Castlewood, South Dakota

Castlewood, South Dakota
The M. O. Hanson Building in Castlewood, July 2013
Motto: 
"A Small Town With A Big Heart"
Location in Hamlin County and the state of South Dakota
Coordinates: 44°43′27″N 97°01′51″W / 44.72417°N 97.03083°W / 44.72417; -97.03083
CountryUnited States
StateSouth Dakota
CountyHamlin
Founded1881
Government
  MayorBrian Ries
Area
  Town
1.15 sq mi (2.98 km2)
  Land1.15 sq mi (2.98 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
1,686 ft (514 m)
Population
 (2020)
  Town
698
  Estimate 
(2022)
707
  Density615/sq mi (237.3/km2)
  Metro
35,073
Time zoneUTC–6 (Central (CST))
  Summer (DST)UTC–5 (CDT)
ZIP Code
57223
Area code605
FIPS code46-10500
GNIS feature ID1267313
Sales tax6.2%
Websitecastlewoodcity.com

Castlewood is a city in Hamlin County, South Dakota, United States. It is part of the Watertown, South Dakota Micropolitan Statistical Area. The population was 698 at the 2020 census. and was estimated to be 707 in 2022.