In 2019, Grant County, WI had a population of 51.7k people with a median age of 36 and a median household income of $54,800. Between 2018 and 2019 the population of Grant County, WI declined from 51,828 to 51,733, a −0.183% decrease and its median household income grew from $52,958 to $54,800, a 3.48% increase.
The 5 largest ethnic groups in Grant County, WI are White (Non-Hispanic) (95%), Black or African American (Non-Hispanic) (1.48%), White (Hispanic) (1.41%), Asian (Non-Hispanic) (0.974%), and Two+ (Non-Hispanic) (0.655%). 0% of the households in Grant County, WI speak a non-English language at home as their primary language, and 99% of the residents in Grant County, WI are U.S. citizens.
In 2019, the median property value in Grant County, WI was $147,700, and the homeownership rate was 70.4%. Most people in Grant County, WI drove alone to work, and the average commute time was 19.6 minutes. The average car ownership in Grant County, WI was 2 cars per household.