Brentwood Flag

Brentwood

County Seat:
No
Area (mi²):
1.449
State:
Pennsylvania

Brentwood is a borough located in Allegheny County, Pennsylvania. Brentwood has a 2025 population of 9,464. Brentwood is currently declining at a rate of -1.26% annually and its population has decreased by -6.01% since the most recent census, which recorded a population of 10,069 in 2020.

The average household income in Brentwood is $70,268 with a poverty rate of 17.49%.The median age in Brentwood is 37.2 years: 36.7 years for males, and 37.4 years for females.

9.5K
Total Population
6,533
Density (mi²)
-121 -1.26%
Growth

Brentwood Population

Demographics

Economics and Income Statistics

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)