Monongahela is a city located in Washington County, Pennsylvania. Monongahela has a 2025 population of 4,047. Monongahela is currently declining at a rate of -0.49% annually and its population has decreased by -2.41% since the most recent census, which recorded a population of 4,147 in 2020.
The average household income in Monongahela is $72,220 with a poverty rate of 12.13%.The median age in Monongahela is 44.1 years: 41.2 years for males, and 48 years for females.
Data after 2023 is projected based on recent change
The racial composition of Monongahela includes 93.44% White, and smaller percentages for Black or African American, other race and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 3,843 | 93.44% |
Two or more races | 150 | 3.65% |
Black or African American | 72 | 1.75% |
Other race | 48 | 1.17% |
Married
Widowed
Divorced
Separated
Never Married
Monongahela's average per capita income is $41,742. Household income levels show a median of $55,500. The poverty rate stands at 12.13%.
Name | Median | Mean |
---|---|---|
Married Families | $84,753 | - |
Families | $79,500 | $94,544 |
Households | $55,500 | $72,220 |
Non Families | $31,667 | $42,202 |
Average Income
Median Household Income
Poverty Rate