| Zip Code | City | Population ↓ |
|---|---|---|
| 49201 | Jackson | 49,509 |
| 49203 | Jackson | 37,004 |
| 49202 | Jackson | 18,234 |
| 49230 | Brooklyn | 10,089 |
| 49240 | Grass Lake | 9,379 |
| 49269 | Parma | 5,643 |
| 49283 | Spring Arbor | 4,398 |
| 49254 | Michigan Center | 3,803 |
| 49246 | Horton | 3,786 |
| 49237 | Concord | 3,080 |
| 49277 | Rives Junction | 2,913 |
| 49233 | Cement City | 2,889 |
| 49284 | Springport | 2,764 |
| 49259 | Munith | 2,684 |
| 49234 | Clarklake | 2,580 |
| 49272 | Pleasant Lake | 2,502 |
| 49241 | Hanover | 1,859 |
| 49261 | Napoleon | 278 |
| 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).