ZIP codes in San Miguel County
7 ZIPs touch San Miguel County, Colorado. The blue dashed line is the county border; orange ZIPs reach into it.
7
ZIP codes
4
cross the county line
11,939
people in these ZIPs
64
counties in CO
Most people
San Miguel County ZIP list
More counties in Colorado
- Pueblo County20
- Rio Blanco County4
- Rio Grande County5
- Routt County13
- Saguache County9
- San Juan County2
- Sedgwick County4
- Summit County5
- Teller County8
- Washington County12
- Weld County47
- Yuma County13
Questions people actually ask
How many ZIP codes are in San Miguel County, Colorado?
7 ZIP codes reach into San Miguel County. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in San Miguel County has the most people?
81435 (Telluride) has about 5,876 residents, the most of any ZIP touching San Miguel County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in San Miguel County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in San Miguel County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
Keep exploring
Updated 2026-11-10 · Where the data comes from