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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Eureka, SD

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Area Code(s):605
Timezone(s):Central (GMT -06:00)
City Population:868 (More Details)
Congressional District(s):No Districts
Land Area:1,137 square miles (county)
Water Area:15 square miles (county)

1 ZIP Code

Eureka, SD ZIP Code Boundaries

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Eureka, SD Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
57437Standard1,286100.00%ARTAS, GREENWAY, HILLS, HILLSVIEW

Eureka, SD Demographic Information *

Total population**868
Male population378
Female population490
Median age (years)63.5
White Population852
Black Population0
Indian Population0
Asian Population2
Hawaiian Population0
Hispanic Population10
Median age (Male)60.3
Median age (Female)65.7
Total households452
Family households (families)240
Average household size1.8
Average family size2.45
Total housing units649
* Demographic data is based on 2010 Census for the City of EUREKA.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],