As of the census of 2000, there were 1,670 people, 735 households, and 530 families living in the city. The population density was 15.8 people per square mile (6.1/km2). There were 801 housing units at an average density of 7.6 per square mile (2.9/km2). The racial makeup of the city was 98.86% White, 0.12% African American, 0.30% American Indian, 0.12% Asian, and 0.60% from two or more races. 20.0% were of German, 16.6% Norwegian, 15.1% Finnish, 6.8% Swedish, 5.8% English and 5.2% Irish ancestry.