West Manheim Township, York County, Pennsylvania

According to the United States Census Bureau, the township has a total area of 20.1 square miles (52 km²), of which 19.5 square miles (51 km²) is land and 0.6 square miles (1.6 km²), or 3.23%, is water. The township occupies the southwestern corner of York County, with Adams County to the west and Carroll County, Maryland, to the south. It is bordered on the east by Manheim Township and on the north by Penn Township.

As of the census[5] of 2000, there were 4,865 people, 1,710 households, and 1,441 families living in the township. The population density was 249.8 people per square mile (96.4/km²). There were 1,745 housing units at an average density of 89.6/sq mi (34.6/km²). The racial makeup of the township was 98.07% White, 0.82% African American, 0.06% Native American, 0.39% Asian, 0.02% Pacific Islander, 0.10% from other races, and 0.53% from two or more races. Hispanic or Latino of any race were 0.64% of the population.

There were 1,710 households, out of which 38.1% had children under the age of 18 living with them, 77.5% were married couples living together, 4.3% had a female householder with no husband present, and 15.7% were non-families. 12.6% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.10.

In the township the population was spread out, with 25.8% under the age of 18, 6.6% from 18 to 24, 28.2% from 25 to 44, 28.8% from 45 to 64, and 10.6% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 103.8 males. For every 100 females age 18 and over, there were 101.7 males.

The median income for a household in the township was $57,437, and the median income for a family was $60,014. Males had a median income of $39,209 versus $28,668 for females. The per capita income for the township was $21,670. About 0.8% of families and 1.5% of the population were below the poverty line, including 1.5% of those under age 18 and 2.0% of those age 65 or over.