Small towns in Illinois
329 small towns, communities and small cities of 1,000 to 75,000 people, plus 227 smaller suburbs, marked as suburbs. In the parts of Illinois outside metro areas, everyday prices run 12.6% below the U.S. average, and housing 50% below.
Closest to a big city
- Millstadt15 miles to St. Louis
- Alton19 miles to St. Louis
- Smithton21 miles to St. Louis
- Waterloo21 miles to St. Louis
- Freeburg22 miles to St. Louis
Straight-line miles to a metro area of about 1 million people or more.
Lowest home values
Typical value of an owner-occupied home.
Growing fastest
- Wonder Lakeup 40% since 2020
- Hampshireup 21% since 2020
- Cambriaup 17% since 2020
- Manhattanup 15% since 2020
- Watermanup 15% since 2020
College towns
- CarbondaleSouthern Illinois University-Carbondale
- CharlestonEastern Illinois University
- DeKalbNorthern Illinois University
- MacombWestern Illinois University
- NormalIllinois State University
Hospital in town
- AledoGenesis Medical Center, Aledo
- AltonAlton Memorial Hospital
- AnnaDeaconess Illinois Union County
- BentonFranklin Hospital
- BreeseSt. Josephs Hospital
- CantonGraham Hospital Association
- CarbondaleMemorial Hospital of Carbondale
- CarlinvilleCarlinville Area Hospital
Every town in Illinois
Select a column heading to sort. Miles are straight-line. Home values and incomes: Census survey 2020-2024; population: 2025 estimates.
| Town | People | Since 2020 | Typical home | Household income | Miles to a big city | Miles to an ER |
|---|---|---|---|---|---|---|
| Abingdon | 2,832 | -3.9% | $99,600 | $61,653 | 150 | 13 |
| Albers | 1,114 | -1.6% | $210,200 | $109,583 | 34 | 8 |
| Albion | 1,843 | -5.1% | $93,800 | $56,500 | 120 | 16 |
| Aledo | 3,506 | -3.1% | $147,600 | $72,292 | 164 | In town |
| Alsip suburb | 18,483 | -2.8% | $225,000 | $66,585 | 12 | 3 |
| Altamont | 2,186 | -1.4% | $129,800 | $75,510 | 86 | 12 |
| Alton | 25,013 | -2.4% | $103,700 | $54,568 | 19 | In town |
| Amboy | 2,206 | -2.8% | $134,800 | $68,258 | 86 | 11 |
| Andalusia | 1,175 | -1% | $168,000 | $77,222 | 159 | 8 |
| Anna | 4,096 | -4.3% | $134,300 | $33,137 | 98 | In town |
| Antioch suburb | 15,000 | +2.7% | $306,700 | $108,899 | 41 | 12 |
| Arcola | 2,928 | -0.2% | $124,100 | $89,827 | 115 | 14 |
| Arthur | 2,261 | +1.9% | $151,300 | $54,907 | 121 | 19 |
| Ashland | 1,162 | -4.4% | $98,500 | $68,060 | 87 | 17 |
| Assumption | 1,112 | -3.1% | $89,700 | $57,500 | 89 | 10 |
| Athens | 1,883 | -4.2% | $164,000 | $81,192 | 96 | 11 |
| Atlanta | 1,626 | -2.5% | $134,400 | $80,972 | 125 | 11 |
| Atwood | 1,100 | -0.9% | $128,200 | $62,383 | 123 | 19 |
| Auburn | 4,442 | -2.2% | $149,600 | $81,411 | 70 | 17 |
| Aviston | 2,454 | +4.3% | $244,800 | $117,875 | 34 | 5 |
| Bannockburn suburb | 1,308 | -6% | $1,037,200 | $214,000 | 26 | 5 |
| Barrington suburb | 10,586 | -1.1% | $582,500 | $147,989 | 31 | 3 |
| Barrington Hills | 4,086 | -0.3% | $913,600 | $205,074 | 34 | 5 |
| Barry | 1,247 | -3.6% | $92,700 | $76,042 | 85 | 14 |
| Bartonville suburb | 5,804 | -2.1% | $139,100 | $72,821 | 132 | 5 |
| Beach Park suburb | 14,114 | -0.8% | $245,800 | $85,664 | 43 | 3 |
| Beardstown | 5,691 | -3.9% | $82,100 | $60,587 | 95 | 10 |
| Beecher | 4,740 | +0.7% | $269,500 | $103,415 | 34 | 11 |
| Bellevue suburb | 1,888 | +0.8% | $121,300 | $60,987 | 130 | 4 |
| Bellwood suburb | 18,116 | -3.2% | $230,000 | $79,513 | 10 | 2 |
| Bement | 1,462 | -1.3% | $99,300 | $76,250 | 126 | 10 |
| Benld | 1,403 | -4.5% | $82,400 | $47,850 | 40 | 5 |
| Bensenville suburb | 18,525 | -1.2% | $272,000 | $79,515 | 16 | 5 |
| Benton | 6,558 | -2.1% | $87,200 | $54,123 | 84 | In town |
| Berkeley suburb | 5,141 | -3.3% | $246,900 | $85,823 | 12 | 2 |
| Bethalto suburb | 9,202 | -1.1% | $168,900 | $64,775 | 21 | 6 |
| Bethany | 1,200 | -4% | $106,200 | $44,583 | 107 | 16 |
| Big Rock | 1,090 | -1.9% | $337,900 | $162,854 | 44 | 10 |
| Blue Mound | 1,078 | -4.5% | $123,100 | $70,329 | 95 | 13 |
| Boulder Hill suburb | 8,989 | $238,700 | $80,377 | 35 | 4 | |
| Bourbonnais suburb | 17,658 | -2.4% | $253,100 | $81,708 | 46 | 4 |
| Bradley suburb | 15,214 | -1.1% | $173,400 | $67,420 | 47 | 3 |
| Braidwood | 6,259 | +1.1% | $202,500 | $82,202 | 48 | 13 |
| Breese | 4,602 | -1.2% | $229,600 | $85,222 | 39 | In town |
| Bridgeport | 1,652 | -8% | $72,100 | $53,036 | 113 | 4 |
| Bridgeview suburb | 16,521 | -2.6% | $236,400 | $66,655 | 9 | 4 |
| Brighton | 2,162 | -2.4% | $145,000 | $80,214 | 29 | 10 |
| Broadview suburb | 7,871 | -1.3% | $252,200 | $64,697 | 9 | In town |
| Brookfield suburb | 18,879 | -2.9% | $332,400 | $110,295 | 8 | 2 |
| Bull Valley | 1,131 | +0% | $477,900 | $191,250 | 48 | 4 |
