Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 39.4 yrs |
|---|---|
| Avg HH Size | 2.49 |
| Below Poverty | 13.2% ▲ 32% above avg |
| College Grads | 42.8% ▲ 11% above avg |
| Unemployment | 5.7% ▲ 16% above avg |
| No HS Diploma | 2,047 (1.3%) |
| HS Graduate | 40,943 (25.4%) |
| Some College | 22,909 (14.2%) |
| Associates | 25,917 (16.1%) |
| Bachelors | 18,720 (11.6%) |
| Graduate Degree | 50,768 (31.5%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $72,761 ≈ Avg |
|---|---|
| Median Home Value | $169,924 ▼ 39% below avg |
| Home/Income Ratio | 2.3x (nat avg ~3.5x) |
| Median Rent | $1,052/mo |
| Total Housing Units | 112,778 |
| Vacant Units | 14,018 |
Income Distribution
How People Get to Work
Commute Time
Year Built
St. Clair County is located in Illinois and encompasses 30 ZIP codes spanning 20 cities and communities. The county has an estimated population of 248,247 residents. With a median age of 39.4, it is a middle-aged county.
St. Clair County has a solidly middle-class economic profile. The median household income of $72,761 is near the national average. Unemployment stands at 5.7%, above the national average. The poverty rate of 13.2% is above the national average.
Housing in St. Clair County is an affordable housing market, with a median home value of $169,924 — below the national average. Monthly median rent is approximately $1,052. Homeownership rates are high at 66.9%, reflecting a largely residential, stable population.
The residents of St. Clair County are majority White (59.01%). Educational attainment is well-educated — 42.8% of adults hold a bachelor's degree or higher, near the national average.
St. Clair County, IL is a solidly middle-class area in Illinois. The 30 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.
| ZIP | City | Population | Median Income | Median Home | Median Rent | Unemp. | College |
|---|---|---|---|---|---|---|---|
| 62220 | Belleville | 19,391 | $65,261 | $141,300 | $976 | 6.0% | 39.6% |
| 62221 | Belleville | 29,281 | $78,619 | $207,200 | $1,078 | 2.3% | 48.0% |
| 62223 | Belleville | 16,269 | $69,620 | $149,600 | $1,026 | 6.8% | 45.1% |
| 62226 | Belleville | 28,543 | $66,018 | $162,500 | $946 | 4.6% | 43.7% |
| 62232 | Caseyville | 7,480 | $64,268 | $114,800 | $1,077 | 6.0% | 30.5% |
| 62239 | Dupo | 4,381 | $57,793 | $111,700 | $935 | 4.5% | 27.7% |
| 62240 | East Carondelet | 1,994 | $70,298 | $84,800 | $835 | 17.1% | 15.6% |
| 62201 | East Saint Louis | 5,017 | $21,658 | $56,100 | $350 | 3.5% | 21.5% |
| 62203 | East Saint Louis | 5,539 | $41,134 | $72,700 | $970 | 17.8% | 23.0% |
| 62204 | East Saint Louis | 4,824 | $36,789 | $48,200 | $783 | 18.1% | 17.1% |
| 62205 | East Saint Louis | 5,760 | $41,059 | $46,200 | $1,015 | 25.3% | 26.3% |
| 62206 | East Saint Louis | 13,155 | $39,520 | $57,700 | $1,021 | 6.7% | 19.5% |
| 62207 | East Saint Louis | 6,801 | $29,184 | $54,400 | $803 | 7.0% | 23.1% |
| 62208 | Fairview Heights | 16,653 | $78,423 | $167,900 | $1,222 | 5.9% | 46.6% |
| 62243 | Freeburg | 6,522 | $93,328 | $268,200 | $1,100 | 6.2% | 46.2% |
| 62254 | Lebanon | 6,339 | $89,500 | $196,600 | $1,100 | 0.7% | 51.1% |
| 62255 | Lenzburg | 1,231 | $78,250 | $153,400 | $645 | 4.5% | 21.5% |
| 62059 | Lovejoy | 811 | $37,656 | $37,200 | $950 | 20.6% | 26.7% |
| 62257 | Marissa | 1,960 | $66,848 | $119,200 | $621 | 11.4% | 30.7% |
| 62258 | Mascoutah | 10,292 | $90,417 | $229,500 | $1,231 | 3.4% | 45.5% |
| 62260 | Millstadt | 6,518 | $93,929 | $229,600 | $1,000 | 4.4% | 42.8% |
| 62264 | New Athens | 3,152 | $61,174 | $137,100 | $829 | 3.8% | 29.2% |
| 62269 | O Fallon | 35,536 | $100,167 | $274,200 | $1,258 | 3.1% | 64.1% |
| 62282 | Saint Libory | 620 | $113,167 | $168,800 | $788 | 5.7% | 37.2% |
| 62225 | Scott Air Force Base | 5,606 | $91,988 | — | $1,669 | 0.7% | 57.1% |
| 62285 | Smithton | 4,187 | $118,413 | $265,300 | $859 | 4.5% | 56.3% |
| 62289 | Summerfield | 385 | $48,472 | $73,900 | $815 | 19.8% | 27.1% |