Woonsocket is a city in Sanborn County, South Dakota, home to about 759 people across 0.8 square miles. Its ZIP code is 57385.
Homes sold for a median of $152 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Woonsocket. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Eppley Airfield (OMA)224 miles away |
|---|---|
| Closer regional airport | Watertown Regional Airport (ATY)80 miles away |
| Nearest city of 250,000+ | Omaha, NE223 miles away |
| Nearest city of 1 million+ | Chicago, IL555 miles away |
Straight-line distances from the center of Woonsocket; 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.
Woonsocket had 631 residents in the 2020 census, down 12% since 2000.
It’s the 106th largest of 440 towns in South Dakota by population.
Sanborn County grew from 4,464 residents in 1900 to 2,330 in 2020.
Sanborn County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 5°F. About 24.7 inches of rain and melted snow fall in a typical year, with about 26 inches of snow.
Source: NOAA 1991–2020 climate normals, Forestburg 4 Nne, SD weather station (8 miles away).
409 jobs at 58 businesses in Sanborn County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Woonsocket.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 2 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Libraries
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Woonsocket School District 55-4. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Woonsocket Elementary - 03Woonsocket | Pre-K–8 | 181 | Public | 1.8 mi |
| Woonsocket High School - 01Woonsocket | 9–12 | 91 | Public | 1.8 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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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.