Groton, South Dakota
Groton: City in Brown County, South Dakota, United States
About
Groton is a city located in the county of Brown in the U.S. state of South Dakota. Its population at the 2010 census was 118 and a population density of 26 people per km². After 10 years in 2020 city had an estimated population of 121 inhabitants.
The city was created 137 years ago in 1887.
Quick Facts about Groton
| Population : | 121 (2020) |
| Country : | United States of America |
| State : | South Dakota (United States) |
| County : | Brown County |
| Postal code : | 57445 |
| Phone Area Codes : | 605 |
| Area : | 4.54 km2 |
| Altitude : | 1,302 feet / 397 meters |
| Establishment : | January 01, 1888 (137 years ago) |
| Time Zone : | UTC−06:00 |
| Local time : | 01:58:43 (5th December 2025) |
| Density : | 27 Pop. per km² as of 2020 |
| Population growth : | 2.48% (2010-2020) |
Geography
Groton is located at 45°26'51"N 98°5'55"W (45.4474600, -98.0987100).
Groton map
icon to open full mode. View satellite images
- Official Website
Official website of Groton
Demographics
The population of Groton increased by 2.48% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 118 | - | census |
| 2011 | 118 | 0% | estimation process |
| 2012 | 121 | 2.48% | estimation process |
| 2013 | 121 | 0% | estimation process |
| 2014 | 119 | -1.68% | estimation process |
| 2015 | 119 | 0% | estimation process |
| 2016 | 122 | 2.46% | estimation process |
| 2017 | 122 | 0% | estimation process |
| 2018 | 121 | -0.83% | estimation process |
| 2019 | 120 | -0.83% | estimation process |
| 2020 | 121 | 0.83% | estimation process |
People born in Groton (1)
American jockey Earl Sande was born in Groton
Schools in Groton
College & universities near Groton, SD
| Code | Name | City | ZIP |
|---|---|---|---|
| 219259 | Northern State University | Aberdeen (SD) | 57401-7198 |
| 219295 | Presentation College | Aberdeen (SD) | 57401-1280 |
Other places with the same name (6)
- Groton , Connecticut town in Connecticut with a population of 38,258 people.
- Groton , Massachusetts town in Connecticut with a population of 11,256 people.
- Groton , New York town in Tompkins County, New York, United States with a population of 2,156 people.
- Groton , Vermont town in Caledonia County, Vermont with a population of 954 people.
- Groton , New Hampshire human settlement in Grafton County, New Hampshire, United States of America with a population of 610 people.
Other cities in Brown County
Cities, towns, neighborhoods & other populated places in Brown County , SD.
| City Name | Population | Title |
|---|---|---|
| Aberdeen | 930 | City in and the county seat of Brown County, South Dakota, United States |
| Bath | 747 | Unincorporated community in South Dakota |
| Warner | 593 | Town in Brown County, South Dakota, United States |
| Ordway | 295 | Township in Brown County, South Dakota |
| Claremont | 122 | Town in Brown County, South Dakota, United States |
| Columbia | 108 | City in Brown County, South Dakota, United States |
| Westport | 107 | Town in Brown County, South Dakota, United States |
| Putney | 104 | Human settlement in United States of America |
| Stratford | 74 | Town in South Dakota, United States of America |
| Frederick | 61 | Town in Brown County, South Dakota, United States |
| Hecla | 52 | Township in Brown County, South Dakota |
