Mount Oliver Flag

Mount Oliver

County Seat:
No
Area (mi²):
0.339
State:
Pennsylvania

Mount Oliver is a borough located in Allegheny County, Pennsylvania. Mount Oliver has a 2025 population of 3,227 . Mount Oliver is currently declining at a rate of -0.98% annually and its population has decreased by -4.67% since the most recent census, which recorded a population of 3,385 in 2020.

The average household income in Mount Oliver is $57,473 with a poverty rate of 19.25%. The median age in Mount Oliver is 37.2 years: 38.3 years for males, and 33.4 years for females. For every 100 females there are 93.7 males.

3.2K
Total Population
9,506
Density (mi²)
-32 -0.98%
Growth

Mount Oliver Population

Mount Oliver Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Mount Oliver includes 48.85% White, 36.06% Black or African American, 7.41% other race, and smaller percentages for Asian and multiracial populations.

Population by Race

White (48.85%)

Black or African American (36.06%)

Other race (7.41%)

Two or more races (6.93%)

Asian (0.75%)

Race
Population
Percentage (of total)
White1,63548.85%
Black or African American1,20736.06%
Other race2487.41%
Two or more races2326.93%
Asian250.75%

Mount Oliver Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mount Oliver's average per capita income is $34,286. Household income levels show a median of $50,379. The poverty rate stands at 19.25%.

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
Married Families$58,472-
Families$56,149$65,668
Households$50,379$57,473
Non Families$35,364$42,080

$34,286

Average Income

$50,379

Median Household Income

19.25%

Poverty Rate

Nearby Cities

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)