Plum Flag

Plum

County Seat:
No
Area (mi²):
28.57
State:
Pennsylvania

Plum is a borough located in Allegheny County, Pennsylvania. Plum has a 2025 population of 25,890. Plum is currently declining at a rate of -0.96% annually and its population has decreased by -4.61% since the most recent census, which recorded a population of 27,142 in 2020.

The average household income in Plum is $114,193 with a poverty rate of 3.05%.The median age in Plum is 43.5 years: 42.2 years for males, and 45.1 years for females.

25.9K
Total Population
906
Density (mi²)
-250 -0.96%
Growth

Plum Population

Plum Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Plum includes 92.33% White, 3.27% Black or African American, and smaller percentages for Two or more races, Asian, other race, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White24,81192.33%
Black or African American8803.27%
Two or more races6922.58%
Asian2811.05%
Other race2060.77%
Native American30.01%

Plum Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plum's average per capita income is $62,736. Household income levels show a median of $98,475. The poverty rate stands at 3.05%.

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$128,689-
Families$117,447$130,953
Households$98,475$114,193
Non Families$54,292$64,936

$62,736

Average Income

$98,475

Median Household Income

3.05%

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)