Boone County, Iowa
Located in Iowa, Boone County has a population of 26,668 residents and a median age of 42.4 years, making it the #1,591 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 6.2%. The median home value is $212,400, and the median household income is $83,531, which is 11% above the national median.
Demographics
Boone County has a population of 26,668, making it the #1,591 most populous county in the US. The median age is 42.4 years, which is 9.0% 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 Boone County is $83,531, ranking #466 out of 3,222 counties — 11.2% above the national median. The poverty rate is 6.2% and unemployment stands at 1.5%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Boone County is $212,400 (-24.7% vs national). Renters pay a median of $845/mo and the homeownership rate is 80.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Boone County, 28.5% of adults age 25+ hold a bachelor's degree or higher, which is 15.4% below the national average, ranking #883 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Boone County is 77.1 years. 13.9% of adults report poor or fair health and 4.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.5% of adults in Boone County smoke , 38.6% are obese , and 25.1% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 10.0 per 100,000. Motor vehicle deaths occur at a rate of 13.0 per 100,000.
Suicide Rate Trend
Families & Children
9.5% of children in Boone County live in poverty . The teen birth rate is 11.2 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Boone County is 74.7%. The mean commute time is 24.8 min, which is 10.2% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Boone County voted Republican with a margin of 21.5%. The vote was 38.4% Dem / 59.9% Rep. Compared to 2020, the margin shifted 5.9 toward Republicans .
Vote Share Over Time
About Boone County, Iowa
Boone County, Iowa has a total population of 26,668, making it the 1,591st most populous county in the United States. The median age in Boone County is 42.4 years, which is 9.0% above the national median of 38.9 years.
The median household income in Boone County is $83,531, which ranks #466 of 3,222 counties nationwide. This is 11.2% above the national median of $75,149. The poverty rate is 6.2%, lower than the national rate of 12.6%. The unemployment rate stands at 1.5%.
The median home value in Boone County is $212,400, 24.7% below the national median. Renters in Boone County pay a median gross rent of $845 per month. The homeownership rate is 80.0%, compared to the national rate of 64.4%.
In Boone County, 28.5% of residents aged 25 and older hold a bachelor's degree or higher, 15.4% below the national average of 33.7%. Health insurance coverage stands at 96.7% of the population. The average commute time for workers is 24.8 min.
Boone County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 92.9% of the population, followed by Hispanic or Latino (2.9%) and Two or More Races (2.8%).
All data for Boone 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.