As of the
census of 2000, there were 19,169 people, 6,786 households, and 5,374 families residing in the township. The
population density was 570.2 per square mile (220.1/km2). There were 7,179 housing units at an average density of 213.5 per square mile (82.4/km2). The racial makeup of the township was 97.42%
White, 0.30%
African American, 0.46%
Native American, 0.37%
Asian, 0.02%
Pacific Islander, 0.25% from
other races, and 1.17% from two or more races.
Hispanic or
Latino of any race were 1.27% of the population. There were 6,786 households, out of which 41.6% had children under the age of 18 living with them, 65.8% were
married couples living together, 8.9% had a female householder with no husband present, and 20.8% were non-families. 16.8% of all households were made up of individuals, and 5.7% had someone living alone who was 65 years of age or older. The average household size was 2.82 and the average family size was 3.17. The age distribution was as follows:29.0% of the population was under the age of 18, 7.4% from 18 to 24, 31.6% from 25 to 44, 24.7% from 45 to 64, and 7.3% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 101.1 males. For every 100 females age 18 and over, there were 99.3 males. The median income for a household in the township was $62,805, and the median income for a family was $70,286. Males had a median income of $50,944 versus $29,867 for females. The
per capita income for the township was $25,484. About 3.8% of families and 5.8% of the population were below the
poverty line, including 7.7% of those under age 18 and 6.5% of those age 65 or over. ==Education==