[citation needed] As of the 2010 census, there were 3,079 people, 1,417 households, and 911 families living in the county.

There were 2,822 housing units at an average density of 1.6 per square mile (0.62/km2).

The racial makeup of the county was 97.5% white, 0.4% American Indian, 0.1% black or African American, 0.1% Asian, 0.2% from other races, and 1.7% from two or more races.

In terms of ancestry, 26.2% were German, 20.2% were Irish, 18.8% were English, 13.5% were Norwegian, and 7.9% were American.

Males had a median income of $41,307 versus $23,958 for females.