Winnebago County, Iowa
Located in Iowa, Winnebago County has a population of 10,583 residents and a median age of 42.7 years, making it the #2,447 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.2%. The median home value is $135,000, and the median household income is $67,642, which is 10% below the national median.
Demographics
Winnebago County has a population of 10,583, making it the #2,447 most populous county in the US. The median age is 42.7 years, which is 9.8% 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 Winnebago County is $67,642, ranking #1,375 out of 3,222 counties — 10.0% below the national median. The poverty rate is 11.2% and unemployment stands at 3.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Winnebago County is $135,000 (-52.1% vs national). Renters pay a median of $717/mo and the homeownership rate is 70.6%.
Median Home Value Trend
Rankings →Household Type
Education
In Winnebago County, 26.1% of adults age 25+ hold a bachelor's degree or higher, which is 22.6% below the national average, ranking #1,104 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Winnebago County is 78.8 years. 12.8% of adults report poor or fair health and 5.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.1% of adults in Winnebago County smoke , 39.0% are obese , and 23.9% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 13.6 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
14.6% of children in Winnebago County live in poverty . The teen birth rate is 5.8 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Winnebago County is 73.6%. The mean commute time is 16.5 min, which is 40.2% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Winnebago County voted Republican with a margin of 30.7%. The vote was 33.9% Dem / 64.6% Rep. Compared to 2020, the margin shifted 4.4 toward Republicans .
Vote Share Over Time
About Winnebago County, Iowa
Winnebago County, Iowa has a total population of 10,583, making it the 2,447th most populous county in the United States. The median age in Winnebago County is 42.7 years, which is 9.8% above the national median of 38.9 years.
The median household income in Winnebago County is $67,642, which ranks #1,375 of 3,222 counties nationwide. This is 10.0% below the national median of $75,149. The poverty rate is 11.2%, lower than the national rate of 12.6%. The unemployment rate stands at 3.0%.
The median home value in Winnebago County is $135,000, 52.1% below the national median. Renters in Winnebago County pay a median gross rent of $717 per month. The homeownership rate is 70.6%, compared to the national rate of 64.4%.
In Winnebago County, 26.1% of residents aged 25 and older hold a bachelor's degree or higher, 22.6% below the national average of 33.7%. Health insurance coverage stands at 94.4% of the population. The average commute time for workers is 16.5 min.
Winnebago County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 89.0% of the population, followed by Hispanic or Latino (5.8%) and Black (non-Hispanic) (2.0%).
All data for Winnebago 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.