Agar
Town in Sully County, South Dakota

Agar is a town in Sully County, South Dakota, with 68 residents (2020 Census). It sits at 1,850 ft (564 m) above sea level. The nearest town is Onida, 9.3 miles S.
- 68residents (2020 Census)
- 1,850 ftelevation · 564 m
- 0.2 sq miland area · 0.5 km²
- 332 / sq mipopulation density
- 57520ZIP code
About Agar
Agar (; AY-gar) is a small town in Sully County, South Dakota, United States. As of the 2020 census, Agar had a population of 68. Agar is a farm/ranch service center.
Text: Wikipedia · CC BY-SA 4.0
Agar weather: 7-day forecast
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Living in Agar
- Median home value
- $114,200
- Median age
- 54.1
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Map of Agar
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Open in Google Maps ›Agar, SD population
Agar had 68 residents in the 2020 Census.
| 2020 Census | 68 |
|---|---|
| Density | 332 per sq mi (128 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Agar at a glance
| State | South Dakota (SD) |
|---|---|
| County | Sully County |
| Type | Town |
| Population | 68 (2020) |
| Land area | 0.21 sq mi (0.5 km²) |
| Elevation | 1,850 ft (564 m) |
| Coordinates | 44.8397° N, 100.0735° W |
| ZIP code | 57520 |
| Census code (GEOID) | 4600460 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Agar
- Onida9.3 mi S
- Gettysburg12.9 mi NE
- Swift Bird20.5 mi NW
- Lebanon21.8 mi NE
- Blunt22.8 mi S
- Harrold27.1 mi SE
- Cow Creek27.9 mi SW
- Oahe Acres29.1 mi SW
- Hoven31.3 mi NE
- Seneca31.5 mi NE
- Lowry33.2 mi N
- Tolstoy33.9 mi NE
Straight-line distance between town centers.
Frequently asked questions about Agar
What county is Agar in?
Agar is in Sully County, South Dakota.
What is the population of Agar, SD?
68 people lived in Agar at the 2020 Census.
What is the ZIP code of Agar, SD?
The ZIP code of Agar is 57520.
What is the elevation of Agar?
1,850 feet (564 m) above sea level.
What towns are near Agar?
Onida (9.3 mi), Gettysburg (12.9 mi), Swift Bird (20.5 mi), Lebanon (21.8 mi), Blunt (22.8 mi).
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