| Bunker Hill | 1,593 | -2.3% | $137,500 | $75,917 | 32 | 9 |
| Burnham suburb | 3,919 | -2.8% | $161,300 | $57,790 | 15 | 5 |
| Burr Ridge suburb | 11,179 | +0.1% | $700,400 | $156,829 | 14 | 4 |
| Bushnell | 2,600 | -3.6% | $71,900 | $67,518 | 133 | 11 |
| Byron | 3,777 | -0.2% | $198,700 | $78,852 | 84 | 14 |
| Cahokia Heights suburb | 16,874 | -5.3% | $56,000 | $33,792 | 7 | In town |
| Cairo | 1,515 | -11.8% | $32,000 | $41,912 | 127 | 24 |
| Calumet Park suburb | 6,772 | -3.1% | $184,700 | $53,556 | 12 | 3 |
| Cambria | 1,796 | +16.6% | $143,800 | $57,756 | 85 | 5 |
| Cambridge | 2,020 | -2.8% | $123,100 | $64,979 | 135 | 12 |
| Camp Point | 1,119 | -0.6% | $127,800 | $62,188 | 106 | 19 |
| Campton Hills suburb | 10,894 | +0.3% | $547,500 | $209,134 | 38 | 6 |
| Candlewick Lake suburb | 5,448 | $172,300 | $86,146 | 67 | 9 | |
| Canton | 13,297 | -0.4% | $107,100 | $53,254 | 134 | In town |
| Capron | 1,407 | +1.4% | $160,100 | $90,192 | 60 | 7 |
| Carbon Cliff suburb | 1,810 | -1.7% | $134,600 | $55,536 | 142 | In town |
| Carbondale | 21,811 | -2.1% | $127,900 | $32,128 | 84 | In town |
| Carlinville | 5,465 | -5% | $105,700 | $57,708 | 49 | In town |
| Carlyle | 3,188 | -1.7% | $155,000 | $77,273 | 47 | 8 |
| Carmi | 4,623 | -4.1% | $114,800 | $47,827 | 119 | 20 |
| Carrier Mills | 1,595 | -4.1% | $60,100 | $50,729 | 109 | 6 |
| Carrollton | 2,349 | -5.1% | $114,000 | $60,455 | 46 | In town |
| Carterville | 5,839 | -0.5% | $197,100 | $62,337 | 87 | 4 |
| Carthage | 2,393 | -4.1% | $112,900 | $77,004 | 132 | In town |
| Cary suburb | 17,932 | +0.7% | $309,800 | $113,026 | 39 | 5 |
| Casey | 2,374 | -2.3% | $91,800 | $48,074 | 103 | 20 |
| Caseyville suburb | 4,402 | +0.3% | $96,800 | $60,669 | 11 | 6 |
| Catlin | 1,912 | -3.6% | $124,700 | $72,277 | 85 | 6 |
| Central City | 1,067 | -3.3% | $44,896 | 61 | 2 | |
| Centralia | 11,863 | -2.1% | $89,600 | $47,807 | 61 | In town |
| Cerro Gordo | 1,312 | -0.9% | $109,200 | $77,857 | 118 | 11 |
| Channahon suburb | 14,530 | +7.9% | $327,900 | $119,494 | 41 | 9 |
| Charleston | 17,466 | -0.6% | $137,400 | $49,300 | 110 | 5 |
| Chatham suburb | 14,579 | +1.1% | $243,200 | $106,773 | 78 | 10 |
| Chatsworth | 1,156 | -2.8% | $103,200 | $69,559 | 83 | 17 |
| Chebanse | 1,014 | -3.4% | $161,500 | $65,278 | 59 | 9 |
| Chenoa | 1,705 | -0.6% | $124,700 | $65,769 | 93 | 22 |
| Cherry Valley suburb | 2,887 | +0.2% | $232,800 | $74,655 | 72 | 3 |
| Chester | 6,847 | +0.4% | $111,700 | $80,625 | 54 | In town |
| Chicago Ridge suburb | 14,036 | -2.6% | $226,900 | $68,964 | 10 | 3 |
| Chillicothe suburb | 6,033 | -1.2% | $132,900 | $66,132 | 114 | 12 |
| Chrisman | 1,263 | -2.6% | $79,400 | $58,462 | 81 | 14 |
| Christopher | 2,607 | -2.6% | $66,600 | $48,247 | 79 | 8 |
| Clarendon Hills suburb | 8,681 | -0.1% | $605,800 | $130,388 | 14 | 2 |
| Clifton | 1,298 | -3.6% | $205,400 | $92,344 | 64 | 13 |
| Clinton | 6,781 | -2.7% | $102,800 | $62,323 | 125 | In town |
| Coal City | 5,831 | +2.4% | $201,600 | $72,857 | 49 | 10 |
| Coal Valley suburb | 3,859 | -0.2% | $215,700 | $106,850 | 145 | 4 |
| Cobden | 1,024 | -4.4% | $98,300 | $46,458 | 93 | 5 |
| Colchester | 1,070 | -3.4% | $91,700 | $63,981 | 127 | 7 |
| Colona suburb | 4,938 | -1.7% | $147,500 | $79,700 | 139 | 4 |
| Columbia suburb | 10,865 | -1.6% | $293,000 | $107,606 | 12 | 10 |
| Cortland suburb | 4,676 | +6.4% | $233,200 | $73,971 | 52 | 3 |
| Country Club Hills suburb | 16,215 | -3% | $192,000 | $75,197 | 19 | 3 |
| Countryside suburb | 6,260 | -2.3% | $324,700 | $80,968 | 11 | 2 |
| Crainville | 1,507 | +4.5% | $185,300 | $65,461 | 89 | 3 |
| Crestwood suburb | 10,529 | -2.3% | $195,200 | $75,752 | 14 | 3 |
| Crete suburb | 8,345 | -1.1% | $228,500 | $97,147 | 28 | 6 |
| Creve Coeur suburb | 4,816 | -2.1% | $85,500 | $47,993 | 130 | 4 |
| Cuba | 1,131 | -4% | $63,900 | $42,375 | 128 | 9 |
| Danvers | 1,062 | -2.2% | $166,200 | $88,854 | 119 | 10 |
| Danville | 28,138 | -3.4% | $79,000 | $45,957 | 82 | In town |
| Davis Junction | 2,566 | +2.2% | $205,500 | $107,833 | 75 | 11 |
| De Pue | 1,571 | -3.1% | $59,300 | $58,417 | 91 | 8 |
| De Soto | 1,388 | -1% | $94,700 | $62,813 | 79 | 6 |
| Decatur | 67,884 | -4.7% | $99,600 | $51,592 | 110 | In town |
| Deer Park suburb | 3,647 | -0.9% | $661,300 | $174,458 | 31 | 3 |
| Deerfield suburb | 19,642 | +2.7% | $623,400 | $181,660 | 24 | 6 |
| DeKalb | 40,467 | +0.6% | $204,700 | $46,481 | 55 | In town |
| Delavan | 1,548 | -1.6% | $123,600 | $62,841 | 126 | 8 |
| Diamond | 2,714 | +3.1% | $220,200 | $73,201 | 48 | 11 |
| Divernon | 1,107 | -2.7% | $133,700 | $71,750 | 72 | 16 |
| Dixmoor suburb | 2,951 | -1.9% | 14 | 2 | ||
| Dixon | 14,582 | -5% | $120,800 | $59,406 | 92 | In town |
