Walworth County, South Dakota
Located in South Dakota, Walworth County has a population of 5,271 residents and a median age of 41.7 years, making it the #2,871 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 14.9%. The median home value is $136,600, and the median household income is $65,026, which is 13% below the national median.
Demographics
Walworth County has a population of 5,271, making it the #2,871 most populous county in the US. The median age is 41.7 years, which is 7.2% 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 Walworth County is $65,026, ranking #1,630 out of 3,222 counties — 13.5% below the national median. The poverty rate is 14.9% and unemployment stands at 3.5%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Walworth County is $136,600 (-51.5% vs national). Renters pay a median of $926/mo and the homeownership rate is 76.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Walworth County, 29.6% of adults age 25+ hold a bachelor's degree or higher, which is 12.3% below the national average, ranking #798 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Walworth County is 76.9 years. 15.2% of adults report poor or fair health and 12.3% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.2% of adults in Walworth County smoke , 34.8% are obese , and 23.3% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 31.6 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
18.8% of children in Walworth County live in poverty . The teen birth rate is 23.9 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Walworth County is 61.9%. The mean commute time is 18.2 min, which is 34.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Walworth County voted Republican with a margin of 59.2%. The vote was 19.5% Dem / 78.7% Rep. Compared to 2020, the margin shifted 4.9 toward Republicans .
Vote Share Over Time
About Walworth County, South Dakota
Walworth County, South Dakota has a total population of 5,271, making it the 2,871st most populous county in the United States. The median age in Walworth County is 41.7 years, which is 7.2% above the national median of 38.9 years.
The median household income in Walworth County is $65,026, which ranks #1,630 of 3,222 counties nationwide. This is 13.5% below the national median of $75,149. The poverty rate is 14.9%, higher than the national rate of 12.6%. The unemployment rate stands at 3.5%.
The median home value in Walworth County is $136,600, 51.5% below the national median. Renters in Walworth County pay a median gross rent of $926 per month. The homeownership rate is 76.2%, compared to the national rate of 64.4%.
In Walworth County, 29.6% of residents aged 25 and older hold a bachelor's degree or higher, 12.3% below the national average of 33.7%. Health insurance coverage stands at 89.4% of the population. The average commute time for workers is 18.2 min.
Walworth County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 78.2% of the population, followed by American Indian (non-Hispanic) (10.6%) and Two or More Races (9.5%).
All data for Walworth County, South Dakota 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.