Joplin ZIP code, Montana
The ZIP code for Joplin, MT is 59531, and its area code is 406.
- USPS city name
- 1 ZIP code
- Population
- 265
- Area code
- 406
- County
- Liberty County
- State
- Montana
Joplin in numbers
About 265 people live in Joplin, in 95 households. The median household income is $67,891 a year, 6% below the Montana median of $72,509 (US: $80,734). The median age is 31.9; 17.8% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 26 minutes.
| Population | 265 |
|---|---|
| Households | 95 |
| Median age | 31.9 |
| Median household income | $67,891 |
| Bachelor's degree or higher | 17.8% |
| Mean commute | 25.9 min |
| Population density | 210 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Joplin CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Joplin
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
59531 | Joplin , MT | Standard | 351 | $67,891 | $110,000 |
Map of Joplin ZIP codes
The ZIP codes of Joplin, MT, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Joplin
The nearest larger towns are Chester (749 people, 9.4 mi), Rudyard (312 people, 10 mi) and Big Sandy (784 people, 40 mi).
More nearby: every ZIP code in Liberty County · Montana ZIP codes
Cite this page
zipcodes.pro. “Joplin, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/joplin
Underlying data is public domain or openly licensed — sources, vintages and licences.