Demographics in Castlewood, SD
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Castlewood?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
756
Male
378
50.0%
Female
378
50.0%
Median Age
36.9
Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White88.6%
Black0.7%
Hispanic0.7%
Two or More9.3%
Other1.5%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
16.1%
High School or Higher
38.1%
Foreign Born
0.8%
Veterans
5.6%
Married
45.8%
Avg Household Size
2.7
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Castlewood, SD has a population of 756 with a median age of 36.9. The racial makeup is 88.6% White, 0.7% Hispanic, 0.7% Black. About 16.1% of residents hold a bachelor's degree or higher. The foreign-born population is 0.8%.