How many people live in Humboldt County, IA?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 9,600 people living in Humboldt County, IA. That makes Humboldt County the 76th-most populous county in Iowa. It is home to 0.3% of people living in the state.
9.62K
population of Humboldt County, IA (2024)
0.3%
County share of the Iowa population (2024)
About 9,600 people lived in Humboldt County, IA in 2024.
Population estimates, 2000–2024
What are Humboldt County, IA’s age demographics?
About 2,200 Humboldt County residents are aged 65 and older in 2024. That represents 22.9% of its population. For comparison, the age group represents 18.9% of Iowa’s population and 18% in the US overall.
Another 2,300 Humboldt County residents, or 23.8% of the population, were children under 18. For comparison, the age group represents 22.5% of Iowa’s population and 21.6% in the US overall.
A higher share of Humboldt County, IA's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Humboldt County, IA’s racial and ethnic demographics?
Non-Hispanic white residents make up 90.1% of the Humboldt County, IA population, higher than the national share of 57.5%.
In contrast, Humboldt County’s Hispanic population accounts for 7%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.94% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Humboldt County, IA has a higher share of a non-Hispanic white population than Iowa as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Humboldt County, IA is Humboldt with about 4,800 residents in 2024.
Cities and towns in Humboldt County, IA ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Humboldt | 4,774 |
| 2. | Dakota City | 764 |
| 3. | Livermore | 382 |
| 4. | Bode | 304 |
| 5. | Gilmore City (pt.) | 265 |
| 6. | Renwick | 228 |
| 7. | Thor | 182 |
| 8. | Rutland | 116 |
| 9. | Bradgate | 76 |
| 10. | Hardy | 55 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
