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Towns in St. Clair County
26 towns with data in St. Clair County, Illinois, largest first. Find your matches.
Belleville is the largest of the 26 towns we list in St. Clair County, with 41,370 people. Together they have 202,519 people.
| Town | Population | Typical household income | Typical home price |
|---|---|---|---|
| Belleville | 41,370 | $63,535 | $141,300 |
| O'Fallon | 32,262 | $105,982 | $295,700 |
| East St. Louis | 17,999 | $35,700 | $52,600 |
| Cahokia Heights | 17,106 | $33,792 | $56,000 |
| Fairview Heights | 16,745 | $80,930 | $177,700 |
| Swansea | 14,710 | $91,587 | $223,600 |
| Shiloh | 14,572 | $99,573 | $274,000 |
| Mascoutah | 8,816 | $97,375 | $224,900 |
| Freeburg | 4,592 | $92,065 | $241,200 |
| Lebanon | 4,474 | $88,750 | $170,700 |
| Caseyville | 4,130 | $60,669 | $96,800 |
| Millstadt | 4,008 | $90,901 | $230,500 |
| Scott AFB | 3,957 | $103,390 | n/a |
| Dupo | 3,879 | $61,644 | $113,800 |
| Smithton | 3,680 | $135,455 | $256,300 |
| Fairmont City | 2,492 | $48,147 | $71,200 |
| New Athens | 1,933 | $56,553 | $116,300 |
| Washington Park | 1,701 | $38,750 | $37,500 |
| Marissa | 1,232 | $54,814 | $99,500 |
| Brooklyn | 729 | $30,673 | $37,500 |
| St. Libory | 559 | $116,964 | $178,800 |
| Lenzburg | 428 | $42,656 | $77,900 |
| Fayetteville | 357 | $59,583 | $95,200 |
| Sauget | 307 | $62,171 | $51,400 |
| Summerfield | 248 | $51,944 | $75,700 |
| East Carondelet | 233 | $67,500 | $58,600 |
ZIP codes in St. Clair County
27 ZIP codes in St. Clair County, Illinois. A ZIP code can also reach into a neighboring county.
- 62059 Lovejoy
- 62201 East Saint Louis
- 62203 East Saint Louis
- 62204 East Saint Louis
- 62205 East Saint Louis
- 62206 East Saint Louis
- 62207 East Saint Louis
- 62208 Fairview Heights
- 62220 Belleville
- 62221 Belleville
- 62223 Belleville
- 62225 Scott Air Force Base
- 62226 Belleville
- 62232 Caseyville
- 62239 Dupo
- 62240 East Carondelet
- 62243 Freeburg
- 62254 Lebanon
- 62255 Lenzburg
- 62257 Marissa
- 62258 Mascoutah
- 62260 Millstadt
- 62264 New Athens
- 62269 O'Fallon
- 62282 Saint Libory
- 62285 Smithton
- 62289 Summerfield
Nearby counties in Illinois
- Monroe County 6
- Madison County 32
- Clinton County 13
- Randolph County 14
- Washington County 11
- Bond County 7
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