Castlewood, SD Population

Population: 666. Estimated population in July 2020: 681 (+2.3% change)
Males: 324 (48.6%), Females: 342 (51.4%)

Hamlin County

Zip code: 57223

Median resident age: 35.1 years
Median household income: $36,607
Median house value: $55,600

Races in Castlewood:

  • White Non-Hispanic (98.6%)
  • American Indian (0.9%)
  • Two or more races (0.6%)

Ancestries: German (35.9%), Norwegian (21.6%), Dutch (9.6%), Irish (8.9%), English (6.6%), United States (5.3%).

Elevation: 1690 feet

Land area: 1.1 square miles

Population

For population 25 years and over in Castlewood

  • High school or higher: 86.3%
  • Bachelor’s degree or higher: 16.4%
  • Graduate or professional degree: 3.6%
  • Unemployed: 3.8%
  • Mean travel time to work: 21.7 minutes

For population 15 years and over in Castlewood city

  • Never married: 20.6%
  • Now married: 60.5%
  • Separated: 1.2%
  • Widowed: 9.8%
  • Divorced: 7.9%

0.5% Foreign born

Population change in the 1990s: +99 (+17.5%).

Hospitals

Hospitals/medical centers near Castlewood:

Airports

Airports certified for carrier operations nearest to Castlewood:

  • WATERTOWN MUNI (about 15 miles; WATERTOWN, SD; Abbreviation: ATY)
  • BROOKINGS MUNI (about 33 miles; BROOKINGS, SD; Abbreviation: BKX)
  • JOE FOSS FIELD (about 83 miles; SIOUX FALLS, SD; Abbreviation: FSD)
Other public-use airports nearest to Castlewood:

Colleges and Universities

Colleges/universities with over 2000 students nearest to Castlewood:

  • SOUTH DAKOTA STATE UNIVERSITY (about 30 miles; BROOKINGS, SD; Full-time enrollment: 7,353)
  • SOUTHWEST STATE UNIVERSITY (about 89 miles; MARSHALL, MN; Full-time enrollment: 3,405)
  • NORTH DAKOTA STATE COLLEGE OF SCIENCE (about 111 miles; WAHPETON, ND; Full-time enrollment: 2,176)
  • NORTHERN STATE UNIVERSITY (about 114 miles; ABERDEEN, SD; Full-time enrollment: 2,356)
  • UNIVERSITY OF SOUTH DAKOTA (about 132 miles; VERMILLION, SD; Full-time enrollment: 6,014)
  • RIDGEWATER COLLEGE (about 140 miles; WILLMAR, MN; Full-time enrollment: 2,711)
  • NORTH DAKOTA STATE UNIVERSITY-MAIN CAMPUS (about 153 miles; FARGO, ND; Full-time enrollment: 8,836)

Schools

Public high school in Castlewood:

  • CASTLEWOOD HI SCH (Students: 92; Location: 310 EAST HARRY ST; Grades: 09 – 12)
Public primary/middle schools in Castlewood:

  • CASTLEWOOD ELEM (Students: 146; Location: 310 EAST HARRY ST; Grades: PK – 06)
  • CASTLEWOOD JR HI (Students: 50; Location: 310 EAST HARRY ST; Grades: 07 – 08)
  • CLAREMONT COLONY (Students: 13; Location: 46271 184TH ST; Grades: KG – 08)

Libraries

Library in Castlewood:

  • CASTLEWOOD PUBLIC LIBRARY (Operating income: $6,738; Location: PO BOX 137; 6,340 books)

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