ZIP codes in Roscommon County
7 ZIPs touch Roscommon County, Michigan. The blue dashed line is the county border; orange ZIPs reach into it.
7
ZIP codes
3
cross the county line
42,289
people in these ZIPs
83
counties in MI
Most people
Roscommon County ZIP list
More counties in Michigan
- Ontonagon County12
- Osceola County9
- Oscoda County8
- Otsego County8
- Ottawa County27
- Presque Isle County8
- Saginaw County33
- Sanilac County23
- Schoolcraft County7
- Shiawassee County20
- St. Clair County25
- St. Joseph County13
Questions people actually ask
How many ZIP codes are in Roscommon County, Michigan?
7 ZIP codes reach into Roscommon County. 3 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Roscommon County has the most people?
48624 (Gladwin) has about 16,234 residents, the most of any ZIP touching Roscommon County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Roscommon 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 Roscommon 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.
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Updated 2026-11-10 · Where the data comes from