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ZIP Code Database - Facts & Stats

Data Last Updated: July 1, 2022

ZIP Codes for City of Buffalo, OK

Buffalo, OK Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 73834StandardHarper1,643580

Timezone(s):Central (GMT -06:00)
Counties:HARPER, OK
Population:1,299 (More Details)
Male Population:603
Female Population:696
Median Age:37
ZIP Codes:1
Area Codes:1
Total Area:1,041 square miles (county)
Land Area:1,039 square miles (county)
Water Area:2 square miles (county)

Buffalo, OK Demographic Information *

Total population1,299
Male population603
Female population696
Median age (years)37.2
White Population1,148
Black Population2
Indian Population11
Asian Population2
Hawaiian Population0
Hispanic Population265
Median age (Male)36.4
Median age (Female)38.3
Total households520
Family households (families)342
Average household size2.42
Average family size3.04
Total housing units653
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 7/1/2022],
  2. Internal Data Creation [Last Updated: 7/1/2022],
  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],