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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Lamar, MO

Lamar, MO Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 64759StandardBarton8,244417
ZIP Code 64766P.O. BoxBarton0417

Timezone(s):Central (GMT -06:00)
Counties:BARTON, MO
Population:4,532 (More Details)
Male Population:2,113
Female Population:2,419
Median Age:40
ZIP Codes:2
Area Codes:1
Total Area:597 square miles (county)
Land Area:592 square miles (county)
Water Area:5 square miles (county)

Lamar, MO Demographic Information *

Total population4,532
Male population2,113
Female population2,419
Median age (years)39.6
White Population4,282
Black Population31
Indian Population28
Asian Population15
Hawaiian Population1
Hispanic Population85
Median age (Male)35.8
Median age (Female)43
Total households1,866
Family households (families)1,202
Average household size2.38
Average family size2.96
Total housing units2,099
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],