 In the 2000 census 37.7% of the population reported they were of German ancestry, 15.3% of Irish ancestry, 11.4% of British (English, Scottish, Welsh or Scots-Irish) ancestry, 7.8% of Scandinavian ancestry and 5.8% of Dutch ancestry.The median income for a household in the city was $34,159, and the median income for a family was $43,157.Males had a median income of $34,210 versus $20,882 for females.