As of the census of 2000, there were 1,584 people, 710 households, and 430 families residing in the township. The population density was 29.0 per square mile (11.2/km2). There were 973 housing units at an average density of 17.8 per square mile (6.9/km2). The racial makeup of the township was 98.93% White, 0.06% Native American, 0.13% Asian, 0.06% from other races, and 0.82% from two or more races. Hispanic or Latino of any race were 0.19% of the population. 44.6% were of Finnish, 8.7% German, 7.4% Italian, 6.9% English and 5.7% French ancestry.