Brentwood Flag

Brentwood

County Seat:
No
Area (mi²):
14.865
State:
California

Brentwood is a city located in Contra Costa County, California. Brentwood has a 2026 population of 66,286. Brentwood is currently growing at a rate of 1.27% annually and its population has increased by 2.84% since the most recent census, which recorded a population of 64,454 in 2020.

66.3K
Total Population
4,459
Density (mi²)
834 1.27%
Growth

Nearby Cities

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)