19 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 49201 | Jackson | 49,107 |
| 49203 | Jackson | 36,474 |
| 49202 | Jackson | 18,519 |
| 49230 | Brooklyn | 10,077 |
| 49240 | Grass Lake | 8,863 |
| 49269 | Parma | 5,544 |
| 49283 | Spring Arbor | 5,039 |
| 49254 | Michigan Center | 3,484 |
| 49246 | Horton | 3,382 |
| 49237 | Concord | 3,097 |
| 49233 | Cement City | 2,938 |
| 49277 | Rives Junction | 2,924 |
| 49272 | Pleasant Lake | 2,883 |
| 49259 | Munith | 2,653 |
| 49234 | Clarklake | 2,520 |
| 49284 | Springport | 2,493 |
| 49241 | Hanover | 2,279 |
| 49261 | Napoleon | 199 |
| 49263 | Norvell | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 19 ZCTAs in Jackson County, Michigan (US Census).