| Downs | 1,173 | -1.8% | $240,600 | $110,625 | 117 | 7 |
| Du Quoin | 5,569 | -3.7% | $83,100 | $54,409 | 70 | In town |
| Dunlap | 1,588 | -1.3% | $289,600 | $141,552 | 124 | 8 |
| Dupo suburb | 3,766 | -5.4% | $113,800 | $61,644 | 8 | 7 |
| Durand | 1,380 | -0.1% | $135,500 | $65,688 | 82 | 15 |
| Dwight | 4,005 | -0.5% | $155,600 | $71,184 | 64 | 19 |
| Earlville | 1,590 | -1.4% | $142,200 | $63,553 | 66 | 9 |
| East Alton suburb | 5,621 | -2.6% | $106,700 | $48,815 | 19 | 3 |
| East Dubuque suburb | 1,457 | -2.5% | $144,000 | $67,891 | 141 | 3 |
| East Dundee suburb | 3,130 | -2% | $300,000 | $89,583 | 34 | 6 |
| East Hazel Crest suburb | 1,250 | -3% | $158,300 | $54,950 | 18 | 2 |
| East St. Louis suburb | 17,682 | -4.1% | $52,600 | $35,700 | 6 | 3 |
| Edinburg | 1,055 | -2.8% | $117,100 | $89,886 | 84 | 9 |
| Effingham | 12,406 | +0.6% | $177,500 | $72,377 | 97 | In town |
| El Paso | 2,723 | -0.9% | $159,400 | $75,625 | 103 | 13 |
| Elburn | 7,084 | +14.1% | $389,300 | $127,731 | 40 | 6 |
| Eldorado | 3,579 | -4.2% | $66,200 | $37,154 | 113 | In town |
| Elmwood | 2,030 | -1.9% | $153,500 | $90,285 | 139 | 16 |
| Elwood suburb | 2,237 | +0.6% | $237,500 | $86,458 | 37 | 8 |
| Erie | 1,484 | -2.2% | $151,900 | $82,760 | 124 | 12 |
| Eureka | 5,129 | -1.7% | $154,300 | $56,048 | 113 | In town |
| Evergreen Park suburb | 19,283 | -2.9% | $267,500 | $95,719 | 8 | In town |
| Fairbury | 3,597 | -1.1% | $162,200 | $70,962 | 87 | 20 |
| Fairfield | 4,794 | -2% | $88,800 | $41,989 | 103 | In town |
| Fairmont suburb | 2,617 | $182,300 | $70,795 | 27 | 4 | |
| Fairmont City suburb | 2,154 | -4.6% | $71,200 | 8 | 5 | |
| Fairview Heights suburb | 16,175 | -3.1% | $177,700 | $80,930 | 13 | 3 |
| Farmer City | 1,797 | -1.6% | $138,500 | $67,067 | 121 | 14 |
| Farmington | 2,298 | -4% | $101,300 | $65,223 | 143 | 10 |
| Fisher | 2,087 | +1.7% | $190,100 | $97,702 | 111 | 11 |
| Flanagan | 1,022 | -1.4% | $108,900 | $62,083 | 90 | 24 |
| Flora | 4,634 | -3.5% | $77,300 | $47,148 | 96 | In town |
| Flossmoor suburb | 9,358 | -3% | $344,800 | $133,663 | 21 | In town |
| Ford Heights suburb | 1,751 | -3.1% | $66,300 | $36,053 | 23 | 3 |
| Forest Park suburb | 13,829 | -3.1% | $304,700 | $77,221 | 7 | In town |
| Forrest | 1,015 | -2.7% | $113,000 | $73,426 | 84 | 19 |
| Forreston | 1,402 | -2.2% | $129,900 | $70,676 | 99 | 12 |
| Forsyth suburb | 3,613 | -3.2% | $281,000 | $112,000 | 112 | 4 |
| Fox Lake suburb | 10,849 | -1% | $228,100 | $70,819 | 45 | 9 |
| Fox River Grove suburb | 4,881 | +4% | $298,900 | $121,506 | 37 | 5 |
| Frankfort Square suburb | 9,560 | $305,800 | $126,897 | 23 | 5 | |
| Franklin Park suburb | 18,045 | -1.6% | $287,000 | $76,519 | 12 | 3 |
| Freeburg | 4,507 | -2% | $241,200 | $92,065 | 22 | 10 |
| Freeport | 23,202 | -3.2% | $92,100 | $51,723 | 100 | In town |
| Fulton | 3,540 | -2.8% | $121,700 | $45,581 | 127 | In town |
| Gages Lake suburb | 10,819 | $310,500 | $103,318 | 39 | 6 | |
| Galena | 3,210 | -3.2% | $233,200 | $58,689 | 133 | In town |
| Galesburg | 28,581 | -4.6% | $96,400 | $48,297 | 152 | In town |
| Galva | 2,383 | -3% | $83,700 | $52,470 | 130 | 6 |
| Gardner | 1,366 | +0.5% | $199,600 | $88,092 | 55 | 14 |
| Geneseo | 6,505 | -0.5% | $205,400 | $70,147 | 130 | In town |
| Genoa | 5,547 | +4.6% | $225,200 | $82,128 | 55 | 12 |
| Georgetown | 3,006 | -4.3% | $71,800 | $58,182 | 80 | 11 |
| Germantown | 1,379 | +3.8% | $192,500 | $92,083 | 38 | 5 |
| Germantown Hills suburb | 3,436 | +0.3% | $264,900 | $147,341 | 118 | 7 |
| Gibson City | 3,371 | -2.8% | $153,800 | $42,955 | 101 | In town |
| Gilberts suburb | 9,082 | +8.5% | $347,300 | $146,333 | 40 | 4 |
| Gillespie | 3,083 | -2.6% | $91,000 | $82,772 | 41 | 8 |
| Gilman | 1,681 | -3.7% | $120,500 | $70,750 | 76 | 14 |
| Girard | 1,768 | -2.4% | $98,100 | $50,300 | 61 | 13 |
| Glen Carbon suburb | 13,898 | +0.3% | $282,000 | $97,168 | 16 | In town |
| Glencoe suburb | 8,724 | -1.1% | $1,432,500 | $248,933 | 21 | 6 |
| Glenwood suburb | 8,416 | -3% | $198,100 | $77,391 | 21 | 5 |
| Godfrey suburb | 17,620 | -1% | $192,200 | $94,543 | 22 | 5 |
| Goreville | 1,055 | -0.7% | $131,300 | $68,798 | 102 | 13 |
| Grandview suburb | 1,389 | -1.9% | $71,500 | $48,819 | 88 | 2 |
| Grandwood Park suburb | 5,262 | $330,500 | $126,736 | 41 | 8 | |
| Grant Park | 1,271 | -1.1% | $215,800 | $78,385 | 41 | 15 |
| Granville | 1,325 | -2.4% | $142,500 | $70,556 | 89 | 7 |
| Grayslake | 21,140 | -0.4% | $309,500 | $113,972 | 39 | 6 |
| Grayville | 1,483 | -4% | $74,200 | $46,319 | 124 | 17 |
| Green Oaks suburb | 4,082 | -0.7% | $673,100 | $147,614 | 34 | 3 |
| Greenup | 1,330 | -2.3% | $91,900 | $51,417 | 113 | 18 |
