Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/MI/COUNTY/OSCEOLA

Osceola County, MI ZIP codes

There are 7 ZIP codes in Osceola County, MI, in 7 towns, from 49631 to 49688. The largest are 49677 (Reed City), 49631 (Evart) and 49665 (Marion).

The county seat is Reed City.

ZIP codes
7
Towns
7
County seat
Reed City
County FIPS
26133
Population
23,227
Median household income
$58,267
Land area
566 sq mi

Osceola County ZIP codes by town

Reed City (county seat)
49677

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Osceola County ZIP codes

49631496394965549665496774967949688

The ZIP codes of Osceola County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Osceola County in numbers

About 23,227 people live in Osceola County, in 9,356 households, the 62nd most populous of Michigan's 83 counties. The median household income is $58,267 a year, 20% below the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $155,400 (33% below the Michigan median), and median gross rent is $807 a month. The median age is 43.9; 16.6% of adults 25 and over hold a bachelor's degree or higher (32.4% across Michigan); the average commute takes 26 minutes.

Population23,227Osceola23,227
Households9,356Osceola9,356
Median age43.9Osceola43.9Michigan40.2US 38.9
Median household income$58,267Osceola$58,267Michigan$72,875US $80,734
Median home value$155,400Osceola$155,400Michigan$231,600US $332,700
Median gross rent$807Osceola$807Michigan$1,129US $1,413
Bachelor's degree or higher16.6%Osceola16.6%Michigan32.4%US 35.7%
Mean commute25.8 minOsceola25.8 minMichigan24.2 minUS 26.4 min
Population density41 / sq miOsceola41 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Osceola County

Largest towns in Osceola County
TownZIP codesPopulation
Leroy 1 3,383
Reed City 1 2,517
Evart 1 1,667
Sears 1 1,375
Marion 1 581
Hersey 1 360
Tustin 1 203

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Osceola County.

Not sure you are in Osceola County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Osceola County, with figures

ZIP codes in Osceola County
ZIP City Type Population Median income Median home
49631 Evart , MI Standard 5,765 $47,174 $132,300
49639 Hersey , MI Standard 2,634 $64,388 $153,100
49655 Leroy , MI Standard 3,383 $65,556 $180,300
49665 Marion , MI Standard 3,983 $54,265 $150,800
49677 Reed City , MI Standard 7,028 $59,112 $142,000
49679 Sears , MI Standard 1,375 $62,120 $180,600
49688 Tustin , MI Standard 2,508 $63,875 $188,500

Cite this page

zipcodes.pro. “Osceola County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mi/county/osceola

Underlying data is public domain or openly licensed — sources, vintages and licences.