Demographics in Eureka, SD
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Eureka?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
946
Male
438
46.3%
Female
508
53.7%
Median Age
58.7
Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White93.1%
Black4.0%
Hispanic0.4%
Two or More2.3%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
15.1%
High School or Higher
43.1%
Foreign Born
1.7%
Veterans
9.5%
Married
38.0%
Avg Household Size
2.1
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Eureka, SD has a population of 946 with a median age of 58.7. The racial makeup is 93.1% White, 0.4% Hispanic, 4.0% Black. About 15.1% of residents hold a bachelor's degree or higher. The foreign-born population is 1.7%.