Plumas County Flag

Plumas County

State:
California
County Seat:
Quincy

Plumas County's estimated 2025 population is 18,548 with a growth rate of -1.52% 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 -6.86% since that time.

18,548
Total Population
7
Population Density (mi²)
51
Population Rank (State)
-286 -1.52%
Annual Population Growth

Plumas County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)