Castlewood, SD ZIP Codes, Coordinates & Counties
Castlewood, South Dakota has 1 ZIP code in Hamlin county. The approximate center of Castlewood is 44.716, -97.008. Castlewood has about 13,516 known street addresses.
ZIP codes in Castlewood, SD
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 57223 | Hamlin | 44.716 | -97.008 |
Counties Castlewood spans
Hamlin
Most common streets in Castlewood
4th, Main, 184th, 180th, 6th, 1st, 186th, 185th, 5th, Pearl
Frequently asked questions
What ZIP codes are in Castlewood, SD?
Castlewood, South Dakota has 1 ZIP code, ranging from 57223 to 57223. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Castlewood, SD in?
Castlewood is in Hamlin county.
What are the latitude and longitude of Castlewood, SD?
The approximate center of Castlewood, South Dakota is latitude 44.716, longitude -97.008. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Castlewood, SD have?
Castlewood has 1 ZIP code.
How many addresses are in Castlewood, SD?
Castlewood, South Dakota has about 13,516 known street addresses in the sthan.io US address database.
What are the most common streets in Castlewood, SD?
Some of the most common street names in Castlewood are 4th, Main, 184th, 180th, 6th, 1st.
What cities are near Castlewood, SD?
Cities near Castlewood include Hayti (10 mi), Estelline (10 mi), Lake Norden (13 mi), Goodwin (13 mi), Kranzburg (13 mi).
Cities near Castlewood
Hayti, SD (10 mi) Estelline, SD (10 mi) Lake Norden, SD (13 mi) Goodwin, SD (13 mi) Kranzburg, SD (13 mi) Clear Lake, SD (15 mi) Watertown, SD (16 mi) Badger, SD (18 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database