Poweshiek County, Iowa
Located in Iowa, Poweshiek County has a population of 18,545 residents and a median age of 41.0 years, making it the #1,959 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.7%. The median home value is $209,300, and the median household income is $67,391, which is 10% below the national median.
Demographics
Poweshiek County has a population of 18,545, making it the #1,959 most populous county in the US. The median age is 41.0 years, which is 5.4% 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 Poweshiek County is $67,391, ranking #1,397 out of 3,222 counties — 10.3% below the national median. The poverty rate is 10.7% and unemployment stands at 3.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Poweshiek County is $209,300 (-25.8% vs national). Renters pay a median of $883/mo and the homeownership rate is 71.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Poweshiek County, 27.3% of adults age 25+ hold a bachelor's degree or higher, which is 18.9% below the national average, ranking #977 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Poweshiek County is 78.2 years. 15.9% of adults report poor or fair health and 4.5% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.9% of adults in Poweshiek County smoke , 42.3% are obese , and 23.8% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 11.7 per 100,000. Motor vehicle deaths occur at a rate of 9.3 per 100,000.
Suicide Rate Trend
Families & Children
11.0% of children in Poweshiek County live in poverty . The teen birth rate is 5.3 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Poweshiek County is 70.2%. The mean commute time is 20.6 min, which is 25.3% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Poweshiek County voted Republican with a margin of 16.9%. The vote was 40.8% Dem / 57.7% Rep. Compared to 2020, the margin shifted 3.6 toward Republicans .
Vote Share Over Time
About Poweshiek County, Iowa
Poweshiek County, Iowa has a total population of 18,545, making it the 1,959th most populous county in the United States. The median age in Poweshiek County is 41.0 years, which is 5.4% above the national median of 38.9 years.
The median household income in Poweshiek County is $67,391, which ranks #1,397 of 3,222 counties nationwide. This is 10.3% below the national median of $75,149. The poverty rate is 10.7%, lower than the national rate of 12.6%. The unemployment rate stands at 3.6%.
The median home value in Poweshiek County is $209,300, 25.8% below the national median. Renters in Poweshiek County pay a median gross rent of $883 per month. The homeownership rate is 71.2%, compared to the national rate of 64.4%.
In Poweshiek County, 27.3% of residents aged 25 and older hold a bachelor's degree or higher, 18.9% below the national average of 33.7%. Health insurance coverage stands at 96.1% of the population. The average commute time for workers is 20.6 min.
Poweshiek County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 89.8% of the population, followed by Hispanic or Latino (3.5%) and Two or More Races (3.3%).
All data for Poweshiek 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.