Eureka, SD ZIP Codes, Coordinates & Counties
Eureka, South Dakota has 1 ZIP code in McPherson county. The approximate center of Eureka is 45.791, -99.598. Eureka has about 22,625 known street addresses.
ZIP codes in Eureka, SD
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 57437 | McPherson | 45.791 | -99.598 |
Counties Eureka spans
McPherson
Most common streets in Eureka
112th, G, J, 11th, K, 10th, E, 9th, 5th, 12th
Frequently asked questions
What ZIP codes are in Eureka, SD?
Eureka, South Dakota has 1 ZIP code, ranging from 57437 to 57437. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Eureka, SD in?
Eureka is in McPherson county.
What are the latitude and longitude of Eureka, SD?
The approximate center of Eureka, South Dakota is latitude 45.791, longitude -99.598. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Eureka, SD have?
Eureka has 1 ZIP code.
How many addresses are in Eureka, SD?
Eureka, South Dakota has about 22,625 known street addresses in the sthan.io US address database.
What are the most common streets in Eureka, SD?
Some of the most common street names in Eureka are 112th, G, J, 11th, K, 10th.
What cities are near Eureka, SD?
Cities near Eureka include Hosmer (15 mi), Zeeland (19 mi), Herreid (22 mi), Java (22 mi), Long Lake (22 mi).
Cities near Eureka
Hosmer, SD (15 mi) Zeeland, ND (19 mi) Herreid, SD (22 mi) Java, SD (22 mi) Long Lake, SD (22 mi) Ashley, ND (22 mi) Mound City, SD (24 mi) Bowdle, SD (24 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database