N'afọ 2000, e nwere mmadụ 16,036 bi na ya, 6,604 bi na ya, na ezinụlọ 4,530 bi na ya. Ọnụ ọgụgụ ndị bi na ya bụ mmadụ 20 kwa square mile (8/km2). E nwere ụlọ obibi 10,814 na nkezi ọnụ ọgụgụ nke 13 kwa square mile (5/km2). Ọdịdị agbụrụ nke ógbè ahụ bụ 97.27% White, 0.17% Black ma ọ bụ African American, 1.01% Native American, 0.19% Asian, 0.02% Pacific Islander, 0.12% site na agbụrụ ndị ọzọ, na 1.22% site na agbụrụ abụọ ma ọ bụ karịa. 0.89% nke ndị bi na ya bụ Hispanic ma ọ bụ Latino nke agbụrụ ọ bụla. 33.9% bụ German, 11.4% Norwegian, 7.0% Irish, 6.2% Swedish, 6.1% English na 5.6% American. Ajụjụ: ole ka ndị Hispanic dị?
0.89% nke