According to the United States Census Bureau, the township has a total area of 71.3 square miles (184.6 km²), of which, 70.4 square miles (182.3 km²) of it is land and 0.9 square miles (2.3 km²) of it (1.25%) is water.
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As of the census of 2010, there were 6,956 people, 2,843 households, and 2,066 families residing in the township. The population density was 99.7 people per square mile (38.5/km²). There were 3,054 housing units at an average density of 43.4/sq mi (16.8/km²). The racial makeup of the township was 98.67% White, 0.31% African American, 0.24% Native American, 0.20% Asian, 0.24% from other races, and 0.33% from two or more races. Hispanic or Latino of any race were 0.66% of the population.
There were 2,843 households out of which 31.1% had children under the age of 18 living with them, 59.2% were married couples living together, 9.7% had a female householder with no husband present, and 27.3% were non-families. 24.0% of all households were made up of individuals and 11.4% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.89.
In the township the population was spread out with 24.1% under the age of 18, 7.5% from 18 to 24, 26.2% from 25 to 44, 25.9% from 45 to 64, and 16.2% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 94.2 males. For every 100 females age 18 and over, there were 91.2 males.
The median income for a household in the township was $34,547, and the median income for a family was $40,063. Males had a median income of $31,573 versus $24,750 for females. The per capita income for the township was $16,361. About 10.6% of families and 11.8% of the population were below the poverty line, including 16.2% of those under age 18 and 6.1% of those age 65 or over.