Walworth County, South Dakota Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Walworth County, SD Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
B
Health Around average
-
B
Income Around average
-
D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Walworth County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| Population | 5,271 | 907,403 | 337,468,954 |
| Population density (per sq mi) | 7.1 | 11.8 | 86.4 |
| Population growth (%/yr) | -0.61% | 0.80% | 0.59% |
| Median age | 40.2 | 35.5 | 37.3 |
| Households | 2,415 | 365,533 | 130,235,071 |
Population in Walworth County declined by 0.8% from 2009 to 2024, reaching 5,271 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Walworth County is Boomers, aged 61–79, at 23.3% of residents. That is 6.1 points above South Dakota as a whole.
- Gen Z 13–28 781 14.8% -7.1 pts
- Millennials 29–44 1,032 19.6% -0.9 pts
- Gen X 45–60 999 18.9% +0.4 pts
- Boomers 61–79 1,230 23.3% +6.1 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below South Dakota, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 49.3% of the people living in Walworth County and men 50.7%.
- Women 49.3% South Dakota 49.6%
- Men 50.7% South Dakota 50.4%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Walworth County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Walworth County has a the economy index of B, which means it is quite prosperous.
| Metric | Walworth County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| Median household income | $63,610 | $75,087 | $80,455 |
| Income growth (%/yr) | 4.03% | 4.61% | 4.80% |
| Unemployment rate | 3.5% | 2.9% | 5.2% |
The median household income in Walworth County is about 15% lower than in South Dakota.
Housing
| Metric | Walworth County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| Median home price | $108,552 | $92,142 | $248,835 |
| Median rent | $926 | $946 | $1,407 |
| Homeownership rate | 76.2% | 68.6% | 65.2% |
The median home price in Walworth County is about 9.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $926 per month for that long.
Commute Time & Mobility
Commuters in Walworth County spend about 18 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 74 hours, about 3.1 full days, spent commuting.
| Metric | Walworth County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 8.9 | 15.3 | 22.4 |
| Round-trip commute (min) | 17.8 | 30.7 | 44.8 |
| Yearly time spent (hours) | 74 | 128 | 187 |
| Estimated yearly cost | $2,303 | $3,961 | $5,790 |
| Work from home | 6.0% | 9.7% | 15.0% |
| Highway traffic (vehicles/day) | 1,146 | 2,777 | 8,813 |
| Local road traffic (vehicles/day) | 113 | 353 | 1,355 |
Fastest commutes among counties in
South Dakota:
Jones County (6.7 min), Bennett County (7.5 min), Jackson County (7.8 min).
Slowest:
Custer County (25.5 min), McCook County (25.4 min), Turner County (23.1 min).
The average commute time in Walworth County is 9 minutes, shorter than the 15 minutes in South Dakota.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Walworth County has a education index of D, which means it is barely educated.
| Metric | Walworth County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 26.6% | 28.0% | 31.6% |
| Average household size | 2.12 | 2.40 | 2.53 |
Highest education index among counties in
South Dakota:
Clay County (0.4), Lincoln County (0.3), Stanley County (0.3).
Lowest:
Buffalo County (0.1), Mellette County (0.2), Oglala Lakota County (0.2).
Health
Walworth County has a health index of B, which means it is quite healthy.
| Metric | Walworth County | South Dakota Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.6 | 79.9 | 78.3 |
| Self-rated poor health | 12.3% | 13.8% | 16.3% |
| Smokers | 16.6% | 19.9% | 19.0% |
Highest health index among counties in
South Dakota:
Brookings County (0.8), Lincoln County (0.8), Clay County (0.8).
Lowest:
Todd County (0.7), Buffalo County (0.7), Mellette County (0.7).
Frequently Asked Questions
Common questions about Walworth County, South Dakota.
What is the population of Walworth County, South Dakota?
About 5,271 people live in Walworth County, South Dakota, in 2,415 households of 2.1 people on average. The median age is 40.2, so residents are older than the U.S. median of 37.3 by about 3 years.
How densely populated is Walworth County, South Dakota?
Averaged over its land area, Walworth County, South Dakota has 7 people per square mile, a density typical of rural areas. That is about 8% of the U.S. average of 86.
How affordable is housing in Walworth County, South Dakota?
The median home costs 1.7 times the median household income ($108,552 against $63,610), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $926 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Walworth County, South Dakota?
Unemployment in Walworth County, South Dakota is only 3.5%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
Analyze any area in the US
Get local demographics for any address, aggregated by drive time or radius, on the interactive map.
Explore the map →