Grenville, South Dakota
Grenville: Town in South Dakota, United States of America
About
Grenville is a town located in the county of Day in the U.S. state of South Dakota. Its population at the 2010 census was 84 and a population density of 137 people per km². After 10 years in 2020 city had an estimated population of 83 inhabitants.
Quick Facts about Grenville
| Population : | 83 (2020) |
| Country : | United States of America |
| State : | South Dakota (United States) |
| County : | Day County |
| Postal code : | 57239 |
| Phone Area Codes : | 605 |
| Area : | 0.61 km2 |
| Altitude : | 1,864 feet / 568 meters |
| Time Zone : | UTC−06:00 |
| Local time : | 06:49:07 (5th December 2025) |
| Density : | 135 Pop. per km² as of 2020 |
| Population growth : | -1.2% (2010-2020) |
Geography
Grenville is located at 45°28'1"N 97°23'37"W (45.4669000, -97.3937000).
Grenville map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Demographics
According to census records, the population of Grenville decreased by 1.2% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 84 | - | census |
| 2011 | 86 | 2.33% | estimation process |
| 2012 | 84 | -2.38% | estimation process |
| 2013 | 83 | -1.2% | estimation process |
| 2014 | 83 | 0% | estimation process |
| 2015 | 84 | 1.19% | estimation process |
| 2016 | 84 | 0% | estimation process |
| 2017 | 85 | 1.18% | estimation process |
| 2018 | 85 | 0% | estimation process |
| 2019 | 85 | 0% | estimation process |
| 2020 | 83 | -2.41% | estimation process |
Grenville zip code is 57239.
County name: Day, County
fips: 46037
Greenville, Grenville
Schools in Grenville
College & universities near Grenville, SD
| Code | Name | City | ZIP |
|---|---|---|---|
| 219408 | Sisseton Wahpeton College | Sisseton (SD) | 57262 |
Post offices near Grenville
| Post Office Name | City | ZIP |
|---|---|---|
| Grenvill Post Office | Grenville (SD) | 57239 |
Other places with the same name (2)
- Grenville , New Mexico human settlement in Union County, New Mexico, United States of America with a population of 29 people.
Other cities in Day County
Cities, towns, neighborhoods & other populated places in Day County , SD.
| City Name | Population | Title |
|---|---|---|
| Webster | 1,694 | City in and county seat of Day County, South Dakota, United States |
| Waubay | 455 | Township in Day County, South Dakota |
| Butler | 245 | Town in South Dakota, United States of America |
| Roslyn | 165 | Town in Day County, South Dakota, United States |
| Pierpont | 116 | Town in Day County, South Dakota, United States |
| Andover | 106 | Town in Day County, South Dakota, United States |
| Bristol | 57 | City in Day County, South Dakota, United States |
