Grass Lake, MI ZIP code
The ZIP code for Grass Lake, Michigan is 49240. It is in Jackson County.
- Population in these ZIPs
- 8,863
- Avg. median income
- $99,700population-weighted
- Typical home value
- $343,700population-weighted
- Metro area
- Jackson, MI
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Grass Lake, MI ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 49240 | 8,863 | $99,681 | $343,700 |
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 Grass Lake
- Chelsea 8 mi
- Michigan Center 8 mi
- Napoleon 8 mi
- Munith 9 mi
- Manchester 11 mi
- Jackson 12 mi
- Pleasant Lake 12 mi
- Brooklyn 13 mi
- Stockbridge 13 mi
- Clarklake 14 mi
- Gregory 15 mi
- Dexter 15 mi
Frequently asked questions
What is the ZIP code for Grass Lake, MI?
The ZIP code for Grass Lake, MI is 49240.
What county is Grass Lake, Michigan in?
Grass Lake ZIP codes are in Jackson County.