Monongahela township

County:: Washington County
County Seat:: No
Area (mi²):: 17.434
State:: Pennsylvania

Monongahela township is located in Washington County, Pennsylvania. Monongahela township has a 2025 population of 1,426. Monongahela township is currently declining at a rate of -0.42% annually and its population has decreased by -3.97% since the most recent census, which recorded a population of 1,485 in 2020.

The average household income in Monongahela township is $81,468 with a poverty rate of 15.45%.The median age in Monongahela township is 41.3 years: 40.5 years for males, and 41.6 years for females.

Demographics

The racial composition of Monongahela township includes 97.55% White, and smaller percentages for Two or more races, Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,351	97.55%
Two or more races	18	1.3%
Black or African American	14	1.01%
Other race	2	0.14%

Monongahela township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Monongahela township's average per capita income is $47,212. Household income levels show a median of $72,188. The poverty rate stands at 15.45%.

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	$94,500	-
Families	$80,729	$91,068
Households	$72,188	$81,468
Non Families	$36,154	$50,531

$47,212

Average Income

$72,188

Median Household Income

15.45%

Poverty Rate