Home > MT > Liberty County > Joplin > Zip 59531

Zip Code 59531 — Joplin, MT

ZIP Code 59531 is associated with Joplin, MT, in Liberty County. The listed population estimate is 351; estimated density is 0.5 people per square mile. Among records with population estimates, it ranks #3 of 5 in Liberty County and #219 of 368 in MT.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (48.772940, -110.783340)

Data MetricLocal Statistic
Postal / Zip Code59531
Primary CityJoplin
State / ProvinceMT
CountyLiberty
Total Population351
Population Density0.5 people/sq mi
TimezoneAmerica/Denver

How 59531 Compares

MetricZIP 59531Liberty County recordsMT records
Population estimate3512,136 (sum)1,117,606 (sum)
Population Density0.5 /sq mi----
County population rank#3 of 5----
State population rank#219 of 368----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MT

ZIP CodeCityDistancePopulation estimate
ZIP 59530Inverness12.6 mi141
ZIP 59540Rudyard15.2 mi430
ZIP 59522Chester17.1 mi1,315
ZIP 59528Hingham19.3 mi249
ZIP 59545Whitlash22.9 mi55

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →