Largest Counties in Wisconsin

Wisconsin became a state in 1848 and is known for its dairy production and role in the lumber industry. It has 72 counties.

10 Largest Counties in Wisconsin

1. Milwaukee County

County Facts

  • Population: Approximately 960,000
  • Area Codes: 414
  • Zip Codes: 53201-53295
  • County Seat: Milwaukee

Geography and History

Milwaukee County is located in southeastern Wisconsin, along the western shore of Lake Michigan. Established in 1834, it has played a significant role in the development of the state due to its strategic location on the Great Lakes. The county’s geography includes urban areas, lakefronts, and suburban neighborhoods. Milwaukee, the county seat, is the largest city in Wisconsin and has a rich history of industry, particularly brewing and manufacturing. The county’s development has been influenced by its role as a major transportation hub and its diverse immigrant communities, contributing to a vibrant cultural and economic landscape.

Colleges and Universities

  • University of Wisconsin-Milwaukee (UWM): A public research university known for its programs in business, engineering, and arts.
  • Marquette University: A private Catholic university with strong programs in law, business, and health sciences.
  • Milwaukee Area Technical College (MATC): Offers vocational training and academic transfer programs across various fields.

Major Landmarks

Milwaukee County features several significant landmarks. The Milwaukee Art Museum, with its iconic Quadracci Pavilion designed by Santiago Calatrava, is renowned for its collection and architectural design. The Harley-Davidson Museum celebrates the iconic American motorcycle brand with interactive exhibits and historical displays. Milwaukee County Zoo offers a diverse collection of animal species and educational programs. Additionally, the Lakefront area, including the Summerfest Grounds, hosts major cultural and music festivals. The county’s combination of cultural institutions, historic sites, and waterfront attractions makes it a prominent destination.

2. Dane County

County Facts

  • Population: Approximately 600,000
  • Area Codes: 608
  • Zip Codes: 53701-53799
  • County Seat: Madison

Geography and History

Dane County is situated in south-central Wisconsin and is known for its vibrant city of Madison, which serves as the state capital. Established in 1836, the county’s history includes its role as a political and educational center. The county’s geography features a mix of urban areas, lakes, and rolling hills. Madison, the county seat, is home to the University of Wisconsin-Madison and is known for its political significance, cultural institutions, and vibrant arts scene. The county’s development has been influenced by its status as the state capital and its contributions to education and research.

Colleges and Universities

  • University of Wisconsin-Madison (UW-Madison): The flagship public university in the state, renowned for its research programs in science, medicine, engineering, and the humanities.
  • Madison College: Offers a range of community college programs, including vocational training and academic transfer degrees.

Major Landmarks

Dane County features several notable landmarks. The Wisconsin State Capitol in Madison, with its distinctive dome and historical significance, is a key site for state government. The University of Wisconsin-Madison Arboretum offers natural trails and educational programs on local ecosystems. The Henry Vilas Zoo provides a range of animal exhibits and family-friendly activities. Additionally, the Dane County Farmers’ Market, held around the Capitol Square, is one of the largest producers-only markets in the country. The county’s combination of governmental, educational, and recreational attractions makes it a diverse and engaging destination.

3. Waukesha County

County Facts

  • Population: Approximately 440,000
  • Area Codes: 262
  • Zip Codes: 53001-53189
  • County Seat: Waukesha

Geography and History

Waukesha County is located in southeastern Wisconsin, adjacent to Milwaukee County. Established in 1846, the county has a history tied to early settlement and suburban development. The county’s geography features a mix of urban areas, rural landscapes, and numerous lakes and rivers. Waukesha, the county seat, is known for its historical significance and its role as a growing suburban center. The county’s development has been influenced by its proximity to Milwaukee and its role as a residential and commercial hub in the region.

Colleges and Universities

  • Carroll University: A private liberal arts university in Waukesha, known for its programs in health sciences, business, and education.
  • Waukesha County Technical College: Provides vocational training and academic transfer programs across various fields.

Major Landmarks

Waukesha County features several significant landmarks. The Waukesha County Museum offers exhibits on local history and heritage. The Lapham Peak State Park provides opportunities for hiking, picnicking, and enjoying scenic views of the Kettle Moraine landscape. Additionally, the Pewaukee Lake area offers recreational activities such as boating and fishing. The county’s combination of historical sites, natural beauty, and recreational facilities makes it an appealing destination for residents and visitors alike.