| Greenville | 7,469 | +3.3% | $122,000 | $62,089 | 49 | In town |
| Gridley | 1,428 | -1.7% | $141,300 | $67,250 | 98 | 18 |
| Griggsville | 1,047 | -4% | $86,200 | $36,667 | 78 | 8 |
| Hainesville suburb | 3,501 | -1.1% | $210,500 | $129,911 | 40 | 8 |
| Hamilton | 2,624 | -4.4% | $114,100 | $56,895 | 135 | 13 |
| Hampshire | 9,266 | +21.2% | $329,800 | $94,773 | 46 | 10 |
| Hampton suburb | 1,751 | -1.2% | $184,900 | $90,406 | 142 | 4 |
| Hanna City | 1,238 | -1.7% | $123,900 | $73,265 | 136 | 11 |
| Harrisburg | 7,922 | -4% | $84,100 | $43,415 | 111 | In town |
| Harristown suburb | 1,247 | -4.5% | $117,700 | $72,426 | 105 | 6 |
| Hartford suburb | 1,153 | -2.9% | $66,100 | $41,092 | 15 | 7 |
| Harvard | 9,504 | +0.5% | $175,400 | $67,617 | 55 | In town |
| Harvey suburb | 19,849 | -2% | $88,100 | $42,429 | 16 | In town |
| Harwood Heights suburb | 8,761 | -3% | $321,900 | $81,086 | 11 | 2 |
| Havana | 2,799 | -5.1% | $95,300 | $41,184 | 115 | In town |
| Hawthorn Woods suburb | 9,679 | +6.3% | $619,100 | $219,631 | 34 | 4 |
| Hazel Crest suburb | 13,024 | -3% | $185,300 | $68,393 | 18 | 3 |
| Hebron | 1,392 | +0.4% | $208,100 | $85,375 | 48 | 8 |
| Henry | 2,280 | -2.6% | $117,000 | $65,577 | 100 | 18 |
| Herrin | 12,268 | -0.5% | $113,300 | $59,975 | 88 | In town |
| Herscher | 1,486 | -2.3% | $197,600 | $91,667 | 59 | 13 |
| Heyworth | 2,869 | +2.7% | $210,600 | $96,500 | 125 | 12 |
| Hickory Hills suburb | 14,101 | -2.4% | $288,000 | $77,262 | 11 | 5 |
| Highland | 10,042 | -0.3% | $202,900 | $82,551 | 32 | In town |
| Highwood suburb | 5,323 | +4.6% | $405,400 | $107,875 | 26 | 4 |
| Hillcrest | 1,210 | -1.4% | $164,200 | $80,568 | 71 | 3 |
| Hillsboro | 6,184 | +5.3% | $111,700 | $50,158 | 56 | In town |
| Hillside suburb | 8,140 | -1.7% | $246,800 | $72,320 | 11 | 2 |
| Hinckley | 1,996 | -0.1% | $291,700 | $86,823 | 49 | 10 |
| Hinsdale suburb | 17,573 | +1.1% | $1,053,700 | $250,000 or more | 13 | In town |
| Hodgkins suburb | 1,480 | -1.1% | $45,800 | 10 | 3 | |
| Holiday Shores | 2,782 | $245,100 | $86,907 | 26 | 10 | |
| Homer | 1,050 | -2.2% | $146,200 | $85,875 | 98 | 15 |
| Hometown suburb | 4,191 | -3.2% | $173,400 | $61,101 | 8 | In town |
| Homewood suburb | 18,773 | -3.1% | $221,100 | $100,139 | 19 | 3 |
| Hoopeston | 4,676 | -4.5% | $78,100 | $60,861 | 93 | In town |
| Hudson | 1,750 | -0.3% | $224,700 | $110,000 | 109 | 8 |
| Ina | 1,612 | -2.2% | $104,200 | $54,000 | 80 | 10 |
| Indian Head Park suburb | 3,961 | -2.6% | $356,600 | $100,149 | 12 | 3 |
| Ingalls Park suburb | 3,015 | $157,800 | $57,917 | 28 | 3 | |
| Inverness suburb | 7,418 | -2.3% | $715,600 | $207,434 | 29 | 5 |
| Island Lake suburb | 8,047 | +0.1% | $262,500 | $103,156 | 40 | 5 |
| Itasca suburb | 9,488 | -0.8% | $390,800 | $114,294 | 20 | In town |
| Jacksonville | 17,752 | -2.7% | $128,200 | $65,432 | 76 | In town |
| Jerome suburb | 1,627 | -2.8% | $127,800 | $65,189 | 84 | 3 |
| Jerseyville | 8,409 | +1% | $143,900 | $73,529 | 34 | In town |
| Johnsburg suburb | 6,445 | +1.1% | $328,300 | $121,023 | 47 | 5 |
| Johnston City | 3,313 | -1.9% | $88,100 | 91 | 6 | |
| Jonesboro | 1,635 | -4% | $106,400 | $58,500 | 98 | In town |
| Justice suburb | 12,285 | -2.2% | $238,400 | $57,170 | 9 | 4 |
| Kankakee | 23,400 | -2.5% | $104,900 | $47,514 | 52 | In town |
| Kenilworth suburb | 2,437 | -2.8% | $1,560,300 | $250,000 or more | 17 | 2 |
| Kewanee | 12,115 | -2.8% | $73,200 | $50,886 | 123 | In town |
| Kildeer suburb | 4,683 | +14.6% | $770,700 | $250,000 or more | 30 | 4 |
| Kincaid | 1,310 | -2.7% | $88,100 | $64,821 | 79 | 7 |
| Kingston | 1,103 | -0.4% | $241,700 | $88,295 | 58 | 12 |
| Kirkland | 1,632 | -1.1% | $191,600 | $94,338 | 62 | 12 |
| Knoxville | 2,810 | -3% | $145,300 | $82,863 | 149 | 7 |
| La Grange suburb | 15,935 | -2.2% | $594,300 | $159,929 | 10 | In town |
| La Grange Park suburb | 13,453 | -1.8% | $439,800 | $120,408 | 10 | 2 |
| La Harpe | 1,124 | -4% | $86,400 | $49,205 | 140 | 14 |
| Lacon | 1,822 | -2.6% | $121,900 | $63,162 | 105 | 21 |
| Ladd | 1,384 | +9.8% | $129,600 | $67,321 | 85 | 6 |
| Lake Barrington suburb | 5,130 | +0.8% | $475,700 | $141,958 | 36 | 3 |
| Lake Bluff suburb | 5,563 | -0.8% | $776,700 | $204,000 | 32 | In town |
| Lake Forest suburb | 19,731 | +2% | $938,300 | $235,081 | 29 | In town |
| Lake Holiday | 5,641 | $256,400 | $107,875 | 53 | 3 | |
| Lake Villa suburb | 8,692 | -0.4% | $351,700 | $118,750 | 45 | 12 |
| Lake Zurich suburb | 19,868 | +0.4% | $435,300 | $135,968 | 32 | In town |
| Lakemoor suburb | 6,449 | +4.5% | $265,500 | $100,414 | 44 | 4 |
| Lakewood suburb | 4,293 | +0.5% | $552,600 | $173,625 | 45 | 3 |
