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ZIP Code Database - Facts & Stats

Data Last Updated: January 1, 2022

ZIP Codes for City of Buffalo, SD

Buffalo, SD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 57720StandardHarding651605

Timezone(s):Mountain (GMT -07:00)
Counties:HARDING, SD
Population:330 (More Details)
Male Population:174
Female Population:156
Median Age:44
ZIP Codes:1
Area Codes:1
Total Area:2,678 square miles (county)
Land Area:2,671 square miles (county)
Water Area:7 square miles (county)

Buffalo, SD Demographic Information *

Total population330
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.

Buffalo, SD Other Information

5 Cities within 30 miles of Buffalo, 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],