4. Brown County

County Facts

  • Population: Approximately 290,000
  • Area Codes: 920
  • Zip Codes: 54301-54344
  • County Seat: Green Bay

Geography and History

Brown County is located in northeastern Wisconsin, along the western shore of Lake Michigan. Established in 1818, the county has a history tied to early settlement, trade, and industry. Green Bay, the county seat, is known for its role as a major port and its significance in the history of the Green Bay Packers, a storied NFL team. The county’s geography includes lakefront areas, forests, and suburban communities. Brown County’s development has been influenced by its role as a transportation and economic center in the region.

Colleges and Universities

  • University of Wisconsin-Green Bay (UW-Green Bay): Offers a range of undergraduate and graduate programs, with strengths in environmental science, business, and arts.
  • Northeast Wisconsin Technical College (NWTC): Provides vocational training and academic transfer programs in various fields.

Major Landmarks

Brown County features several notable landmarks. Lambeau Field, home to the Green Bay Packers, is an iconic stadium with a rich football history. The National Railroad Museum offers exhibits on the history of railroads and their impact on the region. The Green Bay Botanical Garden provides beautifully landscaped gardens and seasonal events. Additionally, the Door County Peninsula, though not within the county, is accessible from Brown County and offers stunning natural landscapes and recreational opportunities. The county’s combination of sports, historical sites, and natural beauty makes it a distinctive and engaging destination.

5. Kenosha County

County Facts

  • Population: Approximately 170,000
  • Area Codes: 262
  • Zip Codes: 53140-53144
  • County Seat: Kenosha

Geography and History

Kenosha County is located in southeastern Wisconsin, along the western shore of Lake Michigan. Established in 1850, the county has a history of industry and transportation, with Kenosha serving as a significant port and manufacturing center. The county’s geography includes lakefront areas, rolling hills, and suburban neighborhoods. Kenosha, the county seat, is known for its historical architecture, museums, and vibrant downtown area. The county’s development has been influenced by its location on the Great Lakes and its role in regional industry and commerce.

Colleges and Universities

  • University of Wisconsin-Parkside: Located in Kenosha, this public university offers a range of undergraduate and graduate programs with strengths in business, arts, and sciences.
  • Gateway Technical College: Provides vocational training and academic transfer programs across various fields.

Major Landmarks

Kenosha County features several notable landmarks. The Kenosha Public Museum offers exhibits on natural history, art, and local history. The Harley-Davidson Museum provides a look at the history of the iconic motorcycle brand with interactive displays. The Kenosha History Center features exhibits on the region’s past, including its industrial and cultural heritage. Additionally, the county’s lakefront parks and recreational areas offer opportunities for outdoor activities and scenic views. The combination of cultural institutions, historical sites, and natural beauty makes Kenosha County a unique destination.

6. Racine County

County Facts

  • Population: Approximately 200,000
  • Area Codes: 262
  • Zip Codes: 53126-53406
  • County Seat: Racine

Geography and History

Racine County is located in southeastern Wisconsin, along Lake Michigan. Established in 1836, the county has a history tied to early settlement and industrial development. Racine, the county seat, has historically been known for its manufacturing and maritime industries. The county’s geography features lakefront areas, rivers, and suburban communities. Racine’s development has been influenced by its role as a significant industrial center and its contributions to regional commerce and culture.

Colleges and Universities

  • Gateway Technical College: Located in Racine, this institution offers vocational training and academic transfer programs.
  • Nearby institutions: Residents also have access to universities in Milwaukee, such as the University of Wisconsin-Milwaukee.

Major Landmarks

Racine County features several significant landmarks. The Racine Art Museum showcases contemporary craft art and is known for its extensive collection. The Wind Point Lighthouse provides a historic maritime landmark with scenic views of Lake Michigan. The Johnson Wax Headquarters, designed by Frank Lloyd Wright, is an architectural gem and an important site for design enthusiasts. Additionally, the county’s lakefront parks and recreational areas offer opportunities for outdoor activities and scenic views. The combination of cultural institutions, historical sites, and natural beauty makes Racine County a notable destination.

