married couples living together, 9.5% had a female householder with no husband present, 4.0% had a male householder with no wife present, and 44.4% were non-families. 36.9% of all households were made up of individuals, and 13.1% had someone living alone who was 65 years of age or older. The average household size was 2.18 and the average family size was 2.86. The median age was 36.4 years. 22.2% of residents were under the age of 18; 12.8% were between the ages of 18 and 24; 24.1% were from 25 to 44; 24.4% were from 45 to 64; 16.4% were 65 years of age or older. The gender make-up of the city was 47.6% male and 52.4% female. 2000 census At the 2000 census, there were 24,658 people, 10,553 households and 6,184 families residing in the city. The population density was . There were 11,259 housing units at an average density of . The racial make-up of the city was 94.61% White, 0.37% Black or African American, 3.17% Native American, 0.54% Asian, 0.13% Pacific Islander, 0.19% from other races and 0.99% from two or more races. 0.79% of the population were Hispanic or Latino of any race. 53.7% were of German, 15% Norwegian and 8.5% Irish ancestry. There were 10,553 households, of which 27.3% had children under the age of 18 living with them, 47.0% were married couples living together, 8.9% had a female householder with no husband present, and 41.4% were non-families. 34.9% of all households were made up of individuals, and 13.6% had someone living alone who was 65 years of age or older. The average household size was 2.21 and the average family size was 2.86. 21.8% of the population were under the age of 18, 14.1% from 18 to 24, 26.4% from 25 to 44, 20.4% from 45 to 64, and 17.2% were 65 years of age or older. The median age was 36 years. For every 100 females, there were 89.2 males. For every 100 females age 18 and over, there were 85.3 males. The median household income was $33,276 and the median family income was $43,882. Males had a median income of $30,355 and females $20,092. The per capita income was $17,923. About 7.6% of families and 10.5% of the population were below the poverty line, including 10.6% of those under age 18 and 10.1% of those age 65 or over. Religion There are