In 2023, Green Lake County, WI had a population of 19.2k people with a median age of 45.5 and a median household income of $66,917. Between 2022 and 2023 the population of Green Lake County, WI grew from 19,093 to 19,165, a 0.377% increase and its median household income grew from $66,395 to $66,917, a 0.786% increase.
The 5 largest ethnic groups in Green Lake County, WI are White (Non-Hispanic) (91%), White (Hispanic) (2.17%), Two+ (Non-Hispanic) (1.74%), Two+ (Hispanic) (1.72%), and Other (Hispanic) (1.33%).
None of the households in Green Lake County, WI reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.2% of the residents in Green Lake County, WI are U.S. citizens.
In 2023, the median property value in Green Lake County, WI was $206,300, and the homeownership rate was 75%.
Green Lake County, WI borders Columbia County, WI, Dodge County, WI, Fond du Lac County, WI, Marquette County, WI, Waushara County, WI, and Winnebago County, WI.