Editing Unity Township, Pennsylvania (section)

==Demographics==
{{US Census population
|1940= 10994
|1950= 12392
|1960= 15519
|1970= 18419
|1980= 19976
|1990= 20109
|2000= 21137
|2010= 22607
|2020= 21724
|estimate= 21599
|estyear= 2021
|estref= <ref name="USCensusEst2020-2021"/>
|footnote=U.S. Decennial Census<ref name="DecennialCensus">{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=Census of Population and Housing|publisher=Census.gov|access-date=June 4, 2016}}</ref><ref>{{Cite web | url=https://www.census.gov/prod/cen1990/cph2/cph-2-40.pdf | title=1990 Census of Population and Housing - Unit Counts Pennsylvania | archive-url=https://web.archive.org/web/20211108173918/https://www.census.gov/prod/cen1990/cph2/cph-2-40.pdf | archive-date=2021-11-08}}</ref><ref>{{Cite web | url=https://www2.census.gov/prod2/decennial/documents/17216604v1p40ch02.pdf | title=Number of Inhabitants - Pennsylvania}}</ref>
}}
At the [[2000 United States Census|2000 census]] there were 21,137 people, 7,963 households, and 5,773 families living in the township. The population density was {{convert|315.0|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 8,372 housing units at an average density of {{convert|124.8|/mi2|/km2|disp=preunit|units&nbsp;|units|}}. The [[Race and ethnicity in the United States Census#2000 census|racial makeup]] of the township was 98.12% White, 0.32% African American, 0.13% Native American, 0.86% Asian, 0.02% Pacific Islander, 0.15% from other races, and 0.40% from two or more races. Hispanic or Latino people of any race were 0.42%.<ref name="GR2">{{cite web|url=https://www.census.gov |publisher=[[United States Census Bureau]] |access-date=January 31, 2008 |title=U.S. Census website }}</ref>

Of the 7,963 households 29.5% had children under the age of 18 living with them, 61.9% were married couples living together, 7.5% had a female householder with no husband present, and 27.5% were non-families. 24.6% of households were one person and 11.4% were one person aged 65 or older. The average household size was 2.48 and the average family size was 2.95.

The age distribution was 21.5% under the age of 18, 9.1% from 18 to 24, 26.4% from 25 to 44, 25.8% from 45 to 64, and 17.2% 65 or older. The median age was 41 years. For every 100 females, there were 96.7 males. For every 100 females age 18 and over, there were 93.6 males.

The median household income was $40,585 and the median family income was $49,593. Males had a median income of $37,907 versus $26,164 for females. The per capita income for the township was $21,116. About 5.8% of families and 8.7% of the population were below the [[poverty line]], including 10.0% of those under age 18 and 9.8% of those age 65 or over.