As of the census2 of 2000, there were 498 people, 249 households, and 164 families residing in the township. The population density was 6.4/km˛ (16.6/mi˛). There were 1,023 housing units at an average density of 13.1/km˛ (34.1/mi˛). The racial makeup of the township was 98.39% White, 0.60% Native American, 0.20% Asian, and 0.80% from two or more races. Hispanic or Latino of any race were 0.40% of the population.
There were 249 households out of which 12.4% had children under the age of 18 living with them, 63.9% were married couples living together, 0.8% had a female householder with no husband present, and 34.1% were non-families. 30.1% of all households were made up of individuals and 15.7% had someone living alone who was 65 years of age or older. The average household size was 2.00 and the average family size was 2.45.
In the township the population was spread out with 13.1% under the age of 18, 2.4% from 18 to 24, 14.1% from 25 to 44, 39.0% from 45 to 64, and 31.5% who were 65 years of age or older. The median age was 57 years. For every 100 females there were 124.3 males. For every 100 females age 18 and over, there were 116.5 males.
The median income for a household in the township was $32,708, and the median income for a family was $40,625. Males had a median income of $35,833 versus $16,563 for females. The per capita income for the township was $21,294. About 2.1% of families and 6.3% of the population were below the poverty line, including none of those under age 18 and 6.1% of those age 65 or over.
