Eureka, SD
Population 946 · South Dakota
About Eureka, SD
Eureka is a small community in South Dakota with a population of 946 residents. The median household income is $34,167 per year, which is below the national average. The median age in Eureka is 58.7 years.
Housing in Eureka has a median home value of $69,800 and median monthly rent of $557. Of the 582 total housing units, the majority are owner-occupied, with 331 owner-occupied and 85 renter-occupied units.
The unemployment rate in Eureka is 0.0% and the poverty rate is 16.6%. 20.3% of residents hold a bachelor's degree or higher. The average commute time is 16.3 minutes.
How Eureka Ranks in South Dakota
Cost of Living in Eureka, SD
Compared to national averages, Eureka has a median household income of $34,167 (55% below the national median of $75,149). Home values average $69,800, which is 71% below the national median. Monthly rent at $557 is 52% below the US average of $1,163. Within South Dakota, Eureka's income is 47% below the state average of $64,650, and home values are 51% below the state median of $143,757.
Why Live in Eureka, SD?
Eureka offers affordable housing with a median home value of $69,800, below the US average of $244,900, and rent that’s lower than the national average at $557/month, and a strong job market with an unemployment rate of just 0.0%. Additionally, the city features short commute times averaging just 16.3 minutes.
Potential considerations include median household income ($34,167) that falls below the national average. However, Eureka’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Eureka has a population of 946 with a median age of 58.7 years. Compare Eureka with other cities to see how it stacks up, or explore all cities in South Dakota.
Similar Cities Near Eureka
Cities in South Dakota with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Piedmont | 956 | $52,730 | $290,100 | Compare |
| Lake Andes | 934 | $45,714 | $46,700 | Compare |
| Valley Springs | 967 | $97,031 | $178,900 | Compare |
| Elkton | 971 | $58,750 | $183,800 | Compare |
| De Smet | 974 | $60,139 | $155,900 | Compare |
| Agency Village | 911 | $47,569 | $204,200 | Compare |
| Alcester | 987 | $58,661 | $114,400 | Compare |
| Howard | 990 | $54,792 | $93,200 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in South Dakota
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Eureka
What is the population of Eureka, SD?
The population of Eureka, SD is 946 according to the latest Census data.
What is the median household income in Eureka?
The median household income in Eureka, SD is $34,167 per year.
What is the median home value in Eureka?
The median home value in Eureka, SD is $69,800.
What is the average rent in Eureka?
The median monthly rent in Eureka, SD is $557.
What is the unemployment rate in Eureka?
The unemployment rate in Eureka, SD is 0.0%.