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City Profile

Castlewood, South Dakota

Population: 698 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
698
People
Median age
36.5
Housing
Total households
292
Income
Median household income
$87,045
Housing
Total housing units
307
Employment
Employment rate
76.8%
Education
Bachelor’s degree or higher
25%
Healthcare
Insured population
90%
City details
Local time 03:00:33(CT)
LocationCastlewood, SD
Population (ZIP areas)1,437(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountyHamlin
Area code
605
TimezoneCentral Time (CT)
Coordinates44.7122987, -96.9943529
Land area124.6 sq miles(322,802,868 m²)

Map of Castlewood, South Dakota with ZIP codes

Map of Castlewood, South Dakota and ZIP codes

ZIP Codes in Castlewood

Explore the ZIP codes that make up Castlewood. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
57223Standard$92,4241,437

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Castlewood, SD.

Estelline, SDHayti, SDGoodwin, SDLake Norden, SDKranzburg, SDClear Lake, SDWatertown, SDBruce, SD

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS