Monongahela township Flag

Monongahela township

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.

1.4K
Total Population
82
Density (mi²)
-6 -0.42%
Growth

Monongahela township Population

Monongahela township Population

Data after 2023 is projected based on recent change

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)
White1,35197.55%
Two or more races181.3%
Black or African American141.01%
Other race20.14%

Monongahela township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)