County ZIP codes · Colorado · FIPS 08085
Montrose County, CO ZIP Codes
Montrose County, Colorado has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 12 residential and 1 for PO boxes or a single organization. 8 of the residential ones lie mainly in Montrose County and 4 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $50,243 in 81416 (Delta) to $80,893 in 81403 (Montrose) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Montrose County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $50,243 and $73,682.
They carry 11 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 12 residential ZIP codes in Montrose County
8 ZIP codes lie mainly in Montrose County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 81401 | Montrose | 24,228 | 121 | $71k | $374k | 100% |
| 81403 | Montrose | 12,138 | 24 | $81k | $515k | 67% |
| 81425 | Olathe | 5,005 | 23 | $74k | $343k | 100% |
| 81415 | Crawford | 1,955 | 7 | $59k | $331k | 60% |
| 81424 | Nucla | 1,079 | 3 | $40k | $206k | 100% |
| 81422 | Naturita | 589 | 2 | $28k | $158k | 100% |
| 81429 | Paradox | 129 | 1 | $69k | – | 100% |
| 81411 | Bedrock | 24 | 0 | $59k | – | 100% |
Partly in Montrose County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
6 ZIP codes of Montrose County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Montrose | Elsewhere |
|---|---|---|
| 81416 | 43% | Delta County57% |
| 81403 | 67% | Ouray County33% |
| 81415 | 60% | Delta County40% |
| 81423 | 10% | San Miguel County90% |
| 81431 | 35% | San Miguel County65% |
| 81220 | 26% | Gunnison County75% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 81402 | Montrose |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Montrose County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Montrose County's ZIP codes use 2 prefixes: 812 and 814.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.