In 2023, Lake Koshkonong, WI had a population of 983 people with a median age of 56.6 and a median household income of $93,125. Between 2022 and 2023 the population of Lake Koshkonong, WI declined from 995 to 983, a −1.21% decrease and its median household income grew from $87,893 to $93,125, a 5.95% increase.
The 5 largest ethnic groups in Lake Koshkonong, WI are White (Non-Hispanic) (96.7%), Black or African American (Non-Hispanic) (1.32%), Two+ (Non-Hispanic) (1.22%), White (Hispanic) (0.305%), and Asian (Non-Hispanic) (0.203%).
None of the households in Lake Koshkonong, 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.
100% of the residents in Lake Koshkonong, WI are U.S. citizens.
In 2023, the median property value in Lake Koshkonong, WI was $334,300, and the homeownership rate was 90%.
Most people in Lake Koshkonong, WI drove alone to work, and the average commute time was 26.9 minutes. The average car ownership in Lake Koshkonong, WI was 2 cars per household.