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ZIP Code Database - Facts & Stats

Data Last Updated: January 1, 2022

ZIP Codes for City of Seneca, SD

Seneca, SD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 57473StandardFaulk161605

Timezone(s):Central (GMT -06:00)
Counties:FAULK, SD
Population:38 (More Details)
Male Population:20
Female Population:18
Median Age:48
ZIP Codes:1
Area Codes:1
Total Area:1,006 square miles (county)
Land Area:982 square miles (county)
Water Area:24 square miles (county)

Seneca, SD Demographic Information *

Total population38
Male population20
Female population18
Median age (years)48
White Population37
Black Population0
Indian Population0
Asian Population1
Hawaiian Population0
Hispanic Population5
Median age (Male)47
Median age (Female)51.5
Total households16
Family households (families)11
Average household size2.38
Average family size3
Total housing units29
* Demographic data is based on 2010 Census.

Seneca, SD Other Information

12 Cities within 30 miles of Seneca, SD Products


  1. U.S. Postal Service [Last Updated: 1/1/2022],
  2. Internal Data Creation [Last Updated: 1/1/2022],
  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],