St. Lawrence is a town in Hand County, South Dakota, home to about 172 people across 0.3 square miles. Its ZIP code is 57373.
Homes sold for a median of $127 per square foot in the three months ending August 2026.
Mostly St. Lawrence
Each card is that ZIP code’s whole market, including any part outside St. Lawrence. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Eppley Airfield (OMA)269 miles away |
|---|---|
| Closer regional airport | Aberdeen Regional Airport (ABR)68 miles away |
| Nearest city of 250,000+ | Omaha, NE266 miles away |
| Nearest city of 1 million+ | Chicago, IL593 miles away |
Straight-line distances from the center of St. Lawrence; 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.
St. Lawrence had 163 residents in the 2020 census, down 22% since 2000.
It’s the 249th largest of 440 towns in South Dakota by population.
Hand County grew from 4,525 residents in 1900 to 3,145 in 2020.
Hand County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 7°F. About 22.4 inches of rain and melted snow fall in a typical year, with about 44 inches of snow.
Source: NOAA 1991–2020 climate normals, Miller, SD weather station (5 miles away).
1,053 jobs at 135 businesses in Hand 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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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.