7. Walworth County

County Facts

  • Population: Approximately 105,000
  • Area Codes: 262
  • Zip Codes: 53105-53190
  • County Seat: Elkhorn

Geography and History

Walworth County is located in southeastern Wisconsin, near the Illinois border. Established in 1836, the county has a history tied to early settlement and agriculture. Elkhorn, the county seat, is known for its historic architecture and local festivals. The county’s geography includes rolling hills, lakes, and rural landscapes. Walworth County’s development has been influenced by its agricultural heritage and its role as a gateway to recreational areas like Geneva Lake.

Colleges and Universities

  • Gateway Technical College: Offers vocational training and academic transfer programs in Elkhorn and other locations.
  • Nearby institutions: Residents also have access to universities in neighboring areas, including the University of Wisconsin-Whitewater.

Major Landmarks

Walworth County features several notable landmarks. Geneva Lake is a major attraction, known for its scenic beauty and recreational activities such as boating and fishing. The Walworth County Historical Society Museum offers exhibits on local history and heritage. The town of Elkhorn is also known for its charming downtown area and historic buildings. Additionally, the county’s rural landscapes and lakes provide opportunities for outdoor recreation and relaxation. The combination of natural beauty, historical sites, and recreational facilities makes Walworth County an appealing destination.

8. Columbia County

County Facts

  • Population: Approximately 60,000
  • Area Codes: 608
  • Zip Codes: 53901-53955
  • County Seat: Portage

Geography and History

Columbia County is located in south-central Wisconsin, along the Wisconsin River. Established in 1818, the county has a history of agriculture and early settlement. Portage, the county seat, is known for its historical significance and its role as a transportation hub. The county’s geography includes river valleys, rolling hills, and rural landscapes. Columbia County’s development has been influenced by its agricultural heritage and its location along major transportation routes.

Colleges and Universities

  • Nearby institutions: Residents have access to colleges and universities in neighboring areas, such as the University of Wisconsin-Madison.

Major Landmarks

Columbia County features several significant landmarks. The Historic Indian Agency House in Portage provides insights into early settlement and Native American history. The Wollersheim Winery, located near Prairie du Sac, offers tours and tastings in a picturesque setting. Additionally, the county’s natural landscapes along the Wisconsin River provide opportunities for outdoor recreation such as fishing and hiking. The combination of historical sites and natural beauty makes Columbia County a distinctive and engaging destination.

9. Shawano County

County Facts

  • Population: Approximately 41,000
  • Area Codes: 715
  • Zip Codes: 54166-54169
  • County Seat: Shawano

Geography and History

Shawano County is located in northeastern Wisconsin, featuring a mix of forested areas and lakes. Established in 1853, the county’s history includes early settlement and agricultural development. Shawano, the county seat, is known for its historical significance and its role as a center for local commerce. The county’s geography includes natural features such as the Wolf River and several lakes, which have historically influenced its development.

Colleges and Universities

  • Nearby institutions: Residents have access to colleges and universities in neighboring areas, such as the University of Wisconsin-Oshkosh.

Major Landmarks

Shawano County features several notable landmarks. The Shawano County Historical Museum offers exhibits on local history and heritage. The Navarino Nature Center provides opportunities for outdoor activities and environmental education in a scenic setting. Additionally, the county’s natural landscapes along the Wolf River and its lakes offer recreational opportunities such as fishing, boating, and hiking. The combination of historical sites and natural beauty makes Shawano County a noteworthy destination.

10. Outagamie County

County Facts

  • Population: Approximately 200,000
  • Area Codes: 920
  • Zip Codes: 54911-54915
  • County Seat: Appleton

Geography and History

Outagamie County is located in east-central Wisconsin, along the Fox River. Established in 1851, the county has a history tied to early settlement and industrial development. Appleton, the county seat, is known for its role as a regional commercial and cultural center. The county’s geography includes river valleys, urban areas, and rural landscapes. Outagamie County’s development has been influenced by its location along the Fox River and its role in regional commerce and industry.

Colleges and Universities

  • Lawrence University: Located in Appleton, this private liberal arts university is known for its programs in the humanities, sciences, and music.
  • Fox Valley Technical College: Provides vocational training and academic transfer programs across various fields.

Major Landmarks

Outagamie County features several significant landmarks. The Hearthstone Historic House Museum in Appleton is a notable example of early electric lighting technology and offers insights into local history. The Paper Discovery Center highlights the region’s paper industry with interactive exhibits. Additionally, the Fox River provides opportunities for outdoor activities such as boating and fishing. The county’s combination of historical sites, cultural attractions, and natural beauty makes it a distinctive and engaging destination.