At the 2000 census there were 599 people, 262 households, and 182 families living in the township. The population density was 24.3 people per square mile. There were 685 housing units at an average density of 27.8/sq mi. The racial makeup of the township was 97.33% White, 0.50% African American, 1.00% Native American, 0.50% Asian, and 0.67% from two or more races. Hispanic or Latino of any race were 1.00%. Of the 262 households 27.5% had children under the age of 18 living with them, 57.6% were married couplesliving together, 5.7% had a female householder with no husband present, and 30.5% were non-families. 26.3% of households were one person and 9.5% were one person aged 65 or older. The average household size was 2.29 and the average family size was 2.74. The age distribution was 20.7% under the age of 18, 4.8% from 18 to 24, 26.4% from 25 to 44, 26.4% from 45 to 64, and 21.7% 65 or older. The median age was 44 years. For every 100 females there were 105.1 males. For every 100 females age 18 and over, there were 102.1 males. The median household income was $31,500 and the median family income was $43,500. Males had a median income of $31,071 versus $21,250 for females. The per capita income for the township was $20,974. About 4.4% of families and 6.1% of the population were below the poverty line, including none of those under age 18 and 20.8% of those age 65 or over.
2010 census
At the 2010 census there were 713 people, 308 households, and 217 families living in the township. The population density was 28.9 people per square mile. There were 749 housing units at an average density of 30.4/sq mi. The racial makeup of the township was 97.3% White, 0.6% African American, 0.3% Native American, 0.3% Asian, 0.7% from some other race, and 0.8% from two or more races. Hispanic or Latino of any race were 1.4%. Of the 308 households 25% had children under the age of 18 living with them, 58.4% were married couples living together, 5.8% had a female householder with no husband present, and 29.5% were non-families. 25% of households were one person and 8.7% were one person aged 65 or older. The average household size was 2.31 and the average family size was 2.71. The age distribution was 18% under the age of 18, 61.7% from 18 to 64, and 20.3% 65 or older. The median age was 49 years. The median household income was $58,125 and the median family income was $60,069. Males had a median income of $53,500 versus $37,250 for females. The per capita income for the township was $32,337. About 3% of families and 4.5% of the population were below the poverty line, including 21.1% of those under age 18 and none of those age 65 or over.
