Riverside County Flag

Riverside County

State:
California
County Seat:
Riverside

Riverside County's estimated 2026 population is 2,582,701 with a growth rate of 1.03% in the past year according to the most recent United States census data. Riverside County is the 4th largest county in California. The 2010 population was 2,201,562 and has seen a growth of 17.31% since that time.

2,582,701
Total Population
358
Population Density (mi²)
4
Population Rank (State)
26.4K 1.03%
Annual Population Growth

Riverside County Population

Demographics

Economics and Income Statistics