Reliance is a town in Lyman County, South Dakota, home to about 211 people across 1.1 square miles. Its ZIP code is 57569.
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| Nearest major airport | Eppley Airfield (OMA)259 miles away |
|---|---|
| Closer regional airport | Pierre Regional Airport (PIR)49 miles away |
| Nearest city of 250,000+ | Omaha, NE255 miles away |
| Nearest city of 1 million+ | Chicago, IL620 miles away |
Straight-line distances from the center of Reliance; 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.
Reliance had 128 residents in the 2020 census, down 38% since 2000.
It’s the 229th largest of 440 towns in South Dakota by population.
Lyman County grew from 2,632 residents in 1900 to 3,718 in 2020.
Lyman County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 9°F. About 20.8 inches of rain and melted snow fall in a typical year, with about 40 inches of snow.
Source: NOAA 1991–2020 climate normals, Kennebec, SD weather station (13 miles away).
621 jobs at 87 businesses in Lyman 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.
Parks (1 nearby)
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.
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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.