Plum is a borough located in Allegheny County, Pennsylvania. Plum has a 2026 population of 26,060. Plum is currently declining at a rate of -0.69% annually and its population has decreased by -3.98% since the most recent census, which recorded a population of 27,140 in 2020.
The median household income in Plum is $98,705 with a poverty rate of 3.57%. The median age in Plum is 44.4 years: 42.6 years for males, and 47.6 years for females. For every 100 females there are 106.7 males.
Data after 2023 is projected based on recent change
Overall: 44.4 years
Female: 47.6 years
Male: 42.6 years
There are 21,071 adults, (6,085 of whom are seniors) in Plum.
Female: 12,926 (48.4%)
Male: 13,797 (51.6%)
The racial composition of Plum includes 91.1% White, 3.87% Black or African American, and smaller percentages for Two or more races, Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 24,344 | 91.1% |
| Black or African American | 1,034 | 3.87% |
| Two or more races | 798 | 2.99% |
| Asian | 369 | 1.38% |
| Other race | 174 | 0.65% |
| Native American | 4 | 0.01% |
Plum 's average per capita income is $63,324. Household income levels show a median of $98,705. The poverty rate stands at 3.57%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $124,909 | - |
| Families | $112,897 | $134,785 |
| Households | $98,705 | $117,890 |
| Non Families | $61,379 | $72,001 |
Average Income
Median Household Income
Poverty Rate