Green Lake County, Wisconsin

Green Lake County
Old Green Lake County Courthouse
Map of Wisconsin highlighting Green Lake County
Location within the U.S. state of Wisconsin
Map of the United States highlighting Wisconsin
Wisconsin's location within the U.S.
Coordinates: 43°49′N 89°02′W / 43.81°N 89.04°W / 43.81; -89.04
Country United States
State Wisconsin
Founded1858
Named forGreen Lake
SeatGreen Lake
Largest cityBerlin
Area
 • Total
380 sq mi (1,000 km2)
 • Land349 sq mi (900 km2)
 • Water31 sq mi (80 km2)  8.1%
Population
 • Total
19,018
 • Estimate 
(2023)
19,344 Increase
 • Density54.4/sq mi (21.0/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district6th
Websitewww.co.green-lake.wi.us

Green Lake County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 19,018.[1] Its county seat is Green Lake.[2] In 2020, the center of population of Wisconsin was located in Green Lake County, near the city of Markesan.[3]

  1. ^ a b Cite error: The named reference 2020-census-55047 was invoked but never defined (see the help page).
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ "Centers of Population by State, 2020". United States Census Bureau. Retrieved July 11, 2022.