Sunset Colony is a community in Marshall County, South Dakota, home to about 68 people across 1.0 square miles. It has no ZIP code of its own: it’s part of 57430.
Homes sold for a median of $31 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Britton; part is in Sunset Colony
Each card is that ZIP code’s whole market, including any part outside Sunset Colony. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Sunset Colony’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)228 miles away |
|---|---|
| Closer regional airport | Aberdeen Regional Airport (ABR)41 miles away |
| Nearest city of 250,000+ | Minneapolis, MN225 miles away |
| Nearest city of 1 million+ | Chicago, IL571 miles away |
Straight-line distances from the center of Sunset Colony; 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.
It’s the 352nd largest of 440 towns in South Dakota by population.
Marshall County grew from 5,942 residents in 1900 to 4,306 in 2020.
Marshall 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 0°F. About 24.4 inches of rain and melted snow fall in a typical year, with about 45 inches of snow.
Source: NOAA 1991–2020 climate normals, Britton, SD weather station (about a mile away).
1,184 jobs at 140 businesses in Marshall County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
15 doctors and other health care providers list an office in Sunset Colony.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 4 |
| Physical and occupational therapists | 6 |
| Chiropractors | 2 |
| Pharmacies | 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.
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
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 Britton-Hecla School District 45-4. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Britton-Hecla Elementary - 02Britton | K–5 | 166 | Public | 0.8 mi |
| Sunset Colony Elementary - 04Britton | K–8 | 32 | Public | 7.0 mi |
| Westwood Rural Elementary - 05Britton | K–8 | 38 | Public | 6.1 mi |
| Britton-Hecla Middle School - 03Britton | 6–8 | 97 | Public | 0.7 mi |
| Britton-Hecla High School - 01Britton | 9–12 | 127 | Public | 0.7 mi |
| Sunset Colony High School - 06Britton | 9–12 | 8 | Public | 7.0 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 Britton, Kidder and Westwood 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.