File:Lake_County_Courthouse,_Madison,_SD.jpg · Wikimedia Commons · See Wikimedia Commons
Lake County
Sign in to saveAlso known as Lake County, South Dakota, Lake County, SD
county in South Dakota, United States
Key facts
- Country
- United States
- State
- South Dakota
- Seat
- Madison
- Largest city
- Madison
- Total
- 575 sq mi (1,490 km )
- Land
- 563 sq mi (1,460 km )
- Water
- 12 sq mi (31 km ) 2.1%
- Estimate 2025
- 10,993
- Density
- 19.5/sq mi (7.5/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- At-large
- Website
- www .lake .sd .gov
via Wikipedia infobox
~6 min read
Encyclopedic overview
Lake County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 11,059. Its county seat is Madison. The county was formed in 1873.
History
Excerpted from Wikipedia’s “Lake County” article, available under the CC BY-SA 4.0 licence.