Marion Township, Beaver County, Pennsylvania

Marion Township is a township that is located in Beaver County, Pennsylvania, United States. The population was 800 at the time of the 2020 census.

It is part of the Pittsburgh metropolitan area.

Geography
The township is located in northeastern Beaver County. According to the United States Census Bureau, the township has a total area of 27.2 sqkm, of which 26.6 sqkm is land and 0.6 sqkm, or 2.26%, is water.

Surrounding neighborhoods
Marion Township has five borders, with Franklin Township to the north, New Sewickley Township to the south, North Sewickley Township to the west, and the Butler County neighborhoods of Zelienople to the east and Jackson Township to the southeast.

Demographics
As of the 2000 census, there were 940 people, 361 households, and 264 families residing in the township.

The population density was 91.5 PD/sqmi. There were 388 housing units at an average density of 37.8 /sqmi.

The racial makeup of the township was 98.19% White, 0.64% African American, 0.11% Pacific Islander, and 1.06% from two or more races. Hispanic or Latino of any race were 0.74% of the population.

There were 361 households, out of which 32.4% had children under the age of eighteen living with them; 62.6% were married couples living together, 7.8% had a female householder with no husband present, and 26.6% were non-families. 21.9% of all households were made up of individuals, and about 7% had someone living alone who was sixty-five years of age or older.

The average household size was 2.60 and the average family size was 3.08.

Within the township, the population was spread out, with 24.5% of residents who were under the age of eighteen, 7.9% who were aged eighteen to twenty-four, 31.7% who were aged twenty-five to forty-four, 24.6% who were aged forty-five to sixty-four, and 11.4% who were sixty-five years of age or older. The median age was thirty-nine years.

For every one hundred females there were about 98 males. For every one hundred females who were aged eighteen or older, there were 96.1 males.

The median income for a household in the township was $43,365, and the median income for a family was $50,000. Males had a median income of $34,688 compared with that of $24,327 for females.

The per capita income for the township was $20,808.

Approximately 7.3% of families and 10.0% of the population were living below the poverty line, including 15.7% of those who were under the age of eighteen and 8.5% of those who were aged sixty-five or older.