Zip Code 81403 — Montrose, CO
81403 is a ZIP Code associated with Montrose, CO, located within Montrose. 81403 ranks #2 out of 8 ZIP codes in Montrose County by population (and #164 out of 527 in CO). The area supports an estimated population of 12,138 residents across Data Pending housing units, with a population density of 9.3 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (38.323080, -107.928160)
| Data Metric | Local Statistic |
| Postal / Zip Code | 81403 |
| Primary City | Montrose |
| State / Province | CO |
| County | Montrose |
| Total Population | 12,138 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 9.3 people/sq mi |
| Timezone | America/Denver |
How 81403 Compares
| Metric | ZIP 81403 | Montrose County | CO State Average |
| Population | 12,138 | 45,147 (Total) | 5,862,421 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 9.3 /sq mi | -- | -- |
| County Pop Rank | #2 of 8 | -- | -- |
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 →