36 ZIP Code Tabulation Areas in Madison County, Illinois. The population-weighted median household income is about $78,764, the median home value about $188,976, and 74.5% of occupied homes are owner-occupied.
- 36
- ZIP codes
- 305K
- Population
- 53
- Data points
Madison County at a glance
- $78,764
- Median household income
- $188,976
- Median home value
- 40.5
- Median age
- 74.5%
- Owner-occupied
- 136,960
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Madison County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 62281 | St. Jacob | 3,059 | 91% | $132,000 |
| 2 | 62294 | Troy | 15,325 | 79.1% | $120,466 |
| 3 | 62216 | Aviston | 3,156 | 83.9% | $120,139 |
| 4 | 62046 | Hamel | 1,102 | 75.6% | $108,036 |
| 5 | 62021 | Prairietown | 871 | 99.7% | $107,454 |
Top 5 Madison County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 62040 | Collinsville | 40,404 | 75% | $60,031 |
| 2 | 62025 | Edwardsville | 35,520 | 73.2% | $100,741 |
| 3 | 62234 | Caseyville | 31,648 | 69.9% | $69,607 |
| 4 | 62002 | Alton | 29,543 | 65.7% | $61,414 |
| 5 | 62249 | Grantfork | 16,205 | 80.7% | $90,424 |
Top 5 Madison County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 62025 | Edwardsville | 35,520 | 73.2% | $100,741 | $988.1M |
| 2 | 62040 | Collinsville | 40,404 | 75% | $60,031 | $774.8M |
| 3 | 62234 | Caseyville | 31,648 | 69.9% | $69,607 | $673.6M |
| 4 | 62294 | Troy | 15,325 | 79.1% | $120,466 | $538.8M |
| 5 | 62249 | Grantfork | 16,205 | 80.7% | $90,424 | $525.7M |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 62024 (Bethalto) at 1,772 people/sq mi. Least dense: 62086 (Sorento) at 27 people/sq mi.
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