Lake County, South Dakota

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Lake County, South Dakota
Location within the state of South Dakota
Location within the state of South Dakota
CountryUnited States
StateSouth Dakota
SeatMadison
Area
 • Total575 sq mi (1,490 km2)
 • Land563 sq mi (1,460 km2)
 • Water12 sq mi (30 km2)
Population
 (2020)
 • Total12,846
 • Density22/sq mi (8.6/km2)


Lake County is a county located in the U.S. state of South Dakota. Established in 1873, the county was named for the lakes that dot its landscape. The county seat is Madison, which is also the largest city within the county.

Geography[edit | edit source]

Lake County encompasses an area of approximately 575 square miles, of which 563 square miles is land and 12 square miles is water. The county's geography is characterized by its numerous lakes, including the largest, Lake Madison. The terrain varies from flat prairies to rolling hills, typical of the Eastern South Dakota Plains.

Demographics[edit | edit source]

As of the 2020 United States Census, Lake County had a population of 12,846. The demographic composition has seen gradual changes with a mix of urban and rural populations. The county has a diverse economic base, with education, healthcare, and agriculture being the primary sectors.

Economy[edit | edit source]

The economy of Lake County is diverse, with a significant emphasis on education, healthcare, and agriculture. Dakota State University, located in Madison, is a major employer and contributes to the county's educational services. The healthcare sector is supported by local clinics and the Madison Regional Health System. Agriculture remains a vital part of the economy, with corn, soybeans, and dairy farming being predominant.

Education[edit | edit source]

Lake County is served by several school districts, including the Madison Central School District, which offers elementary through high school education. Higher education is primarily provided by Dakota State University, which specializes in computer management, information systems, and other tech-related fields.

Transportation[edit | edit source]

Major highways such as U.S. Route 81 and South Dakota Highway 34 facilitate travel and commerce within the county, connecting Madison with other major cities and states.

Recreation[edit | edit source]

The county offers various recreational opportunities, particularly related to its lakes. Activities such as fishing, boating, and camping are popular among residents and visitors. The county also maintains several parks and recreational facilities, providing spaces for outdoor activities and community events.

Government[edit | edit source]

The government of Lake County operates under a commissioner form of government, where elected officials are responsible for legislative functions such as enacting local ordinances, approving the budget, and overseeing county operations.

See also[edit | edit source]

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Contributors: Prab R. Tumpati, MD