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Eureka, SD

Population
775
U.S. Census Population Estimates Program · 2025
Elevation
1,890 ft
Median Home Value
$78,200
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$557/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$47,583
U.S. Census American Community Survey 5-Year · 2024

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Eureka in context.

OverallBest places in South DakotaPopulation rankingHighest population places in South DakotaNearest larger communityAberdeen, South Dakota60 miles away · 27,961 residents.

About Eureka

Eureka is a city in western McPherson County, South Dakota, United States, near the North Dakota state line. The 2020 census counted 813 residents. " The arrival of the railroad in 1887 spurred the town's growth, and it became a major regional hub for wheat production. From 1887 to 1902, Eureka was known as the world's wheat capital. The short version is that Eureka carries an earlier story into the places people know and use now. That is the local read on Eureka: its past remains attached to the places people use now.

Top Rating Signals

Highest current ratings for this town.

Lower FEMA County Hurricane Risk IndexA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingLow PopulationA+100.0rating

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