County ProfileIL
Madison County
Population: 265,859 · 28 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
265,859
People
Median age
40.2
Housing
Total households
110,134
Income
Median household income
$75,793
Housing
Total housing units
119,168
Employment
Employment rate
59.7%
Education
Bachelor’s degree or higher
31%
Healthcare
Insured population
95.3%
County details
Local time 01:44:33(CT)| Name | Madison |
|---|---|
| Total ZIP codes | 28total |
| ZIP codes (by type) | 25 Standard2 PO Box1 Unique |
| Area code | 217, 447, 618, 730 |
| Timezone | Central Time (CT) |
| Coordinates | 38.8271195, -89.9002267 |
| Land area | 715.5 sq miles(1,853.2 km²) |
Map of Madison county, Illinois with ZIP codes
Cities and Communities in Madison County
Compare the largest cities in Madison County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Granite City | 27,549 | $59,205 | 1ZIPs |
| Edwardsville | 26,808 | $86,721 | 2ZIPs |
| Alton | 25,676 | $54,568 | 1ZIPs |
| Collinsville | 24,366 | $67,612 | 1ZIPs |
| Godfrey | 17,825 | $94,543 | 1ZIPs |
| Glen Carbon | 13,842 | $97,168 | 1ZIPs |
| Troy | 10,960 | $112,434 | 1ZIPs |
| Wood River | 10,464 | $62,703 | 1ZIPs |
| Highland | 9,991 | $82,551 | 1ZIPs |
| Bethalto | 9,310 | $64,775 | 1ZIPs |
| Maryville | 8,221 | $100,670 | 1ZIPs |
| East Alton | 5,786 | $48,815 | 1ZIPs |
| Cottage Hills | 3,412 | — | 1ZIPs |
| Madison | 3,171 | $49,326 | 1ZIPs |
| South Roxana | 1,891 | $60,214 | 1ZIPs |
| Venice | 1,498 | $32,066 | 1ZIPs |
| Roxana | 1,454 | $64,516 | 1ZIPs |
| Saint Jacob | 1,358 | $112,188 | 1ZIPs |
| Hartford | 1,185 | $41,092 | 1ZIPs |
| Worden | 1,096 | $89,000 | 1ZIPs |
| Dorsey | 1,033 | — | 1ZIPs |
| Hamel | 929 | $109,464 | 1ZIPs |
| Marine | 912 | $76,544 | 1ZIPs |
| Livingston | 763 | $62,240 | 1ZIPs |
| Alhambra | 622 | $73,750 | 1ZIPs |
| Moro | 397 | $133,462 | 1ZIPs |
| New Douglas | 350 | $50,000 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Madison County
Review the most populated postal areas across Madison County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 62040 | Granite City | $60,031 | 40,872 |
| 62025 | Edwardsville | $100,741 | 35,229 |
| 62234 | Collinsville | $69,607 | 31,843 |
| 62002 | Alton | $61,414 | 30,176 |
| 62035 | Godfrey | $93,973 | 16,172 |
| 62249 | Highland | $90,424 | 16,052 |
| 62294 | Troy | $120,466 | 15,431 |
| 62034 | Glen Carbon | $101,260 | 14,665 |
| 62095 | Wood River | $65,013 | 11,060 |
| 62010 | Bethalto | $71,408 | 10,847 |
| 62024 | East Alton | $56,761 | 9,337 |
| 62062 | Maryville | $98,672 | 8,297 |
| 62060 | Madison | $46,563 | 3,865 |
| 62018 | Cottage Hills | $40,438 | 3,412 |
| 62281 | Saint Jacob | $132,000 | 2,912 |
| 62097 | Worden | $91,011 | 2,906 |
| 62067 | Moro | $72,431 | 2,390 |
| 62087 | South Roxana | $60,214 | 1,887 |
| 62061 | Marine | $87,938 | 1,745 |
| 62001 | Alhambra | $98,558 | 1,702 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS