Jasper County, Iowa
Located in Iowa, Jasper County has a population of 37,954 residents and a median age of 41.3 years, making it the #1,252 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 8.3%. The median home value is $186,300, and the median household income is $71,311, which is 5% below the national median.
Demographics
Jasper County has a population of 37,954, making it the #1,252 most populous county in the US. The median age is 41.3 years, which is 6.2% 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 Jasper County is $71,311, ranking #1,100 out of 3,222 counties — 5.1% below the national median. The poverty rate is 8.3% and unemployment stands at 5.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Jasper County is $186,300 (-33.9% vs national). Renters pay a median of $836/mo and the homeownership rate is 72.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Jasper County, 20.0% of adults age 25+ hold a bachelor's degree or higher, which is 40.6% below the national average, ranking #1,999 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Jasper County is 77.9 years. 13.8% of adults report poor or fair health and 4.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.3% of adults in Jasper County smoke , 39.2% are obese , and 24.0% report excessive drinking. The drug overdose death rate is 12.4 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 21.6 per 100,000. Motor vehicle deaths occur at a rate of 10.3 per 100,000.
Suicide Rate Trend
Families & Children
11.8% of children in Jasper County live in poverty . The teen birth rate is 17.0 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Jasper County is 71.2%. The mean commute time is 25.6 min, which is 7.2% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Jasper County voted Republican with a margin of 27.6%. The vote was 35.4% Dem / 63% Rep. Compared to 2020, the margin shifted 6.0 toward Republicans .
Vote Share Over Time
About Jasper County, Iowa
Jasper County, Iowa has a total population of 37,954, making it the 1,252nd most populous county in the United States. The median age in Jasper County is 41.3 years, which is 6.2% above the national median of 38.9 years.
The median household income in Jasper County is $71,311, which ranks #1,100 of 3,222 counties nationwide. This is 5.1% below the national median of $75,149. The poverty rate is 8.3%, lower than the national rate of 12.6%. The unemployment rate stands at 5.7%.
The median home value in Jasper County is $186,300, 33.9% below the national median. Renters in Jasper County pay a median gross rent of $836 per month. The homeownership rate is 72.3%, compared to the national rate of 64.4%.
In Jasper County, 20.0% of residents aged 25 and older hold a bachelor's degree or higher, 40.6% below the national average of 33.7%. Health insurance coverage stands at 95.5% of the population. The average commute time for workers is 25.6 min.
Jasper County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 90.8% of the population, followed by Two or More Races (3.6%) and Hispanic or Latino (3.1%).
All data for Jasper 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.