Humboldt County, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 78th-largest in Iowa
The population of Humboldt County, Iowa is 9,573 as of the 2023 American Community Survey, making it the 78th-largest county in Iowa. The median household income is $66,994, the median home value is $146,900, and the median age is 41.8.
The population of Humboldt County has declined 1.8% since 2010 (9,791 → 9,617), a -0.13% annualized rate.
9,573
Population
-0.13%
Annual growth
22
People / sq mi
$66,994
Median Income
$146,900
Median Home Value
Humboldt County covers 434 sq mi of land at 22.0 people per square mile.
About Humboldt County, IA
Humboldt County is a county in Iowa with a population of 9,573. It ranks #78 among counties in Iowa by population. The median age is 41.8, older than the national median. The population is 50.0% male and 50.0% female.
The median household income in Humboldt County is $66,994, below the US median of $74,580. 10.4% of residents live below the federal poverty level. Home values sit at a median of $146,900, with monthly rent averaging $731. The homeownership rate of 75.0% is higher than the national rate of 64.8%.
Educational attainment in Humboldt County reflects 19.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 11.0% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 19.4 minutes each way.
Humboldt County Population History (2010-2024)
The county of Humboldt County had a population of 9,791 in 2010 and 9,617 in 2024, a -1.8% growth over 14 years. The peak was 9,791 in 2010. Average annual growth rate: -0.13%.
9,617
Population (2024)
9,791
Population (2010)
9,791
Peak (2010)
-0.13%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 9,791 |
| 2011 | 9,782 |
| 2012 | 9,724 |
| 2013 | 9,682 |
| 2014 | 9,641 |
| 2015 | 9,562 |
| 2016 | 9,530 |
| 2017 | 9,568 |
| 2018 | 9,520 |
| 2019 | 9,499 |
| 2020 | 9,597 |
| 2021 | 9,630 |
| 2022 | 9,545 |
| 2023 | 9,564 |
| 2024 | 9,617 |
Race & Ethnicity
| White | 91.9% |
| Black or African American | 0.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Age & Sex
41.8
Median Age
50.0%
Female
50.0%
Male
21.4%
Age 65+
Age Distribution
Children (under 15): 19.5% · Seniors (65+): 21.4%
Income & Poverty
| Median household income | $66,994$-6,153 vs state |
| Mean household income | $86,372 |
| Per-capita income | $38,775 |
| Poverty rate | 10.4%+3.5% vs state |
| Unemployment rate | 2.0% |
| Employment-to-population | 61.7% |
Top Industries by Employment
The largest employment sector in Humboldt County is professional & business services, accounting for 19.7% of workers.
How residents commute
0.2%
Drive alone
2.1%
Carpool
76.8%
Public transit
11.0%
Work from home
19.4 min
Avg commute
Housing
$146,900$-49,000 vs state
Median home value
$731
Median rent
75.0%
Homeownership rate
4,600
Total housing units
92.1%
Occupied
7.9%
Vacant
25.0%
Renter-occupied
Social & access
94.0%
With health insurance
92.8%
With broadband internet
16.1%
Foreign-born
7.2%
Veterans (18+)
14.7%
With a disability
94.8%
Speak language other than English at home
Education
93.6%
High School+
19.3%
Bachelor's+
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County rankings
Frequently Asked Questions
Humboldt County, Iowa has a population of 9,573 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 78th-largest county in Iowa. Population density is 22 people per square mile.
The population of Humboldt County has declined 1.8% since 2010 (9,791 → 9,617), a -0.13% annualized rate.
The median household income in Humboldt County, Iowa is $66,994, with mean (average) household income of $86,372 and per-capita income of $38,775. 10.4% of residents live below the federal poverty level.
In Humboldt County, the largest racial and ethnic groups are White (91.9%), Hispanic or Latino (0.8%), Black or African American (0.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Humboldt County, Iowa is 41.8 years. Residents are 50.0% female and 50.0% male.
The median home value in Humboldt County is $146,900 and median monthly rent is $731. 75.0% of occupied housing units are owner-occupied. The county has 4,600 total housing units, 7.9% of which are vacant.
The largest employment sector in Humboldt County, Iowa is professional, scientific, and management services, employing 19.7% of workers. The unemployment rate is 2.0%.
Des Moines is among the largest cities associated with Humboldt County, Iowa, with a population of 212,464.
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Statewide data for Iowa
Population, race, income, age, and trends across Iowa
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.