Humboldt County's 2026 population is estimated at 130,970, reflecting a -0.51% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Humboldt County is the 35th largest county in California. The 2010 population was 135,010 and has grown -2.99% since 2010.
Overall: 39.9 years
Female: 40.3 years
Male: 39.6 years
There are 109,240 adults, (26,660 of whom are seniors) in Humboldt County.
Female: 67,919 (50.5%)
Male: 66,622 (49.5%)
The racial composition of Humboldt County includes 72.11% White, 5.79% other race, 3.86% Native American, 3.07% Asian, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 97,012 | 72.11% |
| Two or more races | 17,845 | 13.26% |
| Other race | 7,792 | 5.79% |
| Native American | 5,195 | 3.86% |
| Asian | 4,137 | 3.07% |
| Black or African American | 2,137 | 1.59% |
| Native Hawaiian or Pacific Islander | 423 | 0.31% |
Humboldt County 's average per capita income is $41,441. Household income levels show a median of $61,160. The poverty rate stands at 18.67%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $101,347 | $128,347 |
| Families | $83,067 | $109,287 |
| Households | $61,160 | $86,064 |
| Non Families | $37,831 | $54,283 |
Average Income
Median Household Income
Poverty Rate