At the 2010
census, there were 17,231 people, 6,193 households and 4,168 families residing in the township. The
population density was . There were 6,711 housing units. The racial make-up of the township was 86.1%
White, 6.9%
African American, 0.1%
Native American, 5.1%
Asian, 0.6% from
other races and 1.2% from two or more races.
Hispanic or
Latino of any race were 2.0% of the population. There were 4,168 households, of which 29.4% had children under the age of 18, 59.7% were
married couples living together, 5.3% had a female householder with no husband present and 32.7% were non-families. 28.9% of all households were made up of individuals and 18.3% were individuals living alone 65 years of age or older. The average household size was 2.5 and the average family size was 3.13. 22.1% of the population were under the age of 18, 8.1% from 18 to 24, 22.5% from 25 to 44, 26.5% from 45 to 64 and 20.8% were 65 years of age or older. The median age was 43.4 years. For every 100 females, there were 104.3 males. For every 100 females age 18 and over, there were 105.4 males. The
median household income (2010 inflation-adjusted dollars) was $86,680 and the median family income was $121,389. Males had a median income of $91,470 and females $58,555. The
per capita income was $42,358. About 4.0% of families and 4.8% of the population were below the
poverty line, including 6.8% of those under age 18 and 3.2% of those age 65 or over. ==History==