43.0 % were German , 10.8 % Norwegian , 8.3 % Swedish , 7.4 % Irish and 5.9 % of Finnish descent according to the 2000 census .
43.0 % were of German , 10.8 % Norwegian , 8.3 % Swedish , 7.4 % Irish and 5.9 % Finnish ancestry according to Census 2000 .