Seneca
Town in Faulk County, South Dakota

Seneca is a town in Faulk County, South Dakota, with 22 residents (2020 Census). It sits at 1,906 ft (581 m) above sea level. The nearest town is Onaka, 9.3 miles N.
- 22residents (2020 Census)
- 1,906 ftelevation · 581 m
- 0.4 sq miland area · 1.1 km²
- 53 / sq mipopulation density
- 57473ZIP code
About Seneca
Seneca is a town in Faulk County, South Dakota, United States. The population was 22 at the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
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Open in Google Maps ›Seneca, SD population
Seneca had 22 residents in the 2020 Census.
| 2020 Census | 22 |
|---|---|
| Density | 53 per sq mi (20 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Seneca at a glance
| State | South Dakota (SD) |
|---|---|
| County | Faulk County |
| Type | Town |
| Population | 22 (2020) |
| Land area | 0.42 sq mi (1.1 km²) |
| Elevation | 1,906 ft (581 m) |
| Coordinates | 45.0608° N, 99.5092° W |
| ZIP code | 57473 |
| Census code (GEOID) | 4658180 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Seneca
- Onaka9.3 mi N
- Tolstoy11.4 mi NW
- Brentwood Colony12.0 mi NE
- Lebanon12.6 mi W
- Thunderbird Colony15.0 mi NE
- Hoven18.1 mi NW
- Faulkton18.8 mi E
- Blumengard Colony20.7 mi NE
- Gettysburg22.0 mi W
- Evergreen Colony23.1 mi E
- Orient23.3 mi SE
- Bowdle27.9 mi N
Straight-line distance between town centers.
Frequently asked questions about Seneca
What county is Seneca in?
Seneca is in Faulk County, South Dakota.
What is the population of Seneca, SD?
22 people lived in Seneca at the 2020 Census.
What is the ZIP code of Seneca, SD?
The ZIP code of Seneca is 57473.
What is the elevation of Seneca?
1,906 feet (581 m) above sea level.
What towns are near Seneca?
Onaka (9.3 mi), Tolstoy (11.4 mi), Brentwood Colony (12.0 mi), Lebanon (12.6 mi), Thunderbird Colony (15.0 mi).
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