Saint Louis, MI ZIP code
The ZIP code for Saint Louis (also written St. Louis), Michigan is 48880. It is in Gratiot County.
- Population in these ZIPs
- 9,994
- Avg. median income
- $59,900population-weighted
- Typical home value
- $167,600population-weighted
- Metro area
- Alma, MI
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Saint Louis, MI ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 48880 | 9,994 | $59,922 | $167,600 |
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 Saint Louis
- Breckenridge 6 mi
- Alma 7 mi
- Shepherd 8 mi
- Wheeler 9 mi
- Elwell 10 mi
- Merrill 13 mi
- Ithaca 13 mi
- Riverdale 14 mi
- North Star 15 mi
- Mount Pleasant 16 mi
- Sumner 17 mi
- Winn 17 mi
Frequently asked questions
What is the ZIP code for Saint Louis, MI?
The ZIP code for Saint Louis, MI is 48880.
What county is Saint Louis, Michigan in?
Saint Louis ZIP codes are in Gratiot County.