County ZIP codes · Michigan · FIPS 26075
Jackson County, MI ZIP Codes
Jackson County, Michigan has 30 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 29 residential and 1 for PO boxes or a single organization. 19 of the residential ones lie mainly in Jackson County and 10 mainly in a neighboring county; 16 cross the county line. Median household income ranges from $42,632 in 49202 (Jackson) to $108,464 in 49283 (Spring Arbor) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Jackson County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $62,206 and $85,253.
They carry 27 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 29 residential ZIP codes in Jackson County
19 ZIP codes lie mainly in Jackson County; 10 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 49201 | Jackson | 49,107 | 317 | $75k | $216k | 100% |
| 49203 | Jackson | 36,474 | 1,378 | $56k | $159k | 100% |
| 49202 | Jackson | 18,519 | 1,457 | $43k | $116k | 100% |
| 49230 | Brooklyn | 10,077 | 157 | $84k | $270k | 73% |
| 49240 | Grass Lake | 8,863 | 85 | $100k | $299k | 85% |
| 49269 | Parma | 5,544 | 99 | $87k | $217k | 100% |
| 49283 | Spring Arbor | 5,039 | 348 | $109k | $218k | 100% |
| 49254 | Michigan Center | 3,484 | 1,328 | $64k | $172k | 100% |
| 49246 | Horton | 3,382 | 98 | $82k | $254k | 92% |
| 49237 | Concord | 3,097 | 76 | $67k | $186k | 94% |
| 49233 | Cement City | 2,938 | 138 | $81k | $230k | 36% |
| 49277 | Rives Junction | 2,924 | 89 | $92k | $218k | 100% |
| 49272 | Pleasant Lake | 2,883 | 259 | $84k | $233k | 100% |
| 49259 | Munith | 2,653 | 91 | $67k | $208k | 100% |
| 49234 | Clarklake | 2,520 | 118 | $110k | $295k | 100% |
| 49284 | Springport | 2,493 | 47 | $58k | $153k | 63% |
| 49241 | Hanover | 2,279 | 71 | $82k | $223k | 100% |
| 49261 | Napoleon | 199 | 273 | $92k | $209k | 100% |
| 49263 | Norvell | no residents | 0 | – | – | 100% |
Partly in Jackson County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 49224 | Albion | 13,447 | 135 | $53k | $137k | 31% |
| 49264 | Onondaga | 1,454 | 54 | $92k | $236k | 26% |
| 49285 | Stockbridge | 6,240 | 82 | $73k | $210k | 10% |
| 49252 | Litchfield | 2,556 | 60 | $56k | $145k | 7% |
| 49251 | Leslie | 5,958 | 102 | $85k | $206k | 5% |
| 49249 | Jerome | 3,462 | 118 | $82k | $224k | 4% |
| 49250 | Jonesville | 5,653 | 72 | $66k | $170k | 4% |
| 48827 | Eaton Rapids | 15,831 | 139 | $78k | $218k | 2% |
| 49245 | Homer | 4,547 | 49 | $62k | $153k | 2% |
| 48158 | Manchester | 7,770 | 82 | $95k | $312k | 1% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
16 ZIP codes of Jackson County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Jackson | Elsewhere |
|---|---|---|
| 48827 | 2% | Eaton County 82%; Ingham County 16% |
| 49224 | 31% | Calhoun County 69% |
| 49230 | 73% | Lenawee County 27% |
| 49240 | 85% | Washtenaw County 15% |
| 48158 | 1% | Washtenaw County 99% |
| 49285 | 10% | Ingham County 80%; Livingston County 6%; Washtenaw County 3% |
| 49251 | 5% | Ingham County 95% |
| 49250 | 4% | Hillsdale County 96% |
| 49245 | 2% | Calhoun County 96%; Branch County 2% |
| 49249 | 4% | Hillsdale County 96% |
| 49246 | 92% | Hillsdale County 8% |
| 49237 | 94% | Calhoun County 6% |
| 49233 | 36% | Hillsdale County 36%; Lenawee County 28% |
| 49252 | 7% | Hillsdale County 81%; Branch County 8%; Calhoun County 5% |
| 49284 | 63% | Calhoun County 30%; Eaton County 7% |
| 49264 | 26% | Ingham County 72%; Eaton County 2% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 49204 | Jackson |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Jackson County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Jackson County's ZIP codes use 3 prefixes: 481, 488 and 492.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 481 | Detroit, MI (SCF 481) | 1 | 82 |
| 488 | Lansing, MI (SCF 488) | 1 | 88 |
| 492 | Detroit, MI (SCF 481) | 28 | 62 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.