| Lanark | 1,452 | -3.6% | $96,600 | $59,375 | 112 | 17 |
| LaSalle | 9,388 | -1.8% | $113,500 | $57,732 | 81 | In town |
| Lawrenceville | 4,356 | +4% | $71,300 | $41,005 | 110 | In town |
| Le Roy | 3,465 | -1.5% | $167,600 | $81,875 | 118 | 14 |
| Lebanon suburb | 4,884 | +2.6% | $170,700 | $88,750 | 24 | 7 |
| Leland Grove suburb | 1,401 | -2.9% | $274,300 | $130,833 | 84 | 3 |
| Lemont suburb | 18,513 | +4% | $468,800 | $123,370 | 19 | 5 |
| Lena | 2,670 | -3.2% | $146,000 | $72,663 | 105 | 11 |
| Lewistown | 1,962 | -4% | $102,200 | $54,000 | 122 | 8 |
| Lexington | 2,079 | -0.6% | $172,500 | $99,167 | 100 | 15 |
| Lily Lake suburb | 1,073 | +3.9% | $418,800 | $140,313 | 41 | 8 |
| Limestone suburb | 1,518 | -2.2% | $212,200 | $103,906 | 51 | 4 |
| Lincoln | 12,981 | -2% | $124,300 | $57,340 | 115 | In town |
| Lincolnshire suburb | 7,963 | +0.3% | $677,700 | $185,580 | 28 | 5 |
| Lincolnwood suburb | 13,039 | -2.8% | $496,400 | $109,731 | 12 | 3 |
| Lindenhurst suburb | 14,810 | +3% | $294,100 | $131,474 | 44 | 10 |
| Litchfield | 6,598 | -2.3% | $104,200 | $53,958 | 49 | In town |
| Long Creek suburb | 1,212 | -3.4% | $167,500 | $78,519 | 110 | 5 |
| Long Grove suburb | 8,343 | -0.4% | $804,600 | $250,000 or more | 30 | 6 |
| Long Lake suburb | 3,307 | $220,100 | $104,621 | 43 | 9 | |
| Louisville | 1,108 | -3.5% | $87,100 | $43,750 | 94 | 6 |
| Lovington | 1,010 | -4.9% | $87,400 | $55,556 | 114 | 18 |
| Lynwood suburb | 9,297 | +2.3% | $218,000 | $85,237 | 23 | 2 |
| Lyons suburb | 10,433 | -3.2% | $257,300 | $70,993 | 7 | 2 |
| Mackinaw | 1,851 | -1.3% | $158,300 | $67,292 | 125 | 9 |
| Macomb | 14,530 | -5.4% | $103,300 | $44,411 | 129 | In town |
| Macon | 1,120 | -4.2% | $108,600 | $68,750 | 100 | 9 |
| Madison suburb | 3,063 | -2.6% | $58,900 | $49,326 | 8 | In town |
| Mahomet | 10,516 | +10.8% | $299,100 | $118,586 | 120 | 10 |
| Malta | 1,140 | -0.3% | $180,300 | $80,625 | 61 | 6 |
| Manhattan | 10,943 | +14.9% | $332,600 | $128,522 | 33 | 9 |
| Manito | 1,473 | -4.9% | $112,600 | $71,920 | 126 | 13 |
| Manteno | 9,201 | +0.2% | $248,400 | $97,634 | 42 | 9 |
| Maple Park | 1,523 | +6.3% | $288,400 | $107,045 | 48 | 7 |
| Marengo | 7,737 | +2.4% | $229,900 | $73,523 | 55 | 12 |
| Marion | 17,148 | +1.9% | $158,300 | $56,912 | 94 | 3 |
| Marissa | 1,724 | -5.6% | $99,500 | $54,814 | 37 | 10 |
| Markham suburb | 11,274 | -3% | $135,300 | $57,302 | 16 | In town |
| Maroa | 1,517 | -4% | $126,800 | $72,500 | 119 | 8 |
| Marquette Heights suburb | 2,485 | -2% | $123,800 | $75,625 | 131 | 4 |
| Marseilles | 4,809 | -1.3% | $142,500 | $58,217 | 63 | 13 |
| Marshall | 3,880 | -1.8% | $118,500 | $76,250 | 86 | 14 |
| Martinsville | 1,083 | -2.7% | $69,100 | $61,833 | 97 | 22 |
| Maryville suburb | 8,413 | +1.9% | $261,800 | $100,670 | 16 | In town |
| Mascoutah | 9,239 | +5.2% | $224,900 | $97,375 | 25 | 9 |
| Mason City | 1,956 | -5.4% | $91,100 | $66,524 | 112 | 17 |
| Matteson suburb | 18,543 | -2.5% | $250,600 | $95,457 | 23 | In town |
| Mattoon | 16,667 | -1.1% | $97,700 | $51,597 | 117 | 5 |
| McHenry | 29,217 | +6.7% | $266,500 | $86,315 | 46 | In town |
| McLeansboro | 2,585 | -1.9% | $79,500 | $45,422 | 100 | In town |
| Mendota | 6,894 | -2.1% | $134,100 | $51,632 | 76 | In town |
| Merrionette Park suburb | 1,915 | -2.4% | $173,400 | $56,515 | 11 | 3 |
| Metamora | 3,857 | -0.9% | $201,800 | $129,479 | 113 | 7 |
| Metropolis | 5,727 | -3.6% | $86,000 | $50,399 | 125 | 3 |
| Midlothian suburb | 13,841 | -2.9% | $207,000 | $70,000 | 15 | 4 |
| Milan suburb | 5,028 | -1.3% | $119,300 | $62,597 | 151 | 3 |
| Milford | 1,116 | -3.6% | $74,600 | $46,827 | 84 | 10 |
| Millstadt | 3,950 | -3.3% | $230,500 | $90,901 | 15 | 7 |
| Minier | 1,138 | -1.4% | $148,400 | $88,542 | 129 | 6 |
| Minonk | 1,889 | -1.9% | $120,500 | $69,352 | 95 | 18 |
| Minooka suburb | 12,899 | +1.2% | $315,600 | $115,445 | 41 | 9 |
| Mokena suburb | 19,897 | +0.2% | $401,400 | $123,889 | 23 | 6 |
| Momence | 3,158 | -2.8% | $154,800 | $58,365 | 47 | 11 |
| Monee suburb | 5,119 | +0.1% | $240,500 | $91,969 | 29 | 8 |
| Monmouth | 8,599 | -3.6% | $86,800 | $61,138 | 159 | In town |
| Monticello | 6,080 | +2.2% | $210,500 | $99,449 | 130 | 2 |
| Morris | 14,669 | +3.1% | $247,400 | $76,711 | 50 | In town |
| Morrison | 3,945 | -3% | $118,000 | $69,089 | 117 | In town |
| Morton suburb | 17,565 | +2.3% | $239,400 | $94,402 | 125 | 9 |
| Mount Carmel | 6,723 | -3.7% | $89,300 | $47,009 | 116 | In town |
| Mount Carroll | 1,432 | -3.7% | $86,600 | $58,500 | 119 | 20 |
| Mount Morris | 2,787 | -2.1% | $121,800 | $45,726 | 91 | 14 |
| Mount Olive | 1,936 | -3.8% | $94,100 | $55,625 | 41 | 5 |
| Mount Pulaski | 1,499 | -2.1% | $110,500 | $66,176 | 108 | 12 |
