Washington Township, Armstrong County, Pennsylvania

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For other Pennsylvania townships of the same name, see Washington Township, Pennsylvania.
Washington Township,
Armstrong County, Pennsylvania
The Allegheny River Lock and Dam No. 8
Map of Armstrong County, Pennsylvania highlighting Washington Township
Map of Armstrong County, Pennsylvania highlighting Washington Township
Map of Armstrong County, Pennsylvania
Map of Armstrong County, Pennsylvania
Country United States
State Pennsylvania
County Armstrong
Settled 1771
Incorporated 1858
 • Total 23.4 sq mi (60.5 km2)
 • Land 22.5 sq mi (58.2 km2)
 • Water 0.9 sq mi (2.3 km2)
Population (2010)
 • Total 923
 • Density 41/sq mi (15.9/km2)
Time zone Eastern (EST) (UTC-5)
 • Summer (DST) EDT (UTC-4)

Washington Township is a township in Armstrong County, Pennsylvania, United States. The population was 923 at the 2010 census.[1]


The Allegheny River Lock and Dam No. 8 and Allegheny River Lock and Dam No. 9 are listed on the National Register of Historic Places.[2]


Washington Township is located in northern Armstrong County. It is bordered by the Allegheny River to the north and east, and it touches Clarion County along its northernmost edge.

According to the United States Census Bureau, the township has a total area of 23.4 square miles (60.5 km2), of which 22.5 square miles (58.2 km2) is land and 0.89 square miles (2.3 km2), or 3.83%, is water.[1]


As of the census[3] of 2000, there were 2,029 people, 389 households, and 296 families residing in the township. The population density was 46.8 people per square mile (18.1/km²). There were 695 housing units at an average density of 31.6/sq mi (12.2/km²). The racial makeup of the township was 99.42% White, 0.10% African American, 0.29% Pacific Islander, 0.10% from other races, and 0.10% from two or more races. Hispanic or Latino of any race were 0.29% of the population.

There were 389 households out of which 33.2% had children under the age of 18 living with them, 65.3% were married couples living together, 6.4% had a female householder with no husband present, and 23.9% were non-families. 20.6% of all households were made up of individuals and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.65 and the average family size was 3.08.

In the township the population was spread out with 25.6% under the age of 18, 6.8% from 18 to 24, 26.9% from 25 to 44, 26.5% from 45 to 64, and 14.2% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 99.8 males. For every 100 females age 18 and over, there were 101.0 males.

The median income for a household in the township was $26,833, and the median income for a family was $32,313. Males had a median income of $26,000 versus $19,792 for females. The per capita income for the township was $14,977. About 12.3% of families and 13.6% of the population were below the poverty line, including 16.5% of those under age 18 and 9.7% of those age 65 or over.


  1. ^ a b "Geographic Identifiers: 2010 Demographic Profile Data (G001): Washington township, Armstrong County, Pennsylvania". U.S. Census Bureau, American Factfinder. Retrieved August 2, 2013. 
  2. ^ "National Register Information System". National Register of Historic Places. National Park Service. 2010-07-09. 
  3. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

Coordinates: 40°55′33″N 79°32′34″W / 40.92583°N 79.54278°W / 40.92583; -79.54278