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ZIP Code Database - Facts & Stats

Data Last Updated: January 1, 2022

ZIP Codes for City of Castlewood, SD

Castlewood, SD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 57223StandardHamlin1,356605

Timezone(s):Central (GMT -06:00)
Counties:HAMLIN, SD
Population:627 (More Details)
Male Population:315
Female Population:312
Median Age:36
ZIP Codes:1
Area Codes:1
Total Area:538 square miles (county)
Land Area:507 square miles (county)
Water Area:31 square miles (county)

Castlewood, SD Demographic Information *

Total population627
Male population315
Female population312
Median age (years)36.2
White Population605
Black Population3
Indian Population3
Asian Population1
Hawaiian Population0
Hispanic Population11
Median age (Male)34.4
Median age (Female)39.4
Total households260
Family households (families)158
Average household size2.41
Average family size3.16
Total housing units292
* Demographic data is based on 2010 Census.

Castlewood, SD Other Information

37 Cities within 30 miles of Castlewood, SD Products


  1. U.S. Postal Service [Last Updated: 1/1/2022],
  2. Internal Data Creation [Last Updated: 1/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],