| Mount Sterling | 2,155 | +7.9% | $131,200 | $59,087 | 97 | 14 |
| Mount Vernon | 14,187 | -2.6% | $99,800 | $55,357 | 75 | In town |
| Mount Zion suburb | 5,880 | -2.1% | $201,100 | $103,365 | 108 | 4 |
| Moweaqua | 1,735 | -1.2% | $114,500 | $69,625 | 95 | 15 |
| Murphysboro | 6,977 | -1.4% | $85,900 | $44,154 | 78 | In town |
| Nashville | 3,011 | -2.6% | $156,500 | $63,170 | 50 | In town |
| Neoga | 1,369 | -2.1% | $123,100 | $73,355 | 107 | 15 |
| New Athens | 1,854 | -5% | $116,300 | $56,553 | 30 | 10 |
| New Baden | 3,378 | -1.3% | $172,200 | $81,393 | 30 | 12 |
| New Berlin | 1,361 | -1.3% | $163,400 | $70,179 | 77 | 15 |
| Newton | 2,715 | -2.1% | $95,400 | $61,761 | 115 | 18 |
| Nokomis | 2,133 | -2.2% | $83,900 | $60,326 | 69 | 12 |
| Normal | 53,275 | +0.5% | $213,600 | $64,785 | 114 | In town |
| Norridge suburb | 14,808 | -2.6% | $374,900 | $87,807 | 11 | 2 |
| Norris City | 1,083 | -4.2% | $86,700 | $42,333 | 113 | 13 |
| North Aurora suburb | 19,406 | +6% | $342,100 | $114,305 | 34 | In town |
| North Barrington suburb | 3,125 | -0.3% | $765,900 | $226,055 | 34 | In town |
| North Pekin suburb | 1,447 | -2.2% | $125,600 | $80,224 | 132 | 4 |
| North Riverside suburb | 7,161 | -3.2% | $297,800 | $77,170 | 7 | In town |
| North Utica | 1,334 | +0.9% | $237,500 | $104,028 | 77 | 6 |
| Northfield suburb | 5,632 | -1.9% | $878,300 | $161,500 | 19 | 6 |
| Northlake suburb | 12,462 | -2.9% | $259,800 | $83,892 | 13 | 3 |
| Oak Brook suburb | 8,108 | +0.5% | $903,200 | $175,870 | 14 | In town |
| Oakbrook Terrace suburb | 2,792 | -1% | $372,400 | $76,905 | 15 | 2 |
| Oakwood | 1,274 | -3.5% | $103,000 | $46,293 | 89 | 7 |
| Oakwood Hills suburb | 2,046 | -1.2% | $282,300 | $109,907 | 40 | 5 |
| Oblong | 1,352 | -1.2% | $83,100 | $57,917 | 108 | 9 |
| Oglesby | 3,618 | -2.1% | $139,700 | $76,189 | 81 | 4 |
| Okawville | 1,343 | -1.7% | $160,700 | $84,417 | 40 | 11 |
| Olney | 8,347 | -4% | $99,800 | $59,980 | 117 | In town |
| Olympia Fields suburb | 4,593 | -2.5% | $329,000 | $123,875 | 22 | In town |
| Onarga | 1,305 | -3% | $99,300 | $78,352 | 79 | 15 |
| Oquawka | 1,065 | -5.7% | $92,000 | $53,929 | 163 | 15 |
| Oregon | 3,573 | -1.6% | $142,600 | $71,841 | 86 | 14 |
| Orion | 1,708 | -2.5% | $178,500 | $94,375 | 143 | 10 |
| Orland Hills suburb | 6,663 | -2.9% | $280,300 | $122,039 | 19 | 6 |
| Ottawa | 18,684 | -0.6% | $154,000 | $71,413 | 68 | 16 |
| Palestine | 1,210 | -1.6% | $81,300 | $62,850 | 95 | 7 |
| Palos Heights suburb | 12,084 | -2.7% | $367,100 | $108,740 | 13 | In town |
| Palos Hills suburb | 18,028 | -2.3% | $279,200 | $83,533 | 12 | 3 |
| Palos Park suburb | 4,805 | -1.4% | $464,700 | $121,696 | 14 | In town |
| Pana | 5,010 | -3.2% | $77,900 | $46,168 | 81 | In town |
| Paris | 8,026 | -2.8% | $75,700 | $53,927 | 83 | In town |
| Park City suburb | 7,893 | +0.2% | $60,171 | 37 | 4 | |
| Pawnee | 2,686 | +0.2% | $149,500 | $81,103 | 75 | 15 |
| Paxton | 4,323 | -2.7% | $120,400 | $62,386 | 98 | 14 |
| Pecatonica | 2,052 | -1.3% | $143,900 | $73,162 | 88 | 13 |
| Peoria Heights suburb | 5,767 | -2.1% | $117,700 | $60,099 | 123 | In town |
| Peotone | 4,225 | +1.7% | $271,000 | $108,523 | 35 | 14 |
| Peru | 9,780 | -1.4% | $154,300 | $74,808 | 82 | In town |
| Petersburg | 2,125 | -4% | $177,700 | $56,458 | 98 | 17 |
| Philo | 1,352 | -2.7% | $205,400 | $105,625 | 108 | 9 |
| Phoenix suburb | 1,646 | -3.3% | $96,200 | $30,288 | 16 | 2 |
| Pinckneyville | 4,903 | -3.2% | $133,500 | $69,583 | 63 | In town |
| Pingree Grove suburb | 12,545 | +20.4% | $320,800 | $114,294 | 42 | 5 |
| Pistakee Highlands suburb | 3,374 | $216,800 | $102,986 | 47 | 7 | |
| Pittsfield | 4,041 | -3.1% | $111,400 | $54,643 | 73 | In town |
| Plano suburb | 12,677 | +6.5% | $230,700 | $86,271 | 45 | 5 |
| Polo | 2,235 | -2.1% | $109,600 | $63,080 | 98 | 11 |
| Pontiac | 10,806 | -3.5% | $116,300 | $61,279 | 82 | 32 |
| Pontoon Beach suburb | 5,887 | +0.4% | $145,100 | $62,861 | 12 | 5 |
| Poplar Grove | 5,206 | +2.9% | $270,700 | $120,278 | 66 | 10 |
| Port Barrington suburb | 1,584 | -0.1% | $379,600 | $149,886 | 38 | 5 |
| Port Byron suburb | 1,638 | -1.4% | $278,200 | $111,667 | 137 | 10 |
| Posen suburb | 5,405 | -3% | $172,900 | $73,051 | 14 | 2 |
| Prairie Grove suburb | 1,939 | -0.8% | $467,600 | $141,389 | 43 | 3 |
| Princeton | 7,674 | -2.2% | $134,700 | $61,946 | 97 | In town |
| Princeville | 1,713 | -0.9% | $168,100 | $76,250 | 124 | 15 |
| Prophetstown | 1,887 | -2.8% | $116,600 | $65,125 | 117 | 10 |
| Prospect Heights suburb | 15,552 | -2.7% | $346,500 | $85,008 | 22 | 4 |
| Quincy | 38,918 | -1.6% | $153,200 | $56,480 | 108 | In town |
| Rantoul | 11,991 | -2.7% | $118,200 | $48,691 | 109 | 13 |
