Brentwood Flag

Brentwood

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

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.

9.5K
Total Population
6,570
Density (mi²)
-93 -0.97%
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)