Eureka, SD
Population 946 · South Dakota
About Eureka, SD
Eureka is a small community located in South Dakota with a population of 946 residents according to the latest US Census Bureau American Community Survey data. The median household income is $34,167 per year, which is 55% below the national median of $75,149. The median age of 58.7 years is notably older the US median age of 38.9 years, suggesting a more established community with a higher proportion of long-term residents.
Housing Market Overview
The housing market in Eureka features a median home value of $69,800, which is 71% below the national median of $244,900. This makes Eureka one of the more affordable markets in the country, potentially attractive for first-time homebuyers. Median monthly rent is $557, 52% below the national average of $1,163/month. Of the 582 total housing units, 80% are owner-occupied (331 units) and 20% are renter-occupied (85 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in Eureka shows an unemployment rate of 0.0%, which is lower than the national rate of 3.7%, indicating a relatively strong job market. The poverty rate stands at 16.6%, above the national average of 12.4%. Workers in Eureka have an average one-way commute time of 16.3 minutes, one of the shorter commutes in the region.
Education & Demographics
20.3% of Eureka residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The lower educational attainment rate may reflect the area's industry mix, with more employment in trades, manufacturing, or agricultural sectors. The community's demographic composition includes 0.4% White, 2.5% Hispanic or Latino, 0.0% Black or African American, and 0.0% Asian residents, with 1.7% of the population being foreign-born.
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.
Compare Eureka With Other Cities
Frequently Asked Questions about Eureka
What is the population of Eureka, SD?
The population of Eureka, SD is 946 according to the latest US Census Bureau American Community Survey estimates. This makes it a small community in South Dakota.
What is the median household income in Eureka?
The median household income in Eureka, SD is $34,167 per year, which is 55% below the national median of $75,149.
What is the median home value in Eureka?
The median home value in Eureka, SD is $69,800, which is 71% below the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in Eureka?
The median monthly rent in Eureka, SD is $557, which is 52% below the national average of $1,163/month.
What is the unemployment rate in Eureka?
The unemployment rate in Eureka, SD is 0.0%, compared to the national average of 3.7%. This lower-than-average rate suggests a relatively healthy local job market.
Is Eureka, SD a good place to live?
Eureka offers a moderate cost of living, affordable housing, and a strong job market. With a population of 946 and a median age of 58.7, the city appeals to established professionals and retirees.
How educated is Eureka, SD?
20.3% of residents in Eureka aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The educational profile reflects the area's industry mix and employment landscape.
What is the cost of living in Eureka?
Key cost-of-living indicators for Eureka, SD: median home value is $69,800 (71% below national), median rent is $557/month, and median household income is $34,167. The home-value-to-income ratio is 2.0x, indicating relatively affordable housing relative to local incomes.
What is the poverty rate in Eureka?
The poverty rate in Eureka, SD is 16.6%, compared to the national average of 12.4%. Residents and prospective movers should be aware of the economic challenges facing parts of this community.
How diverse is Eureka, SD?
Eureka's population is 0.4% White, 2.5% Hispanic or Latino, 0.0% Black or African American, 0.0% Asian, and 4.0% two or more races. 1.7% of residents are foreign-born.