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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Buffalo Gap, SD

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Counties:CUSTER, SD
Area Code(s):605
Timezone(s):Mountain (GMT -07:00)
City Population:126 (More Details)
Congressional District(s):No Districts
Land Area:1,557 square miles (county)
Water Area:2 square miles (county)

1 ZIP Code

Buffalo Gap, SD ZIP Code Boundaries

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Buffalo Gap, SD Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Buffalo Gap, SD Demographic Information *

Total population**126
Male population72
Female population54
Median age (years)53
White Population115
Black Population0
Indian Population9
Asian Population0
Hawaiian Population0
Hispanic Population1
Median age (Male)52.7
Median age (Female)54
Total households66
Family households (families)32
Average household size1.91
Average family size2.63
Total housing units85
* Demographic data is based on 2010 Census for the City of BUFFALO GAP.
** 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],