In 2020, Green Lake County, WI had a population of 18.8k people with a median age of 45.6 and a median household income of $57,339. Between 2019 and 2020 the population of Green Lake County, WI grew from 18,755 to 18,807, a 0.277% increase and its median household income grew from $55,075 to $57,339, a 4.11% increase.
The 5 largest ethnic groups in Green Lake County, WI are White (Non-Hispanic) (92%), White (Hispanic) (3.51%), Two+ (Non-Hispanic) (1.37%), Other (Hispanic) (0.952%), and Black or African American (Non-Hispanic) (0.904%).
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% of the residents in Green Lake County, WI are U.S. citizens.
In 2020, the median property value in Green Lake County, WI was $149,600, and the homeownership rate was 76.6%. Most people in Green Lake County, WI drove alone to work, and the average commute time was 25.2 minutes. The average car ownership in Green Lake County, WI was 2 cars per household.