County ZIP codes · Michigan · FIPS 26077
Kalamazoo County, MI ZIP Codes
Kalamazoo County, Michigan has 30 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 24 residential and 6 for PO boxes or a single organization. 18 of the residential ones lie mainly in Kalamazoo County and 6 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $39,344 in 49007 (Kalamazoo) to $108,629 in 49071 (Mattawan) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Kalamazoo 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 $63,889 and $85,909.
They carry 17 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 24 residential ZIP codes in Kalamazoo County
18 ZIP codes lie mainly in Kalamazoo County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 49009 | Kalamazoo | 47,971 | 469 | $81k | $347k | 96% |
| 49024 | Portage | 30,823 | 1,787 | $91k | $267k | 100% |
| 49006 | Kalamazoo | 26,507 | 4,439 | $44k | $209k | 100% |
| 49048 | Kalamazoo | 22,791 | 648 | $61k | $177k | 100% |
| 49001 | Kalamazoo | 20,946 | 2,730 | $56k | $157k | 100% |
| 49002 | Portage | 19,737 | 1,141 | $74k | $246k | 100% |
| 49004 | Kalamazoo | 17,815 | 808 | $74k | $192k | 100% |
| 49008 | Kalamazoo | 16,137 | 2,401 | $75k | $218k | 100% |
| 49097 | Vicksburg | 11,754 | 168 | $88k | $240k | 95% |
| 49007 | Kalamazoo | 9,836 | 2,816 | $39k | $111k | 100% |
| 49083 | Richland | 8,254 | 247 | $106k | $348k | 100% |
| 49053 | Galesburg | 7,805 | 320 | $86k | $243k | 100% |
| 49087 | Schoolcraft | 6,305 | 101 | $106k | $306k | 95% |
| 49088 | Scotts | 3,807 | 106 | $100k | $284k | 100% |
| 49012 | Augusta | 3,219 | 76 | $73k | $254k | 98% |
| 49034 | Climax | 1,938 | 52 | $74k | $214k | 79% |
| 49052 | Fulton | 1,234 | 39 | $64k | $203k | 77% |
| 49074 | Nazareth | 194 | 773 | $34k | – | 100% |
Partly in Kalamazoo County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 49071 | Mattawan | 12,198 | 415 | $109k | $285k | 24% |
| 49060 | Hickory Corners | 2,660 | 135 | $135k | – | 24% |
| 49080 | Plainwell | 16,002 | 207 | $75k | $258k | 16% |
| 49078 | Otsego | 10,018 | 202 | $78k | $198k | 12% |
| 49072 | Mendon | 2,937 | 50 | $64k | $175k | 4% |
| 49065 | Lawton | 7,092 | 158 | $71k | $233k | 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?
12 ZIP codes of Kalamazoo County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Kalamazoo | Elsewhere |
|---|---|---|
| 49009 | 96% | Van Buren County 4% |
| 49080 | 16% | Allegan County 53%; Barry County 31% |
| 49071 | 24% | Van Buren County 76% |
| 49097 | 95% | St. Joseph County 5% |
| 49078 | 12% | Allegan County 85%; Van Buren County 3% |
| 49065 | 1% | Van Buren County 99% |
| 49087 | 95% | Van Buren County 5% |
| 49012 | 98% | Calhoun County 2% |
| 49072 | 4% | St. Joseph County 96% |
| 49060 | 24% | Barry County 76% |
| 49034 | 79% | Calhoun County 21% |
| 49052 | 77% | Calhoun County 23% |
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 Kalamazoo County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Kalamazoo County starts with 490.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 490 | Grand Rapids, MI (SCF 493) | 30 | 92 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.