Seneca, South Dakota
Seneca: Town in South Dakota, United States of America
About
Seneca is a town located in the county of Faulk in the U.S. state of South Dakota. Its population at the 2010 census was 38 and a population density of 35 people per km². After 10 years in 2020 city had an estimated population of 37 inhabitants.
Quick Facts about Seneca
| Population : | 37 (2020) |
| Country : | United States of America |
| State : | South Dakota (United States) |
| County : | Faulk County |
| Postal code : | 57473 |
| Phone Area Codes : | 605 |
| Area : | 1.08 km2 |
| Altitude : | 1,906 feet / 581 meters |
| Time Zone : | UTC−06:00 |
| Local time : | 14:28:29 (5th December 2025) |
| Density : | 34 Pop. per km² as of 2020 |
| Population growth : | -2.7% (2010-2020) |
Geography
Seneca is located at 45°3'42"N 99°30'43"W (45.0616400, -99.5120600).
Seneca map
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Demographics
According to census records, the population of Seneca decreased by 2.7% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 38 | - | census |
| 2011 | 38 | 0% | estimation process |
| 2012 | 38 | 0% | estimation process |
| 2013 | 38 | 0% | estimation process |
| 2014 | 37 | -2.7% | estimation process |
| 2015 | 37 | 0% | estimation process |
| 2016 | 37 | 0% | estimation process |
| 2017 | 37 | 0% | estimation process |
| 2018 | 36 | -2.78% | estimation process |
| 2019 | 37 | 2.7% | estimation process |
| 2020 | 37 | 0% | estimation process |
Seneca zip code is 57473.
County name: Faulk, County
fips: 46049
Seminole, Seneca
Other places with the same name (8)
- Seneca , South Carolina city in South Carolina with a population of 8,564 people.
- Seneca , Missouri city in Missouri with a population of 2,394 people.
- Seneca , Illinois village in Illinois with a population of 2,179 people.
- Seneca , Kansas city in Kansas with a population of 2,079 people.
- Seneca , Michigan township in Lenawee County, Michigan with a population of 1,181 people.
- Seneca , Wisconsin town in Crawford County, Wisconsin, United States with a population of 1,051 people.
- Seneca , Oregon city in Oregon, USA with a population of 225 people.
Other cities in Faulk County
Cities, towns, neighborhoods & other populated places in Faulk County , SD.
| City Name | Population | Title |
|---|---|---|
| Faulkton | 708 | City in and county seat of Faulk County, South Dakota, United States |
| Cresbard | 101 | Town in South Dakota, United States of America |
| Zell | 63 | Human settlement in South Dakota, United States of America |
| Orient | 47 | Town in South Dakota, United States of America |
| Rockham | 33 | Town in South Dakota, United States of America |
| Chelsea | 26 | Town in South Dakota, United States of America |
| Devoe | 24 | Township in Faulk County, South Dakota |
| Onaka | 14 | Town in South Dakota, United States of America |
