In 2018, Marinette County, WI had a population of 40.5k people with a median age of 48.3 and a median household income of $47,497. Between 2017 and 2018 the population of Marinette County, WI declined from 40,712 to 40,537, a -0.43% decrease and its median household income grew from $44,958 to $47,497, a 5.65% increase.
The 5 largest ethnic groups in Marinette County, WI are White (Non-Hispanic) (95.4%), Two+ (Non-Hispanic) (1.3%), White (Hispanic) (1.22%), Black or African American (Non-Hispanic) (0.701%), and American Indian & Alaska Native (Non-Hispanic) (0.456%). 0% of the people in Marinette County, WI speak a non-English language, and 99.5% are U.S. citizens.
In 2018, the median property value in Marinette County, WI was $117,100, and the homeownership rate was 74.7%. Most people in Marinette County, WI drove alone to work, and the average commute time was 19.6 minutes. The average car ownership in Marinette County, WI was 2 cars per household.