Madison County, Illinois
Madison County is a county in Illinois. Its county FIPS code is 17119. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 17119
- Representative coordinates
- 38.827120, -89.900227
- County type
- County
- County seat or government
- Edwardsville
- Resident population, July 2025
- 263,110
- Land area
- 1,853.192 km²
- Water area
- 63.157 km²
- State
- Illinois
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Madison County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
62001 · 62002 · 62010 · 62012 · 62018 · 62021 · 62024 · 62025 · 62026 · 62034 · 62035 · 62040 · 62046 · 62048 · 62058 · 62060 · 62061 · 62062 · 62067 · 62074 · 62084 · 62086 · 62087 · 62088 · 62090 · 62095 · 62097 · 62201 · 62216 · 62234 · 62249 · 62254 · 62275 · 62281 · 62293 · 62294
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Alhambra village, IL
- Alton city, IL
- Bethalto village, IL
- Collinsville city, IL
- East Alton village, IL
- Edwardsville city, IL
- Fairmont City village, IL
- Glen Carbon village, IL
- Godfrey village, IL
- Granite City city, IL
- Grantfork village, IL
- Hamel village, IL
- Hartford village, IL
- Highland city, IL
- Holiday Shores CDP, IL
- Livingston village, IL
- Madison city, IL
- Marine village, IL
- Maryville village, IL
- Mitchell CDP, IL
- Moro CDP, IL
- New Douglas village, IL
- Pierron village, IL
- Pontoon Beach village, IL
- Prairietown CDP, IL
- Rosewood Heights CDP, IL
- Roxana village, IL
- St. Jacob village, IL
- South Roxana village, IL
- Troy city, IL
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.