|• Total||18.90 sq mi (48.94 km2)|
|• Land||18.75 sq mi (48.56 km2)|
|• Water||0.15 sq mi (0.39 km2)|
|Elevation||692 ft (211 m)|
| • Estimate |
|• Density||135.49/sq mi (52.31/km2)|
|Time zone||UTC-5 (EST)|
|• Summer (DST)||UTC-4 (EDT)|
The township's history includes several notable names William Penn, Benjamin Franklin, and George Washington. Warwick Township was also instrumental in the Revolutionary War. Some of the iron furnaces such as Van Leer Furnace produced cannon and shot for the war against the British. Today the land still remains undisturbed and the history preserved.
The Hockley Mill Farm, Hopewell Furnace National Historic Site, John Knauer House and Mill, Lahr Farm, North Warwick Historic and Archeological District, Reading Furnace Historic District, Philip Rogers House, St. Mary's Episcopal Church, St. Peters Village Historic District, Warrenpoint, Warwick Mills, and Jacob Winings House and Clover Mill are listed on the National Register of Historic Places.
According to the United States Census Bureau, the township has a total area of 19.2 square miles (50 km2), all of it land. It is drained by the French Creek eastward into the Schuylkill River and areas near the border with Berks County are mountainous, exceeding 250 metres (825 feet) in places. Routes 23 and 345 (E-W and N-S respectively) serve the township and meet in the village of Warwick. Other unincorporated communities in the township include Knauertown, Pine Swamp, St. Peters, and Trythall. Warwick Township is located in the Hopewell Big Woods. French Creek State Park is partially located in the township and also in Berks County.
At the 2010 census, the township was 96.1% non-Hispanic White, 1.2% Black or African American, 0.2% Native American, 1.0% Asian, and 1.1% were two or more races. 1.6% of the population were of Hispanic or Latino ancestry.
As of the census of 2000, there were 2,556 people, 999 households, and 755 families living in the township. The population density was 133.2 people per square mile (51.5/km2). There were 1,033 housing units at an average density of 53.8/sq mi (20.8/km2). The racial makeup of the township was 98.16% White, 0.23% African American, 0.27% Native American, 0.47% Asian, 0.31% from other races, and 0.55% from two or more races. Hispanic or Latino of any race were 0.67% of the population.
There were 999 households, out of which 30.7% had children under the age of 18 living with them, 67.7% were married couples living together, 5.2% had a female householder with no husband present, and 24.4% were non-families. 20.9% of all households were made up of individuals, and 6.6% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 2.98.
In the township the population was spread out, with 23.4% under the age of 18, 5.8% from 18 to 24, 27.3% from 25 to 44, 31.7% from 45 to 64, and 11.9% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 105.3 males. For every 100 females age 18 and over, there were 102.0 males.
The median income for a household in the township was $56,771, and the median income for a family was $70,625. Males had a median income of $46,422 versus $31,429 for females. The per capita income for the township was $26,547. About 3.6% of families and 6.1% of the population were below the poverty line, including 11.0% of those under age 18 and 3.0% of those age 65 or over.
- "2016 U.S. Gazetteer Files". United States Census Bureau. Retrieved Aug 13, 2017.
- "Population and Housing Unit Estimates". Retrieved June 9, 2017.
- "Warwick Township".
- "The Iron and Steel Heritage partners with Pennsylvania Department of Conservation and Natural Resources".
- "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- https://viewer.nationalmap.gov/advanced-viewer/ The National Map, retrieved 24 October 2018
- Pennsylvania State Game Lands Number 43, retrieved 25 October 2018
- "Census 2020".
- "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.
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