Oneida County, Wisconsin
Oneida County is a county in Wisconsin. Its county FIPS code is 55085. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 55085
- Representative coordinates
- 45.716176, -89.534533
- County type
- County
- County seat or government
- Rhinelander
- Resident population, July 2025
- 38,131
- Land area
- 2,885.106 km²
- Water area
- 317.6 km²
- State
- Wisconsin
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Oneida 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
54428 · 54463 · 54487 · 54501 · 54521 · 54529 · 54531 · 54538 · 54539 · 54548 · 54558 · 54562 · 54564 · 54568
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Oneida 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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Find the county at your current point, check its ZIP area, or find its physical time zone.