Green Lake County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 19,018. In 2020, the center of population of Wisconsin was located in Green Lake County, near the city of Markesan.
Geography
thumb|left|Government Center
According to the U.S. Census Bureau, the county has a total area of , of which are land and (8.1%) are covered by water. It is the third-smallest county in Wisconsin by total area.
Major highways
- 20px Highway 23 (Wisconsin)
- 20px Highway 44 (Wisconsin)
- 20px Highway 49 (Wisconsin)
- 20px Highway 73 (Wisconsin)
- 20px Highway 91 (Wisconsin)
Railroads
- Union Pacific
- Wisconsin and Southern Railroad
Buses
Adjacent counties
- Waushara County – north
- Winnebago County – northeast
- Fond du Lac County – east
- Dodge County – southeast
- Columbia County – southwest
- Marquette County – west