Zip Code 59477 — Simms, MT
59477 is a ZIP Code associated with Simms, MT, located within Cascade. 59477 ranks #11 out of 15 ZIP codes in Cascade County by population (and #224 out of 369 in MT). The area supports an estimated population of 334 residents across Data Pending housing units, with a population density of 1.9 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (47.444670, -111.974190)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 59477 |
| Primary City | Simms |
| State / Province | MT |
| County | Cascade |
| Total Population | 334 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 1.9 people/sq mi |
| Timezone | America/Denver |
How 59477 Compares
| Metric | ZIP 59477 | Cascade County | MT State Average |
|---|
| Population | 334 | 84,584 (Total) | 1,117,606 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 1.9 /sq mi | -- | -- |
| County Pop Rank | #11 of 15 | -- | -- |
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 →