County ZIP codes · Michigan · FIPS 26139
Ottawa County, MI ZIP Codes
Ottawa County, Michigan has 28 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 25 residential and 3 for PO boxes or a single organization. 16 of the residential ones lie mainly in Ottawa County and 9 mainly in a neighboring county; 17 cross the county line. Median household income ranges from $71,563 in 49451 (Ravenna) to $113,346 in 49315 (Byron Center) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Ottawa 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 $81,657 and $98,319.
They carry 23 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 25 residential ZIP codes in Ottawa County
16 ZIP codes lie mainly in Ottawa County; 9 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 49424 | Holland | 49,810 | 870 | $86k | $297k | 100% |
| 49426 | Hudsonville | 40,523 | 672 | $112k | $371k | 100% |
| 49417 | Grand Haven | 33,878 | 723 | $83k | $316k | 100% |
| 49401 | Allendale | 29,674 | 930 | $75k | $322k | 100% |
| 49464 | Zeeland | 28,914 | 395 | $98k | $344k | 95% |
| 49428 | Jenison | 28,209 | 1,756 | $100k | $308k | 100% |
| 49534 | Grand Rapids | 23,719 | 673 | $82k | $307k | 50% |
| 49456 | Spring Lake | 19,931 | 787 | $93k | $340k | 87% |
| 49404 | Coopersville | 9,117 | 146 | $86k | $295k | 93% |
| 49460 | West Olive | 8,894 | 172 | $102k | $368k | 100% |
| 49448 | Nunica | 4,374 | 132 | $87k | $301k | 80% |
| 49435 | Marne | 3,831 | 178 | $103k | $384k | 98% |
| 49403 | Conklin | 2,467 | 53 | $85k | $280k | 89% |
| 49434 | Macatawa | 130 | 1,494 | $179k | – | 89% |
| 49409 | Ferrysburg | 70 | 700 | – | – | 100% |
| 49430 | Lamont | 14 | 50 | – | – | 100% |
Partly in Ottawa County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 49418 | Grandville | 31,913 | 1,681 | $85k | $322k | 36% |
| 49318 | Casnovia | 1,604 | 80 | $82k | $241k | 23% |
| 49315 | Byron Center | 27,091 | 491 | $113k | $382k | 18% |
| 49423 | Holland | 47,060 | 604 | $82k | $278k | 16% |
| 49415 | Fruitport | 6,330 | 229 | $82k | $246k | 8% |
| 49451 | Ravenna | 6,298 | 75 | $72k | $211k | 4% |
| 49544 | Grand Rapids | 9,631 | 484 | $74k | $264k | 4% |
| 49330 | Kent City | 5,599 | 128 | $76k | $266k | 4% |
| 49323 | Dorr | 11,073 | 221 | $99k | $288k | 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?
17 ZIP codes of Ottawa County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Ottawa | Elsewhere |
|---|---|---|
| 49423 | 16% | Allegan County 84% |
| 49418 | 36% | Kent County 64% |
| 49464 | 95% | Allegan County 5% |
| 49315 | 18% | Kent County 72%; Allegan County 10% |
| 49534 | 50% | Kent County 50% |
| 49456 | 87% | Muskegon County 13% |
| 49323 | 1% | Allegan County 99% |
| 49544 | 4% | Kent County 96% |
| 49404 | 93% | Muskegon County 7% |
| 49415 | 8% | Muskegon County 92% |
| 49451 | 4% | Muskegon County 95% |
| 49330 | 4% | Kent County 87%; Newaygo County 8%; Muskegon County 1% |
| 49448 | 80% | Muskegon County 20% |
| 49435 | 98% | Kent County 2% |
| 49403 | 89% | Muskegon County 7%; Kent County 4% |
| 49318 | 23% | Muskegon County 73%; Kent County 4% |
| 49434 | 89% | Allegan County 11% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Ottawa County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Ottawa County's ZIP codes use 3 prefixes: 493, 494 and 495.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 493 | Grand Rapids, MI (SCF 493) | 4 | 49 |
| 494 | Grand Rapids, MI (SCF 493) | 22 | 57 |
| 495 | Grand Rapids, MI (SCF 493) | 2 | 28 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.