There were 27,263 households, of which 27% had children under the age of 18 living with them (the lowest percentage in North Dakota), 44.1% were married couples living together, 9.6% had a female householder with no husband present, 3.6% had a male householder with no wife present, and 42.7% were non-families. 34.8% of all households were made up of individuals, and 11.7% 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 2.82.