Onida
City in Sully County, South Dakota

Onida is a city in Sully County, South Dakota, with 666 residents (2020 Census). It sits at 1,873 ft (571 m) above sea level. The nearest town is Agar, 9.3 miles N.
- 666residents (2020 Census)
- 1,873 ftelevation · 571 m
- 0.7 sq miland area · 1.7 km²
- 991 / sq mipopulation density
- 57564ZIP code
About Onida
Onida is a city in and the county seat of Sully County, South Dakota, United States. The population was 666 as of the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
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Living in Onida
- Median household income
- $70,000
- Median home value
- $178,600
- Median rent
- $939/mo
- Median age
- 42.2
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Map of Onida
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Open in Google Maps ›Onida, SD population
Onida had 666 residents in the 2020 Census.
| 2020 Census | 666 |
|---|---|
| Density | 991 per sq mi (383 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Onida at a glance
| State | South Dakota (SD) |
|---|---|
| County | Sully County |
| Type | City |
| Population | 666 (2020) |
| Land area | 0.67 sq mi (1.7 km²) |
| Elevation | 1,873 ft (571 m) |
| Coordinates | 44.7049° N, 100.0675° W |
| ZIP code | 57564 |
| Official website | onida.org |
| Census code (GEOID) | 4647180 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Onida
- Agar9.3 mi N
- Blunt13.6 mi S
- Harrold20.3 mi SE
- Oahe Acres21.5 mi SW
- Gettysburg21.5 mi N
- Cow Creek22.4 mi SW
- Pierre26.0 mi SW
- Fort Pierre28.0 mi SW
- Swift Bird28.3 mi NW
- Lebanon29.1 mi NE
- Seneca36.8 mi NE
- Hoven39.7 mi N
Straight-line distance between town centers.
Frequently asked questions about Onida
What county is Onida in?
Onida is in Sully County, South Dakota.
What is the population of Onida, SD?
666 people lived in Onida at the 2020 Census.
What is the ZIP code of Onida, SD?
The ZIP code of Onida is 57564.
What is the elevation of Onida?
1,873 feet (571 m) above sea level.
What towns are near Onida?
Agar (9.3 mi), Blunt (13.6 mi), Harrold (20.3 mi), Oahe Acres (21.5 mi), Gettysburg (21.5 mi).
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