Explore Eureka, SD 57437 (6 local businesses listed · pop. 1,384 · median income $40,500). Find local businesses on the community board. Claim a spot for $1/mo.
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Claim Your SpotEureka, SD 57437 has 6 local businesses listed on LocalSquare, including restaurants, services, shops, and more. New businesses are added regularly as the community grows.
Eureka, SD 57437 has a population of 1,384, a median household income of $40,500, a median home value of $66,500.
There are 3 schools serving the Eureka, SD area, including Eureka Elementary - 02, Eureka Jr. High - 03, Eureka High School - 01.
Claim a square on the Eureka community board at LocalSquare for just $1/month. Your listing is visible on Google, AI search engines, and to local neighbors. 10% of every listing goes to charity.
Last updated: May 2026
