Henderson County, Illinois
Henderson County is a county in Illinois. Its county FIPS code is 17071. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 17071
- Representative coordinates
- 40.814471, -90.941246
- County type
- County
- County seat or government
- Oquawka
- Resident population, July 2025
- 5,984
- Land area
- 981.069 km²
- Water area
- 42.566 km²
- State
- Illinois
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Henderson 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
61418 · 61425 · 61437 · 61442 · 61447 · 61450 · 61453 · 61454 · 61460 · 61462 · 61469 · 61471 · 61475 · 61476 · 61478 · 61480 · 62330
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Henderson 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
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.