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:
- MEMORIAL CARE UNIT (about 15 miles; WATERTOWN, SD)
- PRAIRIE LAKES HOSP & CARE CTR (about 15 miles; WATERTOWN, SD)
- DEUEL COUNTY MEMORIAL HOSP &CLINIC-CAH (about 24 miles; CLEAR LAKE, SD)
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:
- ARLINGTON MUNI (about 25 miles; ARLINGTON, SD; Abbreviation: 3A9)
- CLEAR LAKE MUNI (about 25 miles; CLEAR LAKE, SD; Abbreviation: 5H3)
- LAKE PRESTON MUNI (about 36 miles; LAKE PRESTON, SD; Abbreviation: Y34)
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)