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ZIP Code Database - Facts & Stats

Data Last Updated: January 1, 2022

ZIP Codes for City of Gann Valley, SD

Gann Valley, SD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 57341StandardBuffalo151605

Timezone(s):Central (GMT -06:00)
Counties:BUFFALO, SD
Population:14 (More Details)
Male Population:8
Female Population:6
Median Age:64
ZIP Codes:1
Area Codes:1
Total Area:488 square miles (county)
Land Area:471 square miles (county)
Water Area:16 square miles (county)

Gann Valley, SD Demographic Information *

Total population14
Male population8
Female population6
Median age (years)64
White Population13
Black Population0
Indian Population1
Asian Population0
Hawaiian Population0
Hispanic Population0
Median age (Male)60.5
Median age (Female)64.5
Total households8
Family households (families)5
Average household size1.75
Average family size2.2
Total housing units15
* Demographic data is based on 2010 Census.

Gann Valley, SD Other Information

18 Cities within 30 miles of Gann Valley, 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],