HomeSouth DakotaMcPherson CountyEureka
Eureka, South Dakota: commercial real estate data.
Eureka is a Census city of 778 people across 0.93 square miles of land, in McPherson County. Median household income is $47,583, 81.8 percent of occupied homes are owned.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Eureka
What Eureka is
- Census place typecity
- Land area0.93 sq mi
- Water area0.07 sq mi
- Population per square mile of land834
- County holding the largest share of its areaMcPherson County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Eureka
How many people live in Eureka
- Population778
- Median age63.1
- Population under 18107 plus or minus 47
- Share under 1813.8 percent plus or minus 5.7
- Population 65 and over367 plus or minus 99
- Share 65 and over47.2 percent plus or minus 10.1
- Households400
- Family households184 plus or minus 46
- Share of households that are families46.0 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Eureka
Income and work in Eureka
- Median household income$47,583
- Per capita income$45,554 plus or minus $16,799
- Civilian labor force314 plus or minus 69
- Employed313 plus or minus 69
- Unemployed1 plus or minus 4
- Unemployment rate0.3 percent plus or minus 1.3
- Adults 25 and over597
- Adults 25 and over with a high school diploma or higher81.2 percent
- Adults 25 and over with a bachelor degree or higher21.9 percent plus or minus 7.5
- Adults 25 and over with a graduate degree2.2 percent plus or minus 2.7
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Eureka
Housing in Eureka
- Housing units532
- Occupied units400
- Vacant units132 plus or minus 47
- Vacancy rate24.8 percent plus or minus 8.0
- Owner occupied327
- Renter occupied73 plus or minus 29
- Ownership rate81.8 percent
- Median owner-occupied home value$78,200
- Median gross rent, monthly$557
- Annual rent as a share of median income14.0 percent plus or minus 3.7
- Single family units438
- Share single family82.3 percent
- Units in buildings of two or more75 plus or minus 38
- Share in buildings of two or more14.1 percent plus or minus 6.8
- Mobile homes15 plus or minus 20
- Median year structure built1958
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Eureka
How Eureka gets to work
- Workers 16 and over who commute312 plus or minus 70
- Commuting under 15 minutes194 plus or minus 62
- Share commuting under 15 minutes62.2 percent plus or minus 14.4
- Commuting 30 minutes or more108 plus or minus 48
- Share commuting 30 minutes or more34.6 percent plus or minus 13.2
- Drove alone70.9 percent
- Carpooled20.8 percent plus or minus 9.1
- Public transport0.0 percent
- Walked8.0 percent plus or minus 5.5
- Worked from home0.3 percent plus or minus 1.0
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Eureka
Flood risk in Eureka
- NFIP communityCity of Eureka
- NFIP community number460173
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date10/01/86(L)
The City of Eureka participates in the National Flood Insurance Program as community 460173 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
McPherson County, not Eureka
McPherson County context, not Eureka figures
- Establishments in McPherson County73
- Covered employment, McPherson County560
- Average annual pay, McPherson County$41,808
- Housing units permitted, McPherson County8
Every figure in this section is published for McPherson County as a whole and is not a measurement of Eureka.
All McPherson County figures →
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Eureka questions, answered from the record.
How many people live in Eureka, South Dakota?
778, in 400 households. Eureka city covers 0.93 square miles of land, which is 834 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Eureka in?
McPherson County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Eureka?
$47,583. The median owner-occupied home is valued at $78,200. Median gross rent is $557 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Is Eureka in the National Flood Insurance Program?
Yes. Eureka appears in the FEMA Community Status Book as Eureka, city of, community 460173, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Eureka figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for McPherson County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Eureka.
Is zoning published for Eureka?
No. Nothing on this page presents parcel level zoning.
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