ZIP codes in Tuscola County
22 ZIPs touch Tuscola County, Michigan. The blue dashed line is the county border; orange ZIPs reach into it.
22
ZIP codes
15
cross the county line
105,952
people in these ZIPs
83
counties in MI
Most people
Tuscola County ZIP list
More counties in Michigan
- Saginaw County33
- Sanilac County23
- Schoolcraft County7
- Shiawassee County20
- St. Clair County25
- St. Joseph County13
- Van Buren County24
- Washtenaw County31
- Wayne County96
- Wexford County13
Questions people actually ask
How many ZIP codes are in Tuscola County, Michigan?
22 ZIP codes reach into Tuscola County, including 1 PO Box or single-address ZIPs placed by the town they serve. 15 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Tuscola County has the most people?
48420 (Clio) has about 21,195 residents, the most of any ZIP touching Tuscola County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Tuscola 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 Tuscola 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