Explore Castlewood, South Dakota, with this interactive street and satellite map. You can “grab” the Castlewood, 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 | Castlewood |
| State | South Dakota (SD) |
| County | Hamlin |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 44.722742 |
| Longitude | -97.030068 |
| Population | 804 |
| Density | 253.8 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 57223 |
| Area Code | 605 |
| County Seat | Hayti |
| School District | Castlewood School District 28-1 |
Castlewood is a locality in Hamlin County, South Dakota, United States. It is a small community with a population of 804. The population density is 253.8 people per km². Castlewood is located at 44.7227°N, 97.0301°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 57223.
Castlewood rests as a quiet settlement upon the broad, rolling prairie of eastern South Dakota. It lies 82.7 miles north-north-west of Sioux Falls, SD (from Sioux Falls, SD: bearing 349°T), and is situated 12.9 miles south-south-east of Watertown. The land here is a study in subtle contours, a generous expanse where the horizon seems to stretch forever, broken only by the occasional cluster of farmsteads or the distant shimmer of heat rising from sun-baked fields. The air itself carries a particular clarity, especially in the early morning when the dew still clings to the grasses, lending a soft sheen to the landscape before the sun asserts its dominion. The character of Castlewood is one of weathered resilience, a place that has learned to live in concert with the vast, open sky and the predictable, yet often dramatic, moods of the seasons. The roots of Castlewood are deeply entwined with the agricultural bounty of Hamlin County, a heritage that continues to shape its local economy. For generations, the land has yielded crops, and the steady rhythm of planting and harvest dictates the pulse of daily life. The town itself, though modest in scale, possesses a quiet dignity, a testament to the enduring spirit of those who chose to build their lives here. It’s a place where history isn't always overtly displayed in grand monuments, but rather lives on in the stories shared over coffee at the local diner and in the enduring patterns of the land that have sustained its people for so long.
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This page provides an embedded street and satellite map of Castlewood, South Dakota — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 44.722742, -97.030068. 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 Castlewood and Hamlin County.
Detailed location data for Castlewood includes the ZIP code (57223), telephone area code (605), county seat of Hamlin County (Hayti), and school district assignment (Castlewood School District 28-1). 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 Castlewood 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. |