Wentworth, South Dakota Demographics & Population 2026
During the 2020–2024 ACS period, Wentworth, South Dakota had a total population of 138, the 273rd largest village in South Dakota, with a median household income of $62,188, which is 17% lower than the state average. The poverty rate is 13.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.3x.
Wentworth Quick Facts
How Wentworth Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 189 | 138 | -27.0% |
| Median household income | $91,875 | $62,188 | -32.3% |
How Wentworth Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 35 | National average: 61
Education
Educational Attainment (Adults 25+)
Wentworth Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Lake County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Madison | 6,094 | $65,593 | 9.5% | $193,100 |
| Lake Madison | 936 | $129,191 | 1.0% | $477,800 |
| Ramona | 538 | $78,750 | 26.2% | $85,800 |
| Brant Lake South | 211 | $107,983 | 6.2% | N/A |
| Chester | 152 | $68,333 | 0.0% | $147,500 |
| Brant Lake | 63 | $104,318 | 0.0% | $455,000 |
| Nunda | 40 | N/A | 27.5% | $118,800 |
| Winfred | 34 | N/A | 0.0% | N/A |
| Rustic Acres Colony | 30 | N/A | 0.0% | N/A |
Cities Similar to Wentworth
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Clark Colony | 139 | N/A | N/A | 0.0% | 40.3% |
| Norris | 140 | N/A | N/A | 22.6% | 81.2% |
| Midland | 135 | $61,477 | $57,800 | 12.0% | 8.2% |
| Tschetter Colony | 148 | N/A | N/A | 81.1% | 84.1% |
| Artesian | 148 | $61,806 | $87,500 | 19.1% | 8.1% |
A note before these figures: with a population of 138, Wentworth's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Wentworth is a small community located in South Dakota, within Lake County. The total population is 138. It ranks as the 273rd most populous out of 439 Census-designated places in South Dakota.
Age Demographics
The median age in Wentworth is 45.5 years. This is 20% higher than the state median of 38.0 years.
Economy, Income & Housing
The median household income in Wentworth is $62,188. This is 17% lower than the state median of $75,081. It is also 23% lower than the national median of $80,734. The poverty rate stands at 13.8%. This is 15% higher than the state poverty rate of 11.9%. The survey records no unemployed residents in Wentworth, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $83,300. Housing costs are 68% lower than the state median of $257,400. With a home-value-to-income ratio of just 1.3x, Wentworth is one of the most affordable housing markets in the area. 82.5% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 68.6%.
Race & Ethnicity
Wentworth has a predominantly White (non-Hispanic) population, comprising 93.5% of all residents.
Education
22.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower than the state rate of 31.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.0%.
Data Sources & Methodology
All demographic data for Wentworth, South Dakota is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against South Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 439 Census-designated places in South Dakota. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Wentworth, South Dakota?
Wentworth, South Dakota has a population of 138 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Wentworth, SD?
The median household income in Wentworth is $62,188, which is 23% lower than the national median of $80,734.
What is the poverty rate in Wentworth, SD?
The poverty rate in Wentworth is 13.8%. This means approximately 19 residents live below the federal poverty line.
What is the racial makeup of Wentworth, South Dakota?
Wentworth's population is 93.5% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Wentworth, SD?
The median home value in Wentworth is $83,300. The home-value-to-income ratio is 1.3x.
How educated is Wentworth, South Dakota?
22.8% of adults (25+) in Wentworth hold a bachelor's degree or higher, and 5.9% hold a graduate or professional degree.