Isabella County, Michigan ZIP codes
8 ZIP codes are in Isabella County, plus 9 that cross in from neighboring counties. It's part of the Mount Pleasant, MI micro area.
- ZIP codes
- 8
- Population in these ZIPs
- 62,316
- Avg. median income
- $56,300population-weighted
- Cities & towns
- 6
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Isabella County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 48804 PO Box | Mount Pleasant | — | — | — |
| 48858 | Mount Pleasant | 42,226 | $51,267 | $226,700 |
| 48859 | Mount Pleasant | 2,228 | — | — |
| 48878 | Rosebush | 1,240 | $57,656 | $228,100 |
| 48883 | Shepherd | 7,292 | $65,223 | $224,700 |
| 48893 | Weidman | 5,921 | $73,108 | $230,700 |
| 48896 | Winn | 226 | $136,136 | $209,500 |
| 49310 | Blanchard | 3,183 | $64,420 | $226,300 |
ZIP codes partly in Isabella County
These ZIP codes are mostly in a neighboring county but cover part of Isabella County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 48617 | Clare | Clare County | 9,403 | $58,321 | $223,600 |
| 48618 | Coleman | Midland County | 5,197 | $61,968 | $199,300 |
| 48622 | Farwell | Clare County | 6,345 | $56,804 | $202,300 |
| 48632 | Lake | Clare County | 5,268 | $57,036 | $180,400 |
| 48829 | Edmore | Montcalm County | 3,652 | $63,750 | $202,400 |
| 48877 | Riverdale | Gratiot County | 1,962 | $64,653 | $191,200 |
| 48880 | Saint Louis | Gratiot County | 9,994 | $59,922 | $167,600 |
| 49305 | Barryton | Mecosta County | 2,378 | $51,875 | $143,000 |
| 49340 | Remus | Mecosta County | 2,437 | $54,417 | $208,600 |
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 and towns in Isabella County
Nearby counties
Frequently asked questions
How many ZIP codes are in Isabella County, Michigan?
8 ZIP codes are mainly in Isabella County, and 9 more ZIP codes from neighboring areas reach partly into it.
What cities are in Isabella County?
ZIP codes in Isabella County use the city names Blanchard, Mount Pleasant, Rosebush, Shepherd, Weidman and Winn.
What metro area is Isabella County in?
Isabella County is part of the Mount Pleasant, MI micropolitan statistical area.