Kewaunee County, Wisconsin

Kewaunee County, Wisconsin, has 20,758 residents (July 2025 estimate). Its county seat is Kewaunee. It uses Central Time and covers 342 sq mi (887 km²) of land.

MilwaukeeMadisonGreen Bay
Kewaunee County in Wisconsin
AlgomaKewauneeLuxemburg
Kewaunee County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
20,758
Land area
342 sq mi (887 km²)
County seat or government
Kewaunee
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$82,725 ± $3,250
Median home value
$222,200 ± $6,881
Median rent, with utilities
$847 ± $48
Homes lived in by their owners
86.5% ± 1.5 points
County type
County
Metro or micro area
Green Bay, WI metro areaOutlying county
Water area
742 sq mi (1,921 km²)
State
Wisconsin
County code (FIPS)
55061
Coordinates (central point)
44.605677, -87.448008

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 Kewaunee 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. 542178,022 people
  2. 542086,231 people
  3. 542166,075 people
  4. 542015,209 people
  5. 542052,229 people
  6. 542131,395 people

6 ZIP Code areas overlap Kewaunee 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

Kewaunee 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 Kewaunee County, largest first

  1. Town of Luxemburg1,572 people
  2. Town of Montpelier1,509 people
  3. Town of Red River1,448 people
  4. Town of West Kewaunee1,300 people
  5. Town of Casco1,102 people
  6. Town of Carlton984 people
  7. Town of Pierce905 people
  8. Town of Franklin843 people
  9. Town of Ahnapee841 people
  10. Town of Lincoln828 people

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

School districts in Kewaunee County, largest first

  1. Luxemburg-Casco School District11,758 people
  2. Denmark School District8,577 people
  3. Kewaunee School District6,667 people
  4. Algoma School District5,060 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. Algoma, Wisconsin (city)3,228 people
  2. Kewaunee, Wisconsin (city)2,806 people
  3. Luxemburg, Wisconsin (village)2,737 people
  4. Casco, Wisconsin (village)561 people
  5. Dyckesville, Wisconsin (CDP)391 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Brown County, Wisconsin28 mi west
  2. Manitowoc County, Wisconsin32 mi south
  3. Door County, Wisconsin39 mi northeast
  4. Benzie County, Michigan60 mi east
  5. Manistee County, Michigan61 mi southeast

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.