Castlewood, SD zip code
Castlewood, South Dakota uses one zip code: 57223. Most of it is in Hamlin County. Together these zip codes are home to about 1.4K people.
Zip codes
1
Population
1.4K
All zips combined
Largest zip
57223
1,429 residents
Zip codes in Castlewood
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 57223 | 1,429 | $92,424 |