According to the United States Census Bureau, the township has a total area of 35.7 square miles (92 km2); 34.6 square miles (90 km2) is land and 1.1 square miles (2.8 km2), or 3.14%, is water.
As of the census[1] of 2000, there were 1,226 people, 403 households, and 326 families residing in the township. The population density was 35.5 inhabitants per square mile (13.7/km2). There were 416 housing units at an average density of 12.0 per square mile (4.6/km2). The racial makeup of the township was 79.04% White, 0.08% African American, 18.84% Native American, 0.41% Asian, 0.08% Pacific Islander, 0.08% from other races, and 1.47% from two or more races. Hispanic or Latino of any race were 0.57% of the population.
There were 403 households, out of which 45.4% had children under the age of 18 living with them, 64.8% were married couples living together, 10.4% had a female householder with no husband present, and 18.9% were non-families. 12.9% of all households were made up of individuals, and 4.0% had someone living alone who was 65 years of age or older. The average household size was 3.04 and the average family size was 3.29.
In the township the population was spread out, with 32.9% under the age of 18, 7.5% from 18 to 24, 30.8% from 25 to 44, 22.4% from 45 to 64, and 6.4% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 105.7 males. For every 100 females age 18 and over, there were 99.8 males.
The median income for a household in the township was $46,944, and the median income for a family was $50,625. Males had a median income of $38,158 versus $22,656 for females. The per capita income for the township was $16,686. About 6.4% of families and 8.2% of the population were below the poverty line, including 11.1% of those under age 18 and none of those age 65 or over.
