Humboldt County, Iowa
Located in Iowa, Humboldt County has a population of 9,591 residents and a median age of 42.1 years, making it the #2,518 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.9%. The median home value is $155,800, and the median household income is $71,946, which is 4% below the national median.
Demographics
Humboldt County has a population of 9,591, making it the #2,518 most populous county in the US. The median age is 42.1 years, which is 8.2% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Humboldt County is $71,946, ranking #1,051 out of 3,222 counties — 4.3% below the national median. The poverty rate is 12.9% and unemployment stands at 5.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Humboldt County is $155,800 (-44.7% vs national). Renters pay a median of $744/mo and the homeownership rate is 77.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Humboldt County, 19.4% of adults age 25+ hold a bachelor's degree or higher, which is 42.6% below the national average, ranking #2,116 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Humboldt County is 78.2 years. 16.3% of adults report poor or fair health and 5.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.7% of adults in Humboldt County smoke , 43.4% are obese , and 23.3% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 15.0 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
11.9% of children in Humboldt County live in poverty . The teen birth rate is 13.0 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Humboldt County is 74.9%. The mean commute time is 21.0 min, which is 23.9% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Humboldt County voted Republican with a margin of 50.0%. The vote was 24.4% Dem / 74.4% Rep. Compared to 2020, the margin shifted 5.4 toward Republicans .
Vote Share Over Time
About Humboldt County, Iowa
Humboldt County, Iowa has a total population of 9,591, making it the 2,518th most populous county in the United States. The median age in Humboldt County is 42.1 years, which is 8.2% above the national median of 38.9 years.
The median household income in Humboldt County is $71,946, which ranks #1,051 of 3,222 counties nationwide. This is 4.3% below the national median of $75,149. The poverty rate is 12.9%, higher than the national rate of 12.6%. The unemployment rate stands at 5.0%.
The median home value in Humboldt County is $155,800, 44.7% below the national median. Renters in Humboldt County pay a median gross rent of $744 per month. The homeownership rate is 77.2%, compared to the national rate of 64.4%.
In Humboldt County, 19.4% of residents aged 25 and older hold a bachelor's degree or higher, 42.6% below the national average of 33.7%. Health insurance coverage stands at 94.2% of the population. The average commute time for workers is 21.0 min.
Humboldt County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 90.4% of the population, followed by Hispanic or Latino (5.7%) and Two or More Races (1.5%).
All data for Humboldt County, Iowa comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.