At the 2000 census there were 611 people in 289 households, including 167 families, in the city. The population density was 703.3 people per square mile (271.2/km). There were 403 housing units at an average density of 463.8 per square mile (178.8/km). The racial makeup of the city was 76.92% White, 0.65% Black or African American, 15.22% Native American, 1.31% from other races, and 5.89% from two or more races. Hispanic or Latino of any race were 0.49%. 10.5% were of American, 10.1% German, 9.4% Norwegian, 8.1% Irish, 7.4% Swedish and 5.4% English ancestry according to Census 2000.