Plum borough, Pennsylvania Demographics & Population 2026
As of 2026, Plum borough, Pennsylvania has a total population of 26,873, the 23rd largest city in Pennsylvania, with a median household income of $98,475, which is 29% higher than the state average. The poverty rate is 3.0%.
Key Takeaways
- An exceptionally low poverty rate of 3.0% — among the lowest in Pennsylvania.
- Housing is very affordable with a home-value-to-income ratio of just 2.2x.
Plum borough Quick Facts
How Plum borough Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 43 | National average: 60
Education
Educational Attainment (Adults 25+)
Plum borough Rankings in Pennsylvania
Explore Pennsylvania Rankings
Other Cities in Allegheny County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Pittsburgh city | 303,620 | $64,137 | 19.5% | $193,200 |
| Bethel Park municipality | 33,070 | $104,129 | 4.3% | $258,700 |
| Monroeville municipality | 28,383 | $78,191 | 9.8% | $197,400 |
| Baldwin borough | 21,159 | $77,882 | 10.4% | $191,700 |
| West Mifflin borough | 19,338 | $70,335 | 11.8% | $131,400 |
| McKeesport city | 17,520 | $31,854 | 32.9% | $69,800 |
| Franklin Park borough | 15,273 | $172,200 | 0.9% | $467,700 |
| Whitehall borough | 14,863 | $85,000 | 8.2% | $229,200 |
| Wilkinsburg borough | 14,165 | $48,565 | 20.3% | $140,300 |
| Jefferson Hills borough | 12,313 | $117,518 | 2.0% | $309,600 |
Cities Similar to Plum borough
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| King of Prussia CDP | 25,025 | $111,600 | $396,500 | 63.9% | 3.9% |
| Drexel Hill CDP | 30,015 | $87,993 | $239,900 | 45.3% | 8.0% |
| Monroeville municipality | 28,383 | $78,191 | $197,400 | 45.7% | 9.8% |
| Bethel Park municipality | 33,070 | $104,129 | $258,700 | 51.6% | 4.3% |
| Allison Park CDP | 22,108 | $108,669 | $328,700 | 58.9% | 3.6% |
Population Overview
Plum borough is a mid-sized community located in Pennsylvania, within Allegheny County. The total population is 26,873. It ranks as the 23rd most populous out of 1,993 cities and towns in Pennsylvania.
Age Demographics
The median age in Plum borough is 43.5 years. This is 6% higher than the state median of 40.9 years.
Economy, Income & Housing
The median household income in Plum borough is $98,475. This is 29% higher than the state median of $76,081. Compared to the national median of $78,538, household income here is 25% higher. The poverty rate stands at 3.0%. This is 74% lower than the state poverty rate of 11.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.9%. This is 44% lower than the state rate of 5.3%. The median home value is $218,600. Housing costs are 9% lower than the state median of $240,500. With a home-value-to-income ratio of just 2.2x, Plum borough is one of the most affordable housing markets in the area. 80.8% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 69.3%.
Race & Ethnicity
Plum borough has a predominantly White (non-Hispanic) population, comprising 92.1% of all residents. Black or African American residents account for 3.3%. The Black or African American population (3.3%) is well below the state average of 10.3%. The Hispanic or Latino population (0.9%) is well below the state average of 8.4%. The Asian population (1.0%) is well below the state average of 3.7%.
Education
43.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 25% higher than the state rate of 34.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.5%. Notably, 15.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Plum borough, Pennsylvania is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,993 Census-designated places in Pennsylvania. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Plum borough, Pennsylvania?
Plum borough, Pennsylvania has a population of 26,873 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Plum borough, PA?
The median household income in Plum borough is $98,475, which is 25% higher the national median of $78,538.
What is the poverty rate in Plum borough, PA?
The poverty rate in Plum borough is 3.0%. This means approximately 818 residents live below the federal poverty line.
What is the racial makeup of Plum borough, Pennsylvania?
Plum borough's population is 92.1% White, 3.3% Black, 0.9% Hispanic/Latino, and 1.0% Asian.
What is the median home value in Plum borough, PA?
The median home value in Plum borough is $218,600. The home-value-to-income ratio is 2.2x.
How educated is Plum borough, Pennsylvania?
43.3% of adults (25+) in Plum borough hold a bachelor's degree or higher, and 15.1% hold a graduate or professional degree.