Hosmer is a city in McPherson County, South Dakota, home to about 289 people across 1.0 square miles. Its ZIP code is 57448.
Mostly Hosmer
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)308 miles away |
|---|---|
| Closer regional airport | Aberdeen Regional Airport (ABR)52 miles away |
| Nearest city of 250,000+ | Minneapolis, MN305 miles away |
| Nearest city of 1 million+ | Chicago, IL643 miles away |
Straight-line distances from the center of Hosmer; 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.
Hosmer had 164 residents in the 2020 census, down 43% since 2000.
It’s the 202nd largest of 440 towns in South Dakota by population.
McPherson County grew from 6,327 residents in 1900 to 2,411 in 2020.
McPherson 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 3°F. About 21.4 inches of rain and melted snow fall in a typical year, with about 47 inches of snow.
Source: NOAA 1991–2020 climate normals, Roscoe, SD weather station (11 miles away).
352 jobs at 73 businesses in McPherson 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.
Public schools here are run by Edmunds Central School District 22-5. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Boulder Colony School - 06Hosmer | K–8 | 12 | Public | 3.2 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.