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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Buffalo, SD

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Counties:HARDING, SD
Area Code(s):605
Timezone(s):Mountain (GMT -07:00)
City Population:330 (More Details)
Congressional District(s):No Districts
Land Area:2,671 square miles (county)
Water Area:7 square miles (county)

1 ZIP Code

Buffalo, SD ZIP Code Boundaries

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Buffalo, SD Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Buffalo, SD Demographic Information *

Total population**330
Male population174
Female population156
Median age (years)43.8
White Population321
Black Population0
Indian Population3
Asian Population0
Hawaiian Population0
Hispanic Population5
Median age (Male)41.8
Median age (Female)48
Total households168
Family households (families)86
Average household size1.96
Average family size2.8
Total housing units220
* Demographic data is based on 2010 Census for the City of BUFFALO.
** 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],