Castle Rock, South Dakota
Castle Rock: Situated on the high plains of western South Dakota in Butte County, this unincorporated community lies north of the Black Hills region at an elevation of 3140 feet.
About
Castle Rock is a city located in the county of Butte in the U.S. state of South Dakota.
Quick Facts about Castle Rock
| State | South Dakota (United States) |
| County | Butte County |
| Latitude & Longitude | 44.9644,-103.4244 |
| Time Zone | America/Denver |
| Local time | 18:45:18 (6th November 2026) |
| Weather | 30℉ Patchy Fog 7-days weather |
Geography
Castle Rock is located at 44°57'52"N 103°25'28"W (44.9644300, -103.4243500).
Castle Rock map
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Weather
30°F
Patchy Fog
5 to 12 mph SE
Tonight
Patchy fog after 11pm. Partly cloudy, with a low around 30. Southeast wind 5 to 12 mph, with gusts as high as 20 mph.
7-Day ForecastClosest post offices linked to Castle Rock.
| Post Office Name | City | ZIP |
|---|---|---|
| Newell Post Office | Newell (SD) | 57760 |
Other places with the same name (2)
- Castle Rock, Colorado The most populous city in Douglas County, Colorado. with a population of 70,567 people.
- Castle Rock, Washington city in Cowlitz County, Washington, United States. with a population of 2,304 people.
Other cities in Butte County
Cities, towns, neighborhoods & other populated places in Butte County , SD.
| City Name | Population | Title |
|---|---|---|
| Belle Fourche | 5,742 | City in and county seat of Butte County, South Dakota, United States |