Zip Code 59418 — Buffalo, MT
59418 is a ZIP Code associated with Buffalo, MT, located within Judith Basin. 59418 ranks #5 out of 6 ZIP codes in Judith Basin County by population (and #298 out of 369 in MT). The area supports an estimated population of 142 residents across Data Pending housing units, with a population density of 0.4 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (46.802580, -109.878490)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 59418 |
| Primary City | Buffalo |
| State / Province | MT |
| County | Judith Basin |
| Total Population | 142 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 0.4 people/sq mi |
| Timezone | America/Denver |
How 59418 Compares
| Metric | ZIP 59418 | Judith Basin County | MT State Average |
|---|
| Population | 142 | 2,066 (Total) | 1,117,606 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 0.4 /sq mi | -- | -- |
| County Pop Rank | #5 of 6 | -- | -- |
Nearby ZIP Codes
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 →