County ZIP codes · Michigan · FIPS 26111
Midland County, MI ZIP Codes
Midland County, Michigan has 21 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 16 residential and 5 for PO boxes or a single organization. 6 of the residential ones lie mainly in Midland County and 10 mainly in a neighboring county; 13 cross the county line. Median household income ranges from $51,267 in 48858 (Mount Pleasant) to $101,250 in 48623 (Freeland) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Midland 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 $61,968 and $77,847.
They carry 15 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 16 residential ZIP codes in Midland County
6 ZIP codes lie mainly in Midland County; 10 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 48642 | Midland | 34,039 | 325 | $78k | $207k | 84% |
| 48640 | Midland | 32,492 | 309 | $81k | $201k | 100% |
| 48657 | Sanford | 7,578 | 122 | $73k | $185k | 100% |
| 48618 | Coleman | 5,197 | 51 | $62k | $137k | 77% |
| 48628 | Hope | 2,076 | 61 | $94k | $216k | 91% |
| 48620 | Edenville | 145 | 257 | $99k | $123k | 100% |
Partly in Midland County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 48880 | Saint Louis | 9,994 | 134 | $60k | $145k | 38% |
| 48883 | Shepherd | 7,292 | 63 | $65k | $160k | 35% |
| 48615 | Breckenridge | 3,061 | 56 | $70k | $143k | 32% |
| 48623 | Freeland | 15,129 | 208 | $101k | $258k | 24% |
| 48652 | Rhodes | 1,832 | 31 | $70k | $172k | 22% |
| 48662 | Wheeler | 1,185 | 24 | $70k | $131k | 22% |
| 48637 | Merrill | 3,024 | 43 | $66k | $159k | 19% |
| 48626 | Hemlock | 5,766 | 88 | $84k | $224k | 12% |
| 48858 | Mount Pleasant | 42,226 | 242 | $51k | $171k | 1% |
| 48612 | Beaverton | 8,654 | 69 | $56k | $164k | 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?
13 ZIP codes of Midland County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Midland | Elsewhere |
|---|---|---|
| 48858 | 1% | Isabella County 99% |
| 48642 | 84% | Bay County 16% |
| 48623 | 24% | Saginaw County 64%; Bay County 12% |
| 48880 | 38% | Gratiot County 54%; Isabella County 8% |
| 48612 | 1% | Gladwin County 96%; Clare County 2% |
| 48883 | 35% | Isabella County 65% |
| 48626 | 12% | Saginaw County 88% |
| 48618 | 77% | Isabella County 21%; Gladwin County 2% |
| 48615 | 32% | Gratiot County 68% |
| 48637 | 19% | Saginaw County 69%; Gratiot County 12% |
| 48628 | 91% | Gladwin County 9% |
| 48652 | 22% | Gladwin County 55%; Bay County 23% |
| 48662 | 22% | Gratiot County 78% |
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 Midland County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Midland County's ZIP codes use 2 prefixes: 486 and 488.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.