Roslyn
Town in Day County, South Dakota

Roslyn is a town in Day County, South Dakota, with 181 residents (2020 Census). It sits at 1,864 ft (568 m) above sea level. The nearest town is Grenville, 5.4 miles E.
- 181residents (2020 Census)
- 1,864 ftelevation · 568 m
- 0.2 sq miland area · 0.6 km²
- 830 / sq mipopulation density
- 57261ZIP code
About Roslyn
Roslyn (Dakota: Eya Šiča) is a town in northern Day County, South Dakota, United States. The population was 181 at the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
Roslyn weather: 7-day forecast
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Source: National Weather Service (NOAA).
Nearest webcams to Roslyn
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Webcams: Windy.com
Living in Roslyn
- Median household income
- $49,375
- Median home value
- $96,300
- Median rent
- $525/mo
- Median age
- 53.1
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Map of Roslyn
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Roslyn Street View
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Open in Google Maps ›Roslyn, SD population
Roslyn had 181 residents in the 2020 Census.
| 2020 Census | 181 |
|---|---|
| Density | 830 per sq mi (320 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Roslyn at a glance
| State | South Dakota (SD) |
|---|---|
| County | Day County |
| Type | Town |
| Population | 181 (2020) |
| Land area | 0.22 sq mi (0.6 km²) |
| Elevation | 1,864 ft (568 m) |
| Coordinates | 45.4966° N, 97.4927° W |
| ZIP code | 57261 |
| Census code (GEOID) | 4656380 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Roslyn
- Grenville5.4 mi E
- Eden9.0 mi NE
- Enemy Swim11.0 mi SE
- Webster11.2 mi S
- Waubay14.4 mi SE
- Clear Lake14.5 mi NE
- Bristol16.2 mi SW
- Lake City16.2 mi N
- Pierpont16.4 mi W
- Ortley17.9 mi SE
- Langford17.9 mi NW
- Butler19.4 mi SW
Straight-line distance between town centers.
Frequently asked questions about Roslyn
What county is Roslyn in?
Roslyn is in Day County, South Dakota.
What is the population of Roslyn, SD?
181 people lived in Roslyn at the 2020 Census.
What is the ZIP code of Roslyn, SD?
The ZIP code of Roslyn is 57261.
What is the elevation of Roslyn?
1,864 feet (568 m) above sea level.
What towns are near Roslyn?
Grenville (5.4 mi), Eden (9.0 mi), Enemy Swim (11.0 mi), Webster (11.2 mi), Waubay (14.4 mi).
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