Plainfield township

County:: Cumberland County
County Seat:: No
Area (mi²):: 24.743
State:: Pennsylvania

Plainfield township is located in Cumberland County, Pennsylvania. Plainfield township has a 2025 population of 6,219. Plainfield township is currently declining at a rate of -0.02% annually and its population has decreased by -0.38% since the most recent census, which recorded a population of 6,243 in 2020.

The average household income in Plainfield township is $99,924 with a poverty rate of 9.95%.The median age in Plainfield township is 51.9 years: 53.7 years for males, and 51.6 years for females.

Demographics

The racial composition of Plainfield township includes 96.05% White, and smaller percentages for Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	5,983	96.05%
Two or more races	226	3.63%
Asian	20	0.32%

Plainfield township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plainfield township's average per capita income is $52,130. Household income levels show a median of $83,125. The poverty rate stands at 9.95%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$101,705	-
Families	$89,250	$105,435
Households	$83,125	$99,924
Non Families	$51,605	$77,276

$52,130

Average Income

$83,125

Median Household Income

9.95%

Poverty Rate