Humboldt County Flag

Humboldt County

State:
California
County Seat:
Eureka

Humboldt County's estimated 2025 population is 130,751 with a growth rate of -1.23% in the past year according to the most recent United States census data. Humboldt County is the 35th largest county in California. The 2010 population was 135,010 and has seen a growth of -3.15% since that time.

130,751
Total Population
37
Population Density (mi²)
35
Population Rank (State)
-1.6K -1.23%
Annual Population Growth

Humboldt 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)