Fayette County, Illinois
Fayette County is a county in Illinois. Its county FIPS code is 17051. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 17051
- Representative coordinates
- 39.001125, -89.017923
- County type
- County
- County seat or government
- Vandalia
- Resident population, July 2025
- 20,790
- Land area
- 1,855.6 km²
- Water area
- 22.899 km²
- State
- Illinois
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Fayette 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
62011 · 62032 · 62075 · 62080 · 62253 · 62262 · 62411 · 62414 · 62418 · 62422 · 62426 · 62431 · 62458 · 62471 · 62838 · 62854 · 62875 · 62880 · 62885 · 62892
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Fayette County government website ↗ is the next stop for county offices, tax, voting, jury and records information. 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.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
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