The average household size was 2.43 and the average family size was 3.03. The county population contained 24.90% under the age of 18, 5.60% from 18 to 24, 22.10% from 25 to 44, 21.20% from 45 to 64, and 26.20% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 94.90 males. For every 100 females age 18 and over, there were 90.70 males. The median income for a household in the county was $30,026, and the median income for a family was $37,715. Males had a median income of $25,654 versus $18,141 for females. The per capita income for the county was $15,922. About 9.60% of families and 13.00% of the population were below the poverty line, including 18.30% of those under age 18 and 11.30% of those age 65 or over. As of the 2010 United States Census, there were 7,343 people, 2,930 households, and 1,871 families in the county. The population density was . There were 3,351 housing units at an average density of . The racial makeup of the county was 97.4% white, 0.7% American Indian, 0.4% black or African American, 0.2% Asian, 0.5% from other races, and 0.9% from two or more races. Those of Hispanic or Latino origin made up 1.6% of the population. In terms of ancestry, 67.7% were German, 8.7% were Russian, 7.4% were Norwegian, 6.9% were Irish, and 3.6% were American. Of the 2,930 households, 24.6% had children under the age of 18 living with them, 55.6% were married couples living together, 5.0% had a female householder with no husband present, 36.1% were non-families, and 33.4% of all households were made up of individuals. The average household size was 2.22 and the average family size was 2.82. The median age was 46.8 years. The median income for a household in the county was $39,310 and the median income for a family was $52,390. Males had a median income of $35,180 versus $25,417 for females.