Plainfield

County:: Cumberland County
County Seat:: No
Area (mi²):: 0.646
State:: Pennsylvania

Plainfield is a CDP located in Cumberland County, Pennsylvania. Plainfield has a 2025 population of 203. Plainfield is currently declining at a rate of -6.02% annually and its population has decreased by -26.98% since the most recent census, which recorded a population of 278 in 2020.

The average household income in Plainfield is $69,975 with a poverty rate of 16.25%. The median age in Plainfield is 58.1 years: 64.8 years for males, and 44.6 years for females.

Demographics

The racial composition of Plainfield includes 100% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	283	100%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Plainfield Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plainfield's average per capita income is $52,792. Household income levels show a median of $74,205. The poverty rate stands at 16.25%.

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
Families	$91,513	$87,023
Households	$74,205	$69,975
Married Families	-	-
Non Families	-	$53,638

$52,792

Average Income

$74,205

Median Household Income

16.25%

Poverty Rate