County ZIP codes · Colorado · FIPS 08067
La Plata County, CO ZIP Codes
La Plata County, Colorado has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 6 residential and 2 for PO boxes or a single organization. 5 of the residential ones lie mainly in La Plata County and 1 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $63,860 in 81137 (Ignacio) to $93,714 in 81122 (Bayfield) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of La Plata 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 $72,522 and $88,103.
They carry 5 postal town names: Durango, Bayfield, Ignacio, Mancos, Hesperus.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 6 residential ZIP codes in La Plata County
5 ZIP codes lie mainly in La Plata County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 81301 | Durango | 29,774 | 39 | $84k | $696k | 78% |
| 81303 | Durango | 10,236 | 70 | $88k | $597k | 100% |
| 81122 | Bayfield | 8,838 | 18 | $94k | $460k | 60% |
| 81137 | Ignacio | 5,571 | 22 | $64k | $335k | 80% |
| 81326 | Hesperus | 2,621 | 6 | $80k | $559k | 100% |
Partly in La Plata County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 81328 | Mancos | 4,487 | 9 | $73k | $413k | 9% |
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?
4 ZIP codes of La Plata County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In La Plata | Elsewhere |
|---|---|---|
| 81301 | 78% | San Juan County 22% |
| 81122 | 60% | Archuleta County 40% |
| 81137 | 80% | San Juan County 17%; Archuleta County 3% |
| 81328 | 9% | Montezuma County 91% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 81302 | Durango |
| 81329 | Marvel |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do La Plata County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. La Plata County's ZIP codes use 2 prefixes: 811 and 813.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 811 | Colorado Springs, CO (SCF 808) | 2 | 32 |
| 813 | Albuquerque, NM (SCF 870) | 6 | 17 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.