Mount Vernon is a city in Davison County, South Dakota, home to about 442 people across 0.3 square miles. Its ZIP code is 57363.
Homes sold for a median of $184 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Mount Vernon. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mount Vernon’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Eppley Airfield (OMA)206 miles away |
|---|---|
| Closer regional airport | Sioux Falls Regional Airport (FSD)77 miles away |
| Nearest city of 250,000+ | Omaha, NE203 miles away |
| Nearest city of 1 million+ | Chicago, IL552 miles away |
Straight-line distances from the center of Mount Vernon; 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.
Mount Vernon had 461 residents in the 2020 census, down 3% since 2000.
It’s the 164th 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 87°F in summer, and winter lows average 9°F. About 25.9 inches of rain and melted snow fall in a typical year, with about 41 inches of snow.
Source: NOAA 1991–2020 climate normals, Mitchell, SD weather station (10 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).
1 doctors and other health care providers list an office in Mount Vernon.
Nearest hospitals
Providers with an office here
| Mental health providers | 1 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Museums (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.
Public schools here are run by Mount Vernon School District 17-3. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mount Vernon Elementary - 02Mount Vernon | Pre-K–5 | 110 | Public | 0.4 mi |
| Mount Vernon Middle School - 03Mount Vernon | 6–8 | 58 | Public | 0.4 mi |
| Mount Vernon High School- 01Mount Vernon | 9–12 | 87 | Public | 0.4 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.