As of the 2010 census, the township was 95.0% White, 1.1% Black or African American, 0.2% Native American, 1.4% Asian, and 0.9% were two or more races. 1.4% of the population were of Hispanic or Latino ancestry. As of the
census of 2000, there were 4,233 people, 1,636 households, and 1,146 families residing in the township. The population density was . There were 1,701 housing units at an average density of . The racial makeup of the township was 98.23%
White, 0.54%
African American, 0.14%
Native American, 0.47%
Asian, 0.14% from
other races, and 0.47% from two or more races.
Hispanic or
Latino of any race were 0.59% of the population. There were 1,636 households, out of which 26.2% had children under the age of 18 living with them, 60.3% were
married couples living together, 6.1% had a female householder with no husband present, and 29.9% were non-families. 25.7% of all households were made up of individuals, and 15.8% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.97. In the township the population was spread out, with 20.9% under the age of 18, 6.5% from 18 to 24, 25.9% from 25 to 44, 25.3% from 45 to 64, and 21.3% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 94.0 males. For every 100 females age 18 and over, there were 92.3 males. The median income for a household in the township was $50,948, and the median income for a family was $63,871. Males had a median income of $44,063 versus $30,306 for females. The
per capita income for the township was $25,026. About 1.7% of families and 4.7% of the population were below the
poverty line, including none of those under age 18 and 11.0% of those age 65 or over. ==Climate==