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Where am ILOCATED

Winnebago County, Wisconsin

Winnebago County, Wisconsin, has 174,218 residents (July 2025 estimate). Its county seat is Oshkosh. It uses Central Time and covers 435 sq mi (1,126 km²) of land.

MilwaukeeMadisonGreen Bay
Winnebago County in Wisconsin
Calumet CountyOshkoshNeenahFox Crossing
Winnebago County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
174,218
Land area
435 sq mi (1,126 km²)
County seat or government
Oshkosh
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$74,925 ± $1,498
Median home value
$225,800 ± $3,761
Median rent, with utilities
$965 ± $17
Homes lived in by their owners
65.8% ± 1.1 points
County type
County
Metro or micro area
Oshkosh-Neenah, WI metro areaCentral county
Water area
144 sq mi (373 km²)
State
Wisconsin
County code (FIPS)
55139
Coordinates (central point)
44.085707, -88.668149
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Winnebago County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 5495646,567 people
  2. 5491544,367 people
  3. 5490137,294 people
  4. 5491431,849 people
  5. 5495227,312 people
  6. 5490422,273 people
  7. 5490222,243 people
  8. 5497110,907 people
  9. 549238,793 people
  10. 549637,271 people
  11. 549865,394 people
  12. 549404,533 people
All 18
  1. 549472,323 people
  2. 549792,037 people
  3. 54964974 people
  4. 54927540 people
  5. 54985249 people
  6. 54980218 people

18 ZIP Code areas overlap Winnebago County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Winnebago 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.

Towns in Winnebago County, largest first

  1. Town of Algoma6,850 people
  2. Town of Clayton4,466 people
  3. Town of Neenah3,660 people
  4. Town of Winneconne2,625 people
  5. Town of Oshkosh2,425 people
  6. Town of Black Wolf2,371 people
  7. Town of Vinland2,281 people
  8. Town of Omro2,238 people
  9. Town of Winchester1,757 people
  10. Town of Poygan1,495 people
  11. Town of Rushford1,442 people
  12. Town of Utica1,428 people
All 15
  1. Town of Wolf River1,268 people
  2. Town of Nekimi1,067 people
  3. Town of Nepeuskun645 people

People counts are American Community Survey 2020–2024 5-year estimates. All towns in Wisconsin, by county

School districts in Winnebago County, largest first

  1. Appleton Area School District101,477 people
  2. Oshkosh Area School District79,868 people
  3. Neenah School District47,065 people
  4. Menasha School District25,536 people
  5. New London School District16,715 people
  6. Ripon Area School District10,762 people
  7. Berlin Area School District10,271 people
  8. Winneconne Community School District10,025 people
  9. Omro School District7,826 people
  10. Weyauwega-Fremont School District6,633 people
  11. Rosendale-Brandon School District5,289 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Appleton, Wisconsin (city)75,023 people
  2. Oshkosh, Wisconsin (city)66,729 people
  3. Neenah, Wisconsin (city)27,336 people
  4. Fox Crossing, Wisconsin (village)19,131 people
  5. Menasha, Wisconsin (city)18,273 people
  6. Omro, Wisconsin (city)3,642 people
  7. Winneconne, Wisconsin (village)2,511 people
  8. Butte des Morts, Wisconsin (CDP)1,064 people
  9. Winchester, Wisconsin (CDP)569 people
  10. Waukau, Wisconsin (CDP)325 people
  11. Eureka, Wisconsin (CDP)167 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Calumet County, Wisconsin23 mi east
  2. Fond du Lac County, Wisconsin24 mi south
  3. Outagamie County, Wisconsin25 mi northeast
  4. Green Lake County, Wisconsin26 mi southwest
  5. Waushara County, Wisconsin28 mi west
  6. Waupaca County, Wisconsin31 mi northwest

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 where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.