Brown County, Wisconsin
Brown County is a county in Wisconsin. Its county FIPS code is 55009. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 55009
- Representative coordinates
- 44.474024, -87.996130
- County type
- County
- County seat or government
- Green Bay
- Resident population, July 2025
- 275,803
- Land area
- 1,372.941 km²
- Water area
- 221.801 km²
- State
- Wisconsin
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Brown 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
54110 · 54115 · 54126 · 54130 · 54155 · 54162 · 54165 · 54173 · 54180 · 54208 · 54217 · 54229 · 54301 · 54302 · 54303 · 54304 · 54307 · 54311 · 54313
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.
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.