As of the census of 2000, there were 575 people, 234 households, and 157 families residing in the city. The population density was . There were 260 housing units, at an average density of . The racial makeup of the city was 96.70% White, 0.35% African American, 1.22% Native American, 0.52% Asian, 0.70% from other races, and 0.52% from two or more races. Hispanic or Latino of any race were 1.57% of the population. 32.4% were of German, 17.2% Norwegian, 10.4% American, 7.3% Swedish and 6.0% Irish ancestry.