Siskiyou County Flag

Siskiyou County

State:
California
County Seat:
Yreka

Siskiyou County's estimated 2025 population is 41,143 with a growth rate of -2.1% in the past year according to the most recent United States census data. Siskiyou County is the 46th largest county in California. The 2010 population was 44,941 and has seen a growth of -8.45% since that time.

41,143
Total Population
7
Population Density (mi²)
46
Population Rank (State)
-881 -2.1%
Annual Population Growth

Siskiyou County Population

Demographics

Economics and Income Statistics