Ethan is a town in Davison County, South Dakota, home to about 346 people across 0.3 square miles. Its ZIP code is 57334.
Mostly Ethan; also New Elm Spring Colony
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| Nearest major airport | Eppley Airfield (OMA)188 miles away |
|---|---|
| Closer regional airport | Sioux Falls Regional Airport (FSD)62 miles away |
| Nearest city of 250,000+ | Omaha, NE186 miles away |
| Nearest city of 1 million+ | Chicago, IL536 miles away |
Straight-line distances from the center of Ethan; 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.
Ethan had 365 residents in the 2020 census, up 11% since 2000.
It’s the 184th largest of 440 towns in South Dakota by population.
Davison County grew from 7,483 residents in 1900 to 19,956 in 2020.
Davison County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 6°F. About 25.2 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Alexandria, SD weather station (12 miles away).
11,057 jobs at 727 businesses in Davison 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 Ethan School District 17-1, Parkston School District 33-3. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Ethan Elementary - 02Ethan | Pre-K–6 | 155 | Public | 0.3 mi |
| New Elm Spring Colony Elementary - 08Ethan | Pre-K–8 | 21 | Public | 9.0 mi |
| Ethan Jr. High - 03Ethan | 7–8 | 39 | Public | 0.3 mi |
| Ethan High School - 01Ethan | 9–12 | 93 | Public | 0.3 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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Shares ZIP codes with New Elm Spring Colony.
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.