Kewaunee County, Wisconsin
Located in Wisconsin, Kewaunee County has a population of 20,664 residents and a median age of 44.6 years, making it the #1,841 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 7.6%. The median home value is $222,200, and the median household income is $82,725, which is 10% above the national median.
Demographics
Kewaunee County has a population of 20,664, making it the #1,841 most populous county in the US. The median age is 44.6 years, which is 14.7% 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 Kewaunee County is $82,725, ranking #490 out of 3,222 counties — 10.1% above the national median. The poverty rate is 7.6% and unemployment stands at 1.5%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Kewaunee County is $222,200 (-21.2% vs national). Renters pay a median of $847/mo and the homeownership rate is 86.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Kewaunee County, 21.9% of adults age 25+ hold a bachelor's degree or higher, which is 35.0% below the national average, ranking #1,671 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Kewaunee County is 79.9 years. 14.6% of adults report poor or fair health and 5.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.0% of adults in Kewaunee County smoke , 39.6% are obese , and 26.1% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 17.3 per 100,000. Motor vehicle deaths occur at a rate of 9.1 per 100,000.
Suicide Rate Trend
Families & Children
9.5% of children in Kewaunee County live in poverty . The teen birth rate is 8.1 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Kewaunee County is 76.6%. The mean commute time is 26.1 min, which is 5.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Kewaunee County voted Republican with a margin of 33.7%. The vote was 32.6% Dem / 66.3% Rep. Compared to 2020, the margin shifted 1.1 toward Republicans .
Vote Share Over Time
About Kewaunee County, Wisconsin
Kewaunee County, Wisconsin has a total population of 20,664, making it the 1,841st most populous county in the United States. The median age in Kewaunee County is 44.6 years, which is 14.7% above the national median of 38.9 years.
The median household income in Kewaunee County is $82,725, which ranks #490 of 3,222 counties nationwide. This is 10.1% above the national median of $75,149. The poverty rate is 7.6%, lower than the national rate of 12.6%. The unemployment rate stands at 1.5%.
The median home value in Kewaunee County is $222,200, 21.2% below the national median. Renters in Kewaunee County pay a median gross rent of $847 per month. The homeownership rate is 86.5%, compared to the national rate of 64.4%.
In Kewaunee County, 21.9% of residents aged 25 and older hold a bachelor's degree or higher, 35.0% below the national average of 33.7%. Health insurance coverage stands at 96.1% of the population. The average commute time for workers is 26.1 min.
Kewaunee County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 92.0% of the population, followed by Hispanic or Latino (4.1%) and Two or More Races (2.6%).
All data for Kewaunee County, Wisconsin 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.