19 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 49201 | Jackson | 49,114 |
| 49203 | Jackson | 36,520 |
| 49202 | Jackson | 18,763 |
| 49230 | Brooklyn | 10,259 |
| 49240 | Grass Lake | 9,206 |
| 49269 | Parma | 5,874 |
| 49283 | Spring Arbor | 4,597 |
| 49254 | Michigan Center | 3,617 |
| 49246 | Horton | 3,486 |
| 49237 | Concord | 3,094 |
| 49233 | Cement City | 2,953 |
| 49277 | Rives Junction | 2,882 |
| 49272 | Pleasant Lake | 2,673 |
| 49259 | Munith | 2,616 |
| 49234 | Clarklake | 2,480 |
| 49284 | Springport | 2,436 |
| 49241 | Hanover | 2,086 |
| 49261 | Napoleon | 243 |
| 49263 | Norvell | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 19 ZCTAs in Jackson County, Michigan (US Census).