County ZIP codes · Michigan · FIPS 26097
Mackinac County, MI ZIP Codes
Mackinac County, Michigan has 15 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 10 of the residential ones lie mainly in Mackinac County and 5 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $46,827 in 49827 (Engadine) to $85,500 in 49836 (Germfask) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Mackinac 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 $54,563 and $75,156.
They carry 15 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 15 residential ZIP codes in Mackinac County
10 ZIP codes lie mainly in Mackinac County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 49781 | Saint Ignace | 4,156 | 51 | $64k | $165k | 100% |
| 49719 | Cedarville | 1,407 | 21 | $75k | $227k | 82% |
| 49827 | Engadine | 1,054 | 9 | $47k | $152k | 100% |
| 49760 | Moran | 734 | 5 | $59k | $142k | 96% |
| 49745 | Hessel | 707 | 9 | $44k | $124k | 100% |
| 49762 | Naubinway | 675 | 3 | $58k | $177k | 100% |
| 49757 | Mackinac Island | 561 | 129 | $95k | $733k | 100% |
| 49838 | Gould City | 426 | 3 | $40k | $180k | 100% |
| 49820 | Curtis | 191 | 7 | – | $160k | 100% |
| 49775 | Pointe Aux Pins | 34 | 1 | $133k | $238k | 100% |
Partly in Mackinac County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 49780 | Rudyard | 1,692 | 6 | $69k | $156k | 25% |
| 49774 | Pickford | 1,999 | 13 | $85k | $167k | 22% |
| 49793 | Trout Lake | 153 | 2 | $39k | $124k | 21% |
| 49836 | Germfask | 1,012 | 10 | $86k | $210k | 20% |
| 49853 | McMillan | 1,335 | 8 | $55k | $166k | 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?
7 ZIP codes of Mackinac County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Mackinac | Elsewhere |
|---|---|---|
| 49774 | 22% | Chippewa County 78% |
| 49780 | 25% | Chippewa County 75% |
| 49719 | 82% | Chippewa County 18% |
| 49853 | 1% | Luce County 99% |
| 49836 | 20% | Schoolcraft County 80% |
| 49760 | 96% | Chippewa County 4% |
| 49793 | 21% | Chippewa County 79% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Mackinac County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Mackinac County's ZIP codes use 2 prefixes: 497 and 498.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 497 | Traverse City, MI (SCF 496) | 10 | 76 |
| 498 | Iron Mountain, MI (SCF 498) | 5 | 68 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.