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ZIP Code Database - Facts & Stats

Data Last Updated: November 1, 2022

ZIP Codes for City of Joplin, MT

Joplin, MT Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 59531StandardLiberty241

Timezone(s):Mountain (GMT -07:00)
Counties:LIBERTY, MT
Population:157 (More Details)
Male Population:82
Female Population:75
Median Age:53
ZIP Codes:1
Area Codes:1
Total Area:1,447 square miles (county)
Land Area:1,430 square miles (county)
Water Area:17 square miles (county)

Joplin, MT Demographic Information *

Total population157
Male population82
Female population75
Median age (years)52.9
White Population156
Black Population0
Indian Population1
Asian Population0
Hawaiian Population0
Hispanic Population1
Median age (Male)52.3
Median age (Female)55.5
Total households77
Family households (families)51
Average household size2.04
Average family size2.47
Total housing units100
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 11/1/2022],
  2. Internal Data Creation [Last Updated: 11/1/2022],
  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],