Plumas County Flag

Plumas County

State:
California
County Seat:
Quincy

Plumas County's estimated 2026 population is 18,393 with a growth rate of -1.02% in the past year according to the most recent United States census data. Plumas County is the 51st largest county in California. The 2010 population was 19,915 and has seen a growth of -7.64% since that time.

18,393
Total Population
7
Population Density (mi²)
51
Population Rank (State)
-190 -1.02%
Annual Population Growth

Plumas County Population

Demographics

Economics and Income Statistics