100 Richest ZIP Codes in the United States in St. Clair County, Illinois
Explore the 100 ZIP codes with the highest median household income in the United States using U.S. Census data. This page lists ZIP codes located in St. Clair County, Illinois.
| Rank | ZIP Code | City | State | Median Household Income |
|---|---|---|---|---|
| 1 | 62285 | SMITHTON | IL | $120,000 |
| 2 | 62269 | O FALLON | IL | $99,258 |
| 3 | 62260 | MILLSTADT | IL | $93,649 |
| 4 | 62254 | LEBANON | IL | $89,933 |
| 5 | 62258 | MASCOUTAH | IL | $89,519 |
| 6 | 62225 | SCOTT AIR FORCE BASE | IL | $86,650 |
| 7 | 62243 | FREEBURG | IL | $85,389 |
| 8 | 62255 | LENZBURG | IL | $76,622 |
| 9 | 62208 | FAIRVIEW HEIGHTS | IL | $75,538 |
| 10 | 62221 | BELLEVILLE | IL | $75,112 |
| 11 | 62264 | NEW ATHENS | IL | $73,125 |
| 12 | 62223 | BELLEVILLE | IL | $69,170 |
| 13 | 62226 | BELLEVILLE | IL | $66,054 |
| 14 | 62257 | MARISSA | IL | $64,821 |
| 15 | 62220 | BELLEVILLE | IL | $64,277 |
| 16 | 62239 | DUPO | IL | $64,219 |
| 17 | 62232 | CASEYVILLE | IL | $63,053 |
| 18 | 62240 | EAST CARONDELET | IL | $57,014 |
| 19 | 62203 | EAST SAINT LOUIS | IL | $45,221 |
| 20 | 62205 | EAST SAINT LOUIS | IL | $43,371 |
| 21 | 62204 | EAST SAINT LOUIS | IL | $33,730 |
| 22 | 62206 | EAST SAINT LOUIS | IL | $33,067 |
| 23 | 62207 | EAST SAINT LOUIS | IL | $26,155 |
| 24 | 62201 | EAST SAINT LOUIS | IL | $16,916 |