Routt County, Colorado ZIP codes
11 ZIP codes are in Routt County, plus 2 that cross in from neighboring counties. It's part of the Steamboat Springs, CO micro area.
- ZIP codes
- 11
- Population in these ZIPs
- 25,112
- Avg. median income
- $108,900population-weighted
- Cities & towns
- 9
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Routt County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 80428 | Clark | 720 | $120,227 | $890,200 |
| 80463 | Mc Coy | 100 | $192,656 | $1,065,500 |
| 80467 | Oak Creek | 2,260 | $102,143 | $680,500 |
| 80469 | Phippsburg | 402 | $87,366 | $444,700 |
| 80477 PO Box | Steamboat Springs | — | — | — |
| 80479 | Toponas | 32 | — | — |
| 80483 | Yampa | 455 | $85,089 | $483,200 |
| 80487 | Steamboat Springs | 18,525 | $109,659 | $1,301,100 |
| 80488 PO Box | Steamboat Springs | — | — | — |
| 81639 | Hayden | 2,618 | $110,404 | $526,300 |
| 81653 | Slater | 0 | — | — |
ZIP codes partly in Routt County
These ZIP codes are mostly in a neighboring county but cover part of Routt County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 81625 | Craig | Moffat County | 12,307 | $75,812 | $302,600 |
| 81638 | Hamilton | Moffat County | 69 | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Routt County
Nearby counties
Frequently asked questions
How many ZIP codes are in Routt County, Colorado?
11 ZIP codes are mainly in Routt County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Routt County?
ZIP codes in Routt County use the city names Clark, Hayden, Mc Coy, Oak Creek, Phippsburg, Slater, Steamboat Springs, Toponas and Yampa.
What metro area is Routt County in?
Routt County is part of the Steamboat Springs, CO micropolitan statistical area.