Mount Joy Township, Lancaster County, Pennsylvania

Mount Joy Township, Lancaster County, Pennsylvania
Township
Mt. Joy Township Forest Fire Co,
Map of Lancaster County highlighting Mount Joy Township
Country	United States
State	Pennsylvania
County	Lancaster
Settled	1735
Incorporated	1759
Government
• Type	Board of Supervisors
Area
• Total	28.0 sq mi (73 km2)
Population (2010)
• Total	9,873
• Density	354.6/sq mi (136.9/km2)
Time zone	Eastern (EST) (UTC-5)
• Summer (DST)	EDT (UTC-4)
Area code(s)	717
Website	Mount Joy Township

Mount Joy Township is a township in northwestern Lancaster County, Pennsylvania, United States. The population was 9,873 at the 2010 census.

According to the United States Census Bureau, the township has a total area of 28.0 square miles (72.4 km²), all of it land.

As of the census of 2010, there were 9,873 people, 3,621 households, and 2,810 families residing in the township. The population density was 354.6 people per square mile. There were 3,768 housing units. The racial makeup of the township was 95.3% White, 1.1% African American, 0.1% Native American, 1.0% Asian, 1.0% from other races, and 1.5% from two or more races. Hispanic or Latino of any race were 2.9% of the population.

There were 3,621 households, out of which 35.0% had children under the age of 18 living with them, 65.5% were married couples living together, 8.4% had a female householder with no husband present, and 22.4% were non-families. 17.4% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.07.

In the township the population was spread out, with 26.0% under the age of 18 and 11.4% who were 65 years of age or older. The median age was 37.4 years.

The Pennsylvania Department of Corrections Training Academy is located in the township.

The township is served by the Elizabethtown Area School District and Donegal School District.