Ramona is a town in Lake County, South Dakota, home to about 538 people across 0.3 square miles. Its ZIP code is 57054.
Homes sold for a median of $110 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Ramona. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)204 miles away |
|---|---|
| Closer regional airport | Sioux Falls Regional Airport (FSD)45 miles away |
| Nearest city of 250,000+ | Minneapolis, MN204 miles away |
| Nearest city of 1 million+ | Chicago, IL508 miles away |
Straight-line distances from the center of Ramona; 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.
Ramona had 159 residents in the 2020 census, down 16% since 2000.
It’s the 146th largest of 440 towns in South Dakota by population.
Lake County grew from 9,137 residents in 1900 to 11,059 in 2020.
Lake 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 5°F. About 26.4 inches of rain and melted snow fall in a typical year, with about 37 inches of snow.
Source: NOAA 1991–2020 climate normals, Madison 2se, SD weather station (12 miles away).
3,907 jobs at 339 businesses in Lake 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 Oldham-Ramona-Rutland School District 39-6. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Oldham-Ramona-Rutland ElementaryRutland | Pre-K–5 | 116 | Public | 13.6 mi |
| Camridge Colony SchoolRutland | K–8 | 24 | Public | 17.0 mi |
| Oldham-Ramona-Rutland Jr. HighRutland | 6–8 | 41 | Public | 13.6 mi |
| Oldham-Ramona-Rutland High SchoolRutland | 9–12 | 77 | Public | 13.6 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.