| Red Bud | 3,761 | -0.7% | $171,000 | $71,850 | 32 | In town |
| Richmond | 2,114 | +1.5% | $238,600 | $73,029 | 45 | 10 |
| Richton Park suburb | 12,483 | -2% | $220,900 | $64,554 | 25 | 3 |
| Ridgewood suburb | 2,795 | $161,300 | $92,500 | 28 | 3 | |
| River Forest suburb | 11,393 | -6.8% | $687,300 | $146,786 | 8 | In town |
| River Grove suburb | 10,409 | -1.5% | $241,800 | $69,858 | 10 | In town |
| Riverdale suburb | 10,280 | -3.2% | $113,800 | $39,833 | 14 | 3 |
| Riverside suburb | 8,939 | -3.5% | $491,400 | $153,686 | 7 | In town |
| Riverton suburb | 3,471 | -2.2% | $152,200 | $80,920 | 92 | 6 |
| Riverwoods suburb | 3,766 | -0.5% | $800,700 | $249,205 | 26 | 6 |
| Roanoke | 1,918 | -1.9% | $139,900 | $82,063 | 106 | 7 |
| Robbins suburb | 4,588 | -0.8% | $121,300 | $40,668 | 13 | 4 |
| Robinson | 7,283 | +2.1% | $109,100 | $73,993 | 100 | In town |
| Rochelle | 9,498 | +0.3% | $164,300 | $66,307 | 71 | In town |
| Rochester suburb | 4,093 | +6% | $238,900 | $117,118 | 86 | 8 |
| Rock Falls | 8,521 | -2.8% | $83,900 | $49,600 | 104 | 2 |
| Rockdale suburb | 1,969 | -1.6% | $188,300 | $59,135 | 32 | 2 |
| Rockton suburb | 7,870 | +0.1% | $235,400 | $119,058 | 70 | 7 |
| Roodhouse | 1,484 | -5% | $68,600 | $52,604 | 59 | 13 |
| Roscoe suburb | 11,034 | +0.3% | $227,800 | $93,036 | 69 | 8 |
| Rosemont suburb | 3,815 | -3.1% | $344,900 | $63,517 | 14 | 2 |
| Rosewood Heights suburb | 4,229 | $137,300 | $72,102 | 20 | 5 | |
| Rossville | 1,170 | -4.5% | $92,200 | $62,417 | 91 | 5 |
| Round Lake suburb | 18,526 | -0.9% | $278,600 | $111,977 | 41 | 9 |
| Round Lake Beach | 26,902 | -1.1% | $199,200 | $86,059 | 43 | 10 |
| Round Lake Heights suburb | 2,580 | -1.3% | $216,800 | $78,986 | 44 | 10 |
| Round Lake Park suburb | 7,844 | +2.4% | $164,900 | $55,813 | 40 | 8 |
| Roxana suburb | 1,395 | -2.9% | $95,400 | $64,516 | 17 | 8 |
| Royalton | 1,031 | -2.5% | $71,500 | $59,219 | 81 | 7 |
| Rushville | 2,857 | -3.5% | $94,700 | $57,583 | 104 | In town |
| Salem | 7,035 | -3.3% | $106,100 | $59,728 | 69 | In town |
| Sandoval | 1,123 | -3.3% | $59,100 | $52,841 | 61 | 6 |
| Sandwich suburb | 7,380 | +2.3% | $255,700 | $80,768 | 50 | In town |
| Sauk Village suburb | 9,624 | -2.7% | $110,800 | $69,973 | 25 | 3 |
| Savanna | 2,699 | -3.6% | $72,400 | $48,036 | 127 | 16 |
| Savoy suburb | 9,113 | +2.8% | $320,300 | $91,966 | 113 | 4 |
| Schiller Park suburb | 11,317 | -3% | $275,000 | $69,696 | 13 | 4 |
| Seneca | 2,310 | -1.6% | $227,500 | $86,830 | 61 | 11 |
| Sesser | 1,888 | -0.3% | $82,300 | $52,604 | 75 | 9 |
| Shelbyville | 4,537 | -2.2% | $116,400 | $52,470 | 94 | In town |
| Sheridan | 2,094 | -13.1% | $186,400 | $85,250 | 56 | 8 |
| Sherman suburb | 4,644 | -0.6% | $297,800 | $148,906 | 93 | 6 |
| Shiloh suburb | 14,604 | +3.6% | $274,000 | $99,573 | 19 | In town |
| Shorewood suburb | 18,536 | +2% | $337,800 | $122,105 | 35 | 4 |
| Sidney | 1,167 | -2.9% | $197,600 | $88,618 | 104 | 10 |
| Silvis suburb | 7,979 | +0% | $161,600 | $62,375 | 143 | In town |
| Sleepy Hollow suburb | 3,122 | -2.3% | $382,800 | $149,813 | 37 | 3 |
| Smithton | 3,868 | -3.4% | $256,300 | $135,455 | 21 | 9 |
| Somonauk | 1,770 | -1.2% | $234,400 | $84,583 | 54 | 3 |
| South Barrington suburb | 5,071 | +0.1% | $908,300 | $221,575 | 30 | 3 |
| South Beloit suburb | 7,996 | +0.3% | $173,000 | $78,616 | 67 | 4 |
| South Chicago Heights suburb | 3,884 | -2.9% | $149,300 | $58,691 | 25 | 5 |
| South Jacksonville | 3,195 | -3% | $135,800 | $49,587 | 74 | 4 |
| South Roxana suburb | 1,849 | -2.1% | $88,700 | $60,214 | 16 | 8 |
| Southern View suburb | 1,540 | -2.8% | $105,300 | $57,270 | 84 | 4 |
| Sparta | 4,022 | -1.4% | $111,200 | $52,188 | 44 | In town |
| Spring Grove suburb | 5,526 | +1% | $398,400 | $134,210 | 45 | 9 |
| Spring Valley | 5,408 | -2.9% | $153,300 | $70,598 | 85 | 3 |
| St. Anne | 1,122 | -3.2% | $154,900 | $83,077 | 56 | 11 |
| St. Elmo | 1,213 | -2.8% | $82,600 | $45,294 | 80 | 14 |
| St. Jacob | 1,371 | -0.6% | $201,000 | $112,188 | 27 | 6 |
| St. Joseph | 3,689 | -2.8% | $270,900 | $120,789 | 103 | 10 |
| Staunton | 4,932 | -2.2% | $143,500 | $57,904 | 36 | In town |
| Steeleville | 1,883 | -1.8% | $158,500 | $60,313 | 54 | 8 |
| Steger suburb | 9,352 | -2.4% | $156,700 | $66,575 | 25 | 5 |
| Sterling | 14,394 | -3% | $108,700 | $57,350 | 104 | In town |
| Stickney suburb | 6,897 | -2.8% | $244,900 | $66,942 | 5 | In town |
| Stillman Valley | 1,058 | -1.4% | $175,800 | $87,833 | 79 | 12 |
| Stockton | 1,669 | -3.6% | $93,700 | $46,934 | 114 | 19 |
| Stone Park suburb | 4,477 | -2% | $242,100 | $67,224 | 11 | 2 |
| Streator | 12,190 | -2.2% | $94,700 | $57,609 | 77 | 21 |
