Humboldt County's 2026 population is estimated at 9,313, reflecting a -1.02% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Humboldt County is the 79th largest county in Iowa. The 2010 population was 9,791 and has grown -4.88% since 2010.
Overall: 42.1 years
Female: 42.3 years
Male: 41.9 years
There are 7,317 adults, (2,075 of whom are seniors) in Humboldt County.
Female: 4,838 (50.4%)
Male: 4,753 (49.6%)
The racial composition of Humboldt County includes 91.11% White, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 8,738 | 91.11% |
| Two or more races | 359 | 3.74% |
| Other race | 278 | 2.9% |
| Asian | 98 | 1.02% |
| Native Hawaiian or Pacific Islander | 70 | 0.73% |
| Black or African American | 32 | 0.33% |
| Native American | 16 | 0.17% |
Humboldt County 's average per capita income is $51,041. Household income levels show a median of $71,946. The poverty rate stands at 12.87%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $97,778 | - |
| Families | $86,695 | $111,945 |
| Households | $71,946 | $92,749 |
| Non Families | $42,679 | $49,449 |
Average Income
Median Household Income
Poverty Rate