Folsom, South Dakota
Folsom: Situated in Custer County at an elevation of 2887 feet, this unincorporated community lies in southwestern South Dakota, east of the Black Hills.
About
Folsom is a city located in the county of Custer in the U.S. state of South Dakota.
Quick Facts about Folsom
| State | South Dakota (United States) |
| County | Custer County |
| Latitude & Longitude | 43.8253,-102.8699 |
| Time Zone | America/Denver |
| Local time | 01:39:41 (7th November 2026) |
| Weather | 33℉ Mostly Clear 7-days weather |
Geography
Folsom is located at 43°49'31"N 102°52'12"W (43.8252700, -102.8699000).
Folsom map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Weather
33°F
Mostly Clear
2 to 7 mph W
Friday Night
Mostly clear, with a low around 33. West wind 2 to 7 mph.
7-Day ForecastNearby Schools and Colleges
Schools and campuses linked to Folsom, SD. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 219480 | Western Dakota Technical Institute | Rapid City (SD) | 57703-4018 |
Closest post offices linked to Folsom.
| Post Office Name | City | ZIP |
|---|---|---|
| Caputa Post Office | Caputa (SD) | 57725 |
Other places with the same name (2)
- Folsom, California A city in Sacramento County, California. with a population of 82,726 people.
- Folsom, New Jersey borough of New Jersey, United States. with a population of 1,776 people.
Other cities in Custer County
Cities, towns, neighborhoods & other populated places in Custer County , SD.
| City Name | Population | Title |
|---|---|---|
| Custer | 1,926 | City in and county seat of Custer County, South Dakota, United States |