Alameda County Flag

Alameda County

State:
California
County Seat:
Oakland

Alameda County's estimated 2025 population is 1,610,046 with a growth rate of -0.38% in the past year according to the most recent United States census data. Alameda County is the 7th largest county in California. The 2010 population was 1,512,997 and has seen a growth of 6.41% since that time.

1,610,046
Total Population
2,185
Population Density (mi²)
7
Population Rank (State)
-6.1K -0.38%
Annual Population Growth

Alameda County Population

Demographics

Economics and Income Statistics