Eureka city, South Dakota
Eureka city profile, demographic data, and geographic information.
Eureka city is a geographic entity located in McPherson County, South Dakota. As of official census estimates, it has a reported population of 775. The land area covers 0.93 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 775 | — | 2025 / Census |
| Median Age | 63.1 yrs | ±5 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 400 | ±61 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 532 | ±80 |
| Occupied Housing Units | 400 | ±61 |
| Vacant Housing Units | 132 | ±47 |
| Median Home Value | $78,200 | ±$13,027 |
| Median Gross Rent | $557 | ±$95 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $47,583 | ±$9,390 |
| Per Capita Income | $45,554 | ±$16,799 |
| Poverty Rate | 15.2% | ±7.1% |
| Population Below Poverty Level | 103 | ±52 |
| Unemployment Rate | 0.3% | ±1.3% |
| Civilian Labor Force, Employed | 313 | ±69 |
| Broadband Internet Rate | 78.3% | ±4.5% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
CITY OF EUREKA
GUS Population: 759 (2024)
ID: 187487
|
Municipal | Official Local Government |
Contact: FINANCE OFFICER
PO BOX 655, EUREKA SD 57437-0655
|
|
COUNTY OF MCPHERSON
GUS Population: 2,307 (2024)
ID: 134545
|
County | Official County Government |
Contact: AUDITOR
PO BOX 390, LEOLA SD 57456-0390
|
Education
Listing 6 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Eureka | PK-06 | Eureka, SD | |
| Regular School Eureka | 09-12 | Eureka, SD | |
| Regular School Eureka | 07-08 | Eureka, SD | |
| Regular School Nearby | KG-08 | Hosmer, SD | |
| Regular School Nearby | PK-06 | Zeeland, ND | |
| Regular School Nearby | 07-12 | Zeeland, ND |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 4 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
EUREKA COMMUNITY HEALTH SERVICES - CAH
|
Hospital | City address association | 200 J AVE POST OFFICE BOX 517, EUREKA, SD, 57437 |
(605) 284-2661
|
|
KATHRYN SCHULKOSKI PUBLIC LIBRARY
|
Library | 0.2 mi away | 705 8TH STREET, EUREKA, SD, 57437 |
(605) 284-2863
|
|
ASHLEY PUBLIC LIBRARY
|
Library | 21.8 mi away | 113 FIRST AVENUE NW, ASHLEY, ND, 58413 |
(701) 288-3510
|
|
BOWDLE PUBLIC LIBRARY
|
Library | 22.0 mi away | 3043 MAIN STREET, BOWDLE, SD, 57428 |
(605) 285-6464
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at EUREKA, SD US, located 0.4 miles from Eureka city. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 20.5° | 1.8° | 11.2° | 0.36" | 6.9" |
| February | 25.0° | 5.6° | 15.3° | 0.52" | 7.6" |
| March | 38.3° | 17.5° | 27.9° | 0.82" | 8.5" |
| April | 54.3° | 29.6° | 41.9° | 1.64" | 4.7" |
| May | 66.7° | 42.2° | 54.5° | 3.18" | 0.0" |
| June | 76.1° | 52.8° | 64.5° | 3.78" | 0.0" |
| July | 82.1° | 57.8° | 70.0° | 3.10" | 0.0" |
| August | 81.0° | 55.6° | 68.3° | 2.24" | 0.0" |
| September | 71.9° | 45.9° | 58.9° | 1.79" | 0.0" |
| October | 55.5° | 31.9° | 43.7° | 1.74" | 2.0" |
| November | 38.6° | 18.6° | 28.6° | 0.54" | 6.3" |
| December | 25.4° | 7.8° | 16.6° | 0.54" | 8.3" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Eureka city | City | 0.0 mi | — |
| Hillsview town | Town | 8.1 mi | — |
| Artas town | Town | 12.0 mi | — |
| Hosmer city | City | 15.1 mi | — |
| Venturia city | City | 16.0 mi | — |
| Zeeland city | City | 17.3 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4608920180. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.