Eureka
A city in McPherson County, South Dakota — population 817 as of 2020.
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This Afternoon
72°F
Mostly Cloudy
Tonight
55°F
Cloudy then Rain Showers78% precip
Friday
64°F
Rain Showers Likely74% precip
Friday Night
52°F
Cloudy5% precip
In and around Eureka
See & do
Shops & services
- Dakota Country Store603 G Ave
- Dakota Country Store603 G Ave
- Eureka Veterinary Services PC
- Main Attraction
- Ron's Service Center
Eureka changes faster than we can keep up.
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Eureka by the numbers
Population
817Population figure, 2020
Households & income
- Area
- 0.93 sq mi (2.42 km²), 0.07 sq mi water
- Median age
- 63.1
- Households
- 400
- Persons per household
- 1.7
- Median household income
- $47,583
- Median house value
- $78,200
Municipal office
- Office
- FINANCE OFFICER
- Address
- PO BOX 655, EUREKA, SD 57437