Fort Gratiot, MI ZIP code
The ZIP code for Fort Gratiot (also written Ft. Gratiot), Michigan is 48059. It is in St. Clair County.
- Population in these ZIPs
- 15,499
- Avg. median income
- $80,100population-weighted
- Typical home value
- $269,100population-weighted
- Metro area
- Detroit-Warren-Dearborn, MI
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Fort Gratiot, MI ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 48059 | 15,499 | $80,062 | $269,100 |
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 near Fort Gratiot
- North Street 5 mi
- Jeddo 6 mi
- Port Huron 8 mi
- Avoca 10 mi
- Smiths Creek 10 mi
- Lexington 12 mi
- Marysville 12 mi
- Goodells 14 mi
- Croswell 15 mi
- Saint Clair 16 mi
- Emmett 16 mi
- Yale 17 mi
Frequently asked questions
What is the ZIP code for Fort Gratiot, MI?
The ZIP code for Fort Gratiot, MI is 48059.
What county is Fort Gratiot, Michigan in?
Fort Gratiot ZIP codes are in St. Clair County.