Explore Green Grass, South Dakota, with this interactive street and satellite map. You can “grab” the Green Grass, SD street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
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| City | Green Grass |
| State | South Dakota (SD) |
| County | Dewey |
| Country | United States of America |
| Timezone | Mountain Time (America/Denver) |
| Latitude | 45.171091 |
| Longitude | -101.245985 |
| Population | 78 |
| Density | 3.8 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 57625 |
| Area Code | 605 |
| County Seat | Timber Lake |
| School District | Eagle Butte School District 20-1 |
Green Grass is a locality in Dewey County, South Dakota, United States. It is a small community with a population of 78. The population density is 3.8 people per km². Green Grass is located at 45.1711°N, 101.2460°W. It observes the Mountain Time (America/Denver) timezone. ZIP code: 57625.
Green Grass, South Dakota, is a place where the sky feels vast and the earth breathes a quiet, enduring spirit. It lies 115.3 miles south-south-west of Bismarck, ND (from Bismarck, ND: bearing 191°T), and is situated 11.6 miles north of North Eagle Butte. The landscape here is a study in subtle, rolling contours, a tapestry of grasses and low-lying vegetation that stretches toward horizons punctuated by the distant, hazy shapes of buttes. In the summer, the air hums with the drone of insects and carries the faint, sweet scent of sun-baked earth and wild sage. Dust devils sometimes dance across the fields, ephemeral whirlwinds that stir the dry soil before dissolving back into the immense, indifferent sky. The light, particularly in the late afternoon, casts long, golden shadows that soften the edges of the land, lending a profound sense of peace to the open spaces. The history of Green Grass is tied to the resilience of those who have sought a livelihood from this land, primarily through ranching and agriculture. The economy, though modest, is built on the sturdy foundation of cattle and grain, a rhythm dictated by the seasons and the needs of the earth. Life in Green Grass moves at a pace that allows for observation, for noticing the subtle shifts in weather or the slow, steady growth of crops. There are no grand monuments here, no bustling tourist attractions; instead, the distinctiveness of Green Grass lies in its unpretentious character, its quiet dignity, and the enduring connection between its people and the wide, open country that defines them.
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This page provides an embedded street and satellite map of Green Grass, South Dakota — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 45.171091, -101.245985. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Green Grass and Dewey County.
Detailed location data for Green Grass includes the ZIP code (57625), telephone area code (605), county seat of Dewey County (Timber Lake), and school district assignment (Eagle Butte School District 20-1). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Green Grass is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |