In 2023, Eureka, SD had a population of 946 people with a median age of 58.7 and a median household income of $34,167. Between 2022 and 2023 the population of Eureka, SD grew from 910 to 946, a 3.96% increase and its median household income grew from $29,333 to $34,167, a 16.5% increase.
The 5 largest ethnic groups in Eureka, SD are White (Non-Hispanic) (93.1%), Black or African American (Non-Hispanic) (4.02%), Two+ (Non-Hispanic) (1.9%), Two+ (Hispanic) (0.423%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0.317%).
None of the households in Eureka, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.3% of the residents in Eureka, SD are U.S. citizens.
In 2023, the median property value in Eureka, SD was $69,800, and the homeownership rate was 79.6%.
Most people in Eureka, SD drove alone to work, and the average commute time was 16.3 minutes. The average car ownership in Eureka, SD was 2 cars per household.