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County ZIP codes · Michigan · FIPS 26133

Osceola County, MI ZIP Codes

Osceola County, Michigan has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 7 of the residential ones lie mainly in Osceola County and 1 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $47,174 in 49631 (Evart) to $65,556 in 49655 (Leroy) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Osceola County?

48632 · Lake: $57k49631 · Evart: $47k49639 · Hersey: $64k49655 · Leroy: $66k49665 · Marion: $54k49677 · Reed City: $59k49679 · Sears: $62k49688 · Tustin: $64k496774963149665486324968849655496394967948632 · Lake: $57k49631 · Evart: $47k49639 · Hersey: $64k49655 · Leroy: $66k49665 · Marion: $54k49677 · Reed City: $59k49679 · Sears: $62k49688 · Tustin: $64k496774963149665486324968849655496394967948632 · Lake: $57k49631 · Evart: $47k49639 · Hersey: $64k49655 · Leroy: $66k49665 · Marion: $54k49677 · Reed City: $59k49679 · Sears: $62k49688 · Tustin: $64k49677496314966548632496884965549639
The residential ZIP codes of Osceola County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

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 $54,265 and $63,875.

They carry 8 postal town names: Reed City, Evart, Lake, Marion, Leroy, Hersey, Tustin, Sears.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 8 residential ZIP codes in Osceola County

7 ZIP codes lie mainly in Osceola County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Osceola County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
49677 Reed City 7,028 55 $59k $142k 58%
49631 Evart 5,765 40 $47k $132k 85%
49665 Marion 3,983 25 $54k $151k 65%
49655 Leroy 3,383 39 $66k $180k 98%
49639 Hersey 2,634 43 $64k $153k 77%
49688 Tustin 2,508 27 $64k $189k 89%
49679 Sears 1,375 25 $62k $181k 87%

Partly in Osceola County

Residential ZIP codes mainly in another county that reach at least 1% into Osceola County, by their share here
In this county
48632 Lake 5,268 43 $57k $146k 5%

Download the 8 ZIP codes as CSV

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?

8 ZIP codes of Osceola County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Osceola County and in the neighboring counties
ZIPIn OsceolaElsewhere
4967758%Lake County 30%; Newaygo County 12%
4963185%Mecosta County 15%
486325%Clare County 63%; Isabella County 32%
4966565%Clare County 29%; Missaukee County 7%
4965598%Lake County 2%
4963977%Mecosta County 23%
4968889%Lake County 10%
4967987%Mecosta County 13%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Osceola County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Osceola County's ZIP codes use 2 prefixes: 486 and 496.

Three-digit prefixes of Osceola County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Osceola County's
PrefixSectional centerHereAll codes
486 Metroplex, MI (SCF 480) 1 60
496 Traverse City, MI (SCF 496) 7 70

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.