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Kewaunee County, Wisconsin facts for kids

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Kewaunee County
Kewaunee County Courthouse
Kewaunee County Courthouse
Map of Wisconsin highlighting Kewaunee County
Location within the U.S. state of Wisconsin
Map of the United States highlighting Wisconsin
Wisconsin's location within the U.S.
Country  United States
State  Wisconsin
Founded 1859
Seat Kewaunee
Largest city Algoma
 • Total 1,084 sq mi (2,810 km2)
 • Land 343 sq mi (890 km2)
 • Water 742 sq mi (1,920 km2)  68%
 • Total 20,574
 • Estimate 
 • Density 18.980/sq mi (7.328/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 8th

Kewaunee County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 20,563. Its county seat is Kewaunee. The county was created in 1852 and organized in 1859. Its Menominee name is Kewāneh, an archaic name for a species of duck. Kewaunee County is part of the Green Bay, WI Metropolitan Statistical Area as well as the Green Bay-Shawano, WI Combined Statistical Area.


According to the U.S. Census Bureau, the county has a total area of 1,084 square miles (2,810 km2), of which 343 square miles (890 km2) is land and 742 square miles (1,920 km2) (68%) is water.

Adjacent counties

Major highways

  • WIS 29.svg Highway 29 (Wisconsin)
  • WIS 42.svg Highway 42 (Wisconsin)
  • WIS 54.svg Highway 54 (Wisconsin)
  • WIS 57.svg Highway 57 (Wisconsin)


Historical population
Census Pop.
1860 5,530
1870 10,128 83.1%
1880 15,807 56.1%
1890 16,153 2.2%
1900 17,212 6.6%
1910 16,784 −2.5%
1920 16,091 −4.1%
1930 16,037 −0.3%
1940 16,680 4.0%
1950 17,366 4.1%
1960 18,282 5.3%
1970 18,961 3.7%
1980 19,539 3.0%
1990 18,878 −3.4%
2000 20,187 6.9%
2010 20,574 1.9%
2020 20,563 −0.1%
U.S. Decennial Census
1790–1960 1900–1990
1990–2000 2010–2020
USA Kewaunee County, Wisconsin age pyramid
2000 Census Age Pyramid for Kewaunee County

Population dynamics

Between April 2010 and January 2019, there were an estimated 1,745 births and 1,605 deaths in the county. The greater number of births served to increase the population by an estimated 140 people. In addition, there were an estimated 68 more people who moved in than left. Combined, this positive net migration along with the natural increase raised the county population by an estimated 208 persons during this period. In 2013, a researcher predicted that in 2030 the county's population would peak then start to decline.


Five-year ACS data from 2012 to 2016 show that an estimated 5.2% of women aged 45–54 in the county had never been married, tying with 19 other counties in having the 697th lowest percentage of never-married women in this age bracket out of 3,130 U.S. counties reporting data. The ACS estimate also found that 76.3% of women aged 35–44 were married, tying with five other counties in having the 360th highest number of married women in this age bracket out of 3,136 counties reporting data, and that the county was tied with seven other counties in having the 552th lowest percentage of births to unmarried women out of 3,021 counties reporting data. 22.8% of births were to unmarried women.

In 2015, the county tied with Sawyer County in having the 13th fewest marriages in the state. It tied with Marquette County in having the 23th fewest divorces out of all 72 Wisconsin counties. May and October tied as the months with the most weddings, with 21 each. In 2016 the county was the 19th-least populous in the state.


In 2010 statistics, the largest religious group in Kewaunee County was the Catholics, with 10,606 adherents worshipping at St. Lawrence Catholic Church in Stangelville and six other parishes, followed by 1,622 WELS Lutherans with three congregations, 1,356 LCMS Lutherans with three congregations, 318 ELCA Lutherans with one congregation, 163 NACCC Congregationalists with one congregation, 155 United Methodists with two congregations, 119 non-denominational Christians with two congregations, 90 Converge Baptists with one congregation, 70 AoG Pentecostals with one congregation, and 27 EC-USA Episcopalians at St Agnes-by-the-Lake in Algoma. Altogether, 70.6% of the population was counted as adherents of a religious congregation. In 2014, Kewaunee County had 15 religious organizations in the county.


Kewaunee County.png




Census-designated places

Unincorporated communities


Major highways

  • WIS 29.svg Highway 29 (Wisconsin)
  • WIS 42.svg Highway 42 (Wisconsin)
  • WIS 54.svg Highway 54 (Wisconsin)
  • WIS 57.svg Highway 57 (Wisconsin)

Rustic road and quilt trail

  • There is one rustic road in the county. A quilt trail along roadside barns was organized in 2009.


  • Watco


  • List of intercity bus stops in Wisconsin


  • The Ahnapee State Trail connects Kewaunee to Sturgeon Bay. The Ice Age Trail coincides with the Kewaunee County portion of the Ahnapee State Trail, and also extends further south along the East Twin River Segment. Winter snowmobile access to trails is dependent on weather and trail grooming.
  • WIS 42 and 57 are part of the Lake Michigan Circle Tour.
  • Riverview ATV Park includes mountain bike trails that are off limits to ATVs. It is open from May to November.


  • The Rio Creek airport (also called Walter's Agri-center Airport) (WI28) is privately owned, but open to the public and includes a campground.
  • The nearest international airport is the Green Bay–Austin Straubel International Airport

Notable people

For lists of notable people from Kewaunee County, see the following articles:

Images for kids

See also

Kids robot.svg In Spanish: Condado de Kewaunee para niños

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