| Sugar Grove suburb | 9,381 | +0.7% | $401,900 | $121,207 | 39 | 6 |
| Sullivan | 4,310 | -2% | $102,500 | $63,229 | 110 | 17 |
| Summit suburb | 10,753 | -3.3% | $232,600 | $61,863 | 7 | 3 |
| Sumner | 1,656 | -37.1% | $46,000 | $55,625 | 118 | 9 |
| Swansea suburb | 14,356 | +0.1% | $223,600 | $91,587 | 15 | In town |
| Sycamore suburb | 19,083 | +2.3% | $265,700 | $84,120 | 52 | 6 |
| Taylorville | 10,522 | +0.3% | $104,100 | $57,552 | 81 | In town |
| Teutopolis | 1,721 | +5.8% | $247,700 | $115,938 | 101 | 4 |
| Third Lake suburb | 1,103 | -1.1% | $361,500 | $150,139 | 40 | 7 |
| Thomasboro | 1,003 | -2.7% | $111,800 | $64,038 | 113 | 9 |
| Thomson | 1,606 | -0.4% | $117,000 | $61,250 | 125 | 9 |
| Thornton suburb | 2,299 | -3.4% | $155,100 | $59,647 | 18 | 3 |
| Tilton | 2,537 | -4% | $70,400 | $55,697 | 82 | 3 |
| Toledo | 1,140 | -2% | $86,100 | $56,354 | 116 | 15 |
| Tolono | 3,499 | -2.3% | $208,600 | $69,653 | 113 | 9 |
| Toluca | 1,310 | -2.3% | $113,500 | $69,545 | 95 | 21 |
| Toulon | 1,172 | -1% | $95,500 | $59,167 | 124 | 10 |
| Tower Lakes suburb | 1,201 | -1.7% | $510,300 | $154,167 | 36 | 3 |
| Tremont | 2,243 | -1.1% | $187,400 | $79,810 | 130 | 8 |
| Trenton | 2,643 | -1.4% | $178,200 | $80,795 | 30 | 9 |
| Troy suburb | 11,893 | +4% | $268,000 | $112,434 | 20 | 3 |
| Tuscola | 4,668 | +0.6% | $154,300 | $78,179 | 113 | 21 |
| University Park suburb | 7,019 | -1.6% | $153,200 | $73,844 | 27 | 5 |
| Valmeyer | 1,204 | -1.7% | $223,200 | $94,821 | 23 | 7 |
| Vandalia | 7,108 | -4.4% | $98,500 | $45,469 | 65 | In town |
| Venice suburb | 1,450 | -2.7% | $54,000 | $32,066 | 5 | 2 |
| Vienna | 1,352 | -0.1% | $81,300 | $40,750 | 112 | 19 |
| Villa Grove | 2,447 | -1.2% | $125,700 | $70,647 | 107 | 18 |
| Virden | 3,149 | -2.4% | $101,300 | $80,577 | 65 | 17 |
| Virginia | 1,442 | -4.4% | $93,100 | $59,375 | 91 | 15 |
| Volo suburb | 6,805 | +9.9% | $319,700 | $160,792 | 42 | 6 |
| Wadsworth suburb | 3,488 | -0.6% | $378,900 | $142,738 | 42 | 5 |
| Walnut | 1,267 | -3.1% | $102,100 | $61,750 | 100 | 15 |
| Warren | 1,275 | -4.1% | $102,200 | $75,813 | 110 | 14 |
| Warrensburg | 1,068 | -3.9% | $145,400 | $81,719 | 110 | 7 |
| Warrenville suburb | 15,211 | +11% | $286,100 | $100,321 | 26 | 4 |
| Warsaw | 1,436 | -4.6% | $96,100 | $58,750 | 134 | 17 |
| Washburn | 1,008 | -2.4% | $89,100 | $76,667 | 105 | 14 |
| Washington suburb | 15,902 | -1% | $221,900 | $95,179 | 120 | 8 |
| Washington Park suburb | 2,461 | -4.3% | $37,500 | $38,750 | 8 | 4 |
| Waterloo | 11,132 | +1.3% | $249,500 | $98,711 | 21 | 12 |
| Waterman | 1,640 | +14.6% | $217,300 | $100,139 | 56 | 11 |
| Watseka | 4,510 | -3.5% | $103,700 | $43,608 | 73 | In town |
| Wauconda suburb | 13,993 | -0.5% | $278,600 | $111,239 | 38 | 6 |
| Waverly | 1,142 | -3.8% | $98,400 | $55,671 | 68 | 19 |
| Wayne suburb | 2,278 | +0.1% | $642,700 | $161,719 | 30 | 6 |
| West Dundee suburb | 8,570 | +8.1% | $360,800 | $105,368 | 38 | 3 |
| West Frankfort | 7,105 | -2.1% | $81,200 | $47,898 | 88 | 8 |
| West Peoria suburb | 4,187 | -1.8% | $93,900 | $66,098 | 128 | 2 |
| Westchester suburb | 16,300 | -3.1% | $327,300 | $98,954 | 11 | 2 |
| Western Springs suburb | 13,588 | 0% | $739,400 | $230,255 | 11 | In town |
| Westville | 3,029 | -4.4% | $100,000 | $54,912 | 81 | 6 |
| White Hall | 2,159 | -5% | $63,800 | $55,054 | 56 | 10 |
| Williamsville suburb | 1,437 | -0.1% | $199,300 | $106,731 | 99 | 12 |
| Willow Springs suburb | 5,788 | -1.1% | $378,300 | $103,583 | 12 | 5 |
| Willowbrook suburb | 9,126 | -0.9% | $358,600 | $99,239 | 14 | 3 |
| Wilmington | 5,614 | -0.5% | $223,800 | $66,154 | 43 | 14 |
| Winchester | 1,502 | -4.3% | $93,900 | $48,250 | 70 | 13 |
| Windsor | 1,035 | -3% | $105,400 | $63,359 | 104 | 12 |
| Winfield suburb | 10,146 | +3.3% | $386,300 | $135,795 | 24 | In town |
| Winnebago | 2,903 | -0.7% | $194,000 | $92,614 | 85 | 7 |
| Winnetka suburb | 12,518 | -1.5% | $1,337,800 | $250,000 or more | 19 | 4 |
| Winthrop Harbor suburb | 6,525 | -0.8% | $250,800 | $95,690 | 41 | 2 |
| Wonder Lake | 5,593 | +39.7% | $252,200 | $94,655 | 50 | 5 |
| Wood Dale suburb | 14,081 | -1% | $318,900 | $91,382 | 18 | 3 |
| Wood River suburb | 10,224 | -2% | $108,100 | $62,703 | 18 | 5 |
| Woodstock | 25,740 | +0.4% | $245,700 | $82,758 | 50 | 7 |
| Worden | 1,066 | -2.5% | $146,600 | $89,000 | 30 | 6 |
| Worth suburb | 10,696 | -2.1% | $215,000 | $56,288 | 12 | 2 |
| Wyoming | 1,287 | -0.7% | $109,500 | $60,238 | 121 | 14 |
| Zeigler | 1,456 | -1.7% | $57,300 | $41,553 | 82 | 7 |
Big city: a metro area of about 1 million people or more. ER: the nearest hospital with an emergency room. Sources: U.S. Census Bureau, BEA, Medicare.