County ZIP codes · Michigan · FIPS 26081
Kent County, MI ZIP Codes
Kent County, Michigan has 58 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 38 residential and 20 for PO boxes or a single organization. 27 of the residential ones lie mainly in Kent County and 11 mainly in a neighboring county; 19 cross the county line. Median household income ranges from $61,461 in 49507 (Grand Rapids) to $183,125 in 49301 (Ada) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Kent 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 $73,762 and $91,800.
They carry 26 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 38 residential ZIP codes in Kent County
27 ZIP codes lie mainly in Kent County; 11 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 49508 | Grand Rapids | 42,720 | 3,628 | $70k | $282k | 100% |
| 49504 | Grand Rapids | 40,036 | 3,623 | $70k | $244k | 100% |
| 49503 | Grand Rapids | 39,489 | 5,440 | $65k | $242k | 100% |
| 49341 | Rockford | 39,409 | 466 | $114k | $383k | 100% |
| 49507 | Grand Rapids | 38,487 | 6,947 | $62k | $199k | 100% |
| 49548 | Grand Rapids | 34,777 | 3,233 | $62k | $159k | 100% |
| 49546 | Grand Rapids | 34,721 | 1,944 | $99k | $418k | 100% |
| 49506 | Grand Rapids | 34,673 | 4,763 | $118k | $375k | 100% |
| 49505 | Grand Rapids | 32,426 | 3,703 | $75k | $247k | 100% |
| 49418 | Grandville | 31,913 | 1,681 | $85k | $322k | 64% |
| 49525 | Grand Rapids | 30,887 | 1,319 | $94k | $321k | 100% |
| 49509 | Wyoming | 28,152 | 3,871 | $65k | $202k | 100% |
| 49519 | Wyoming | 27,965 | 3,498 | $74k | $239k | 100% |
| 49315 | Byron Center | 27,091 | 491 | $113k | $382k | 72% |
| 49316 | Caledonia | 26,427 | 463 | $103k | $364k | 79% |
| 49301 | Ada | 19,846 | 349 | $183k | $549k | 100% |
| 49319 | Cedar Springs | 18,802 | 218 | $79k | $260k | 100% |
| 49512 | Grand Rapids | 18,373 | 798 | $71k | $315k | 100% |
| 49331 | Lowell | 17,661 | 193 | $92k | $315k | 78% |
| 49321 | Comstock Park | 15,970 | 607 | $78k | $274k | 100% |
| 49345 | Sparta | 13,512 | 259 | $86k | $274k | 100% |
| 49306 | Belmont | 11,028 | 598 | $115k | $374k | 100% |
| 49302 | Alto | 9,754 | 195 | $135k | $401k | 100% |
| 49544 | Grand Rapids | 9,631 | 484 | $74k | $264k | 96% |
| 49343 | Sand Lake | 5,664 | 102 | $80k | $244k | 53% |
| 49330 | Kent City | 5,599 | 128 | $76k | $266k | 87% |
| 49326 | Gowen | 3,980 | 165 | $84k | $226k | 60% |
Partly in Kent County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 49534 | Grand Rapids | 23,719 | 673 | $82k | $307k | 50% |
| 48838 | Greenville | 18,212 | 196 | $70k | $212k | 20% |
| 48809 | Belding | 11,038 | 138 | $71k | $210k | 20% |
| 49325 | Freeport | 2,596 | 97 | $91k | $319k | 10% |
| 49403 | Conklin | 2,467 | 53 | $85k | $280k | 4% |
| 49318 | Casnovia | 1,604 | 80 | $82k | $241k | 4% |
| 49347 | Trufant | 1,570 | 88 | $92k | $177k | 3% |
| 49333 | Middleville | 12,753 | 161 | $89k | $325k | 2% |
| 49348 | Wayland | 13,699 | 208 | $83k | $275k | 2% |
| 48815 | Clarksville | 2,364 | 88 | $86k | $244k | 2% |
| 49435 | Marne | 3,831 | 178 | $103k | $384k | 2% |
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?
19 ZIP codes of Kent County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Kent | Elsewhere |
|---|---|---|
| 49418 | 64% | Ottawa County 36% |
| 49315 | 72% | Ottawa County 18%; Allegan County 10% |
| 49316 | 79% | Allegan County 18%; Barry County 3% |
| 49534 | 50% | Ottawa County 50% |
| 48838 | 20% | Montcalm County 78%; Ionia County 1% |
| 49331 | 78% | Ionia County 22% |
| 49348 | 2% | Allegan County 91%; Barry County 7% |
| 49333 | 2% | Barry County 96%; Allegan County 1% |
| 48809 | 20% | Ionia County 78%; Montcalm County 2% |
| 49544 | 96% | Ottawa County 4% |
| 49343 | 53% | Newaygo County 37%; Montcalm County 10% |
| 49330 | 87% | Newaygo County 8%; Ottawa County 4%; Muskegon County 1% |
| 49326 | 60% | Montcalm County 40% |
| 49435 | 2% | Ottawa County 98% |
| 49325 | 10% | Barry County 69%; Ionia County 21% |
| 49403 | 4% | Ottawa County 89%; Muskegon County 7% |
| 48815 | 2% | Ionia County 98% |
| 49318 | 4% | Muskegon County 73%; Ottawa County 23% |
| 49347 | 3% | Montcalm County 97% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 49317 | Cannonsburg |
| 49351 | Rockford |
| 49355 | Ada |
| 49356 | Ada |
| 49357 | Ada |
| 49468 | Grandville |
| 49501 | Grand Rapids |
| 49502 | Grand Rapids |
| 49510 | Grand Rapids |
| 49514 | Grand Rapids |
| 49515 | Grand Rapids |
| 49516 | Grand Rapids |
| 49518 | Grand Rapids |
| 49523 | Grand Rapids |
| 49528 | Grand Rapids |
| 49530 | Grand Rapids |
| 49555 | Grand Rapids |
| 49560 | Grand Rapids |
| 49588 | Grand Rapids |
| 49599 | Grand Rapids |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Kent County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Kent County's ZIP codes use 4 prefixes: 488, 493, 494 and 495.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 488 | Lansing, MI (SCF 488) | 3 | 88 |
| 493 | Grand Rapids, MI (SCF 493) | 23 | 49 |
| 494 | Grand Rapids, MI (SCF 493) | 4 | 57 |
| 495 | Grand Rapids, MI (SCF 493) | 28 | 28 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.