Gann Valley is a community in Buffalo County, South Dakota, home to about 6 people across 0.1 square miles. It has no ZIP code of its own: it’s part of 57341.
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| Nearest major airport | Eppley Airfield (OMA)249 miles away |
|---|---|
| Closer regional airport | Pierre Regional Airport (PIR)65 miles away |
| Nearest city of 250,000+ | Omaha, NE246 miles away |
| Nearest city of 1 million+ | Chicago, IL595 miles away |
Straight-line distances from the center of Gann Valley; 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.
Gann Valley had 10 residents in the 2020 census, down 29% since 2010.
It’s the 430th largest of 440 towns in South Dakota by population.
Buffalo County grew from 1,790 residents in 1900 to 1,948 in 2020.
Buffalo County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 4°F. About 22.7 inches of rain and melted snow fall in a typical year, with about 41 inches of snow.
Source: NOAA 1991–2020 climate normals, Gann Valley 3 Nne, SD weather station (4 miles away).
135 jobs at 11 businesses in Buffalo County. The biggest industries by number of businesses:
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.