Wentworth is a village in Lake County, South Dakota, home to about 138 people across 0.3 square miles. It has no ZIP code of its own: it’s part of 57075.
Homes sold for a median of $287 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Lake Madison; part is in Wentworth
Each card is that ZIP code’s whole market, including any part outside Wentworth. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Wentworth’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Eppley Airfield (OMA)193 miles away |
|---|---|
| Closer regional airport | Sioux Falls Regional Airport (FSD)30 miles away |
| Nearest city of 250,000+ | Omaha, NE193 miles away |
| Nearest city of 1 million+ | Chicago, IL492 miles away |
Straight-line distances from the center of Wentworth; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Wentworth had 181 residents in the 2020 census, down 4% since 2000.
It’s the 273rd largest of 440 towns in South Dakota by population.
Lake County grew from 9,137 residents in 1900 to 11,059 in 2020.
Lake County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 7°F. About 26.8 inches of rain and melted snow fall in a typical year, with about 38 inches of snow.
Source: NOAA 1991–2020 climate normals, Wentworth 2.5 Wnw, SD weather station (3 miles away).
3,907 jobs at 339 businesses in Lake County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
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Shares ZIP codes with Lake Madison.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.