Brentwood is a borough located in Allegheny County, Pennsylvania. Brentwood has a 2026 population of 9,518. Brentwood is currently declining at a rate of -0.97% annually and its population has decreased by -5.53% since the most recent census, which recorded a population of 10,075 in 2020.
The median household income in Brentwood is $68,904 with a poverty rate of 19.11%. The median age in Brentwood is 39.1 years: 37.6 years for males, and 40.1 years for females. For every 100 females there are 104.7 males.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 40.1 years
Male: 37.6 years
There are 7,499 adults, (1,677 of whom are seniors) in Brentwood.
Female: 4,820 (48.9%)
Male: 5,046 (51.1%)
The racial composition of Brentwood includes 78.85% White, 11.86% Black or African American, and smaller percentages for Asian, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,779 | 78.85% |
| Black or African American | 1,170 | 11.86% |
| Two or more races | 703 | 7.13% |
| Asian | 204 | 2.07% |
| Other race | 10 | 0.1% |
Brentwood 's average per capita income is $52,515. Household income levels show a median of $68,904. The poverty rate stands at 19.11%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $104,044 | - |
| Families | $83,897 | $84,466 |
| Households | $68,904 | $71,869 |
| Non Families | $40,694 | $52,200 |
Average Income
Median Household Income
Poverty Rate