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/OCEANA

Oceana County, MI ZIP codes

There are 8 ZIP codes in Oceana County, MI, in 8 towns, from 49420 to 49459. The largest are 49420 (Hart), 49421 (Hesperia) and 49455 (Shelby).

The county seat is Hart.

ZIP codes
8
Towns
8
County seat
Hart
County FIPS
26127
Population
26,915
Median household income
$62,417
Land area
538 sq mi

Oceana County ZIP codes by town

Hart (county seat)
49420

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 Oceana County ZIP codes

4942049421494364944649449494524945549459

The ZIP codes of Oceana 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.

Oceana County in numbers

About 26,915 people live in Oceana County, in 10,419 households, the 51st most populous of Michigan's 83 counties. The median household income is $62,417 a year, 14% below the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $190,100 (18% below the Michigan median), and median gross rent is $759 a month. The median age is 44.2; 21.5% of adults 25 and over hold a bachelor's degree or higher (32.4% across Michigan); the average commute takes 24 minutes.

Population26,915Oceana26,915
Households10,419Oceana10,419
Median age44.2Oceana44.2Michigan40.2US 38.9
Median household income$62,417Oceana$62,417Michigan$72,875US $80,734
Median home value$190,100Oceana$190,100Michigan$231,600US $332,700
Median gross rent$759Oceana$759Michigan$1,129US $1,413
Bachelor's degree or higher21.5%Oceana21.5%Michigan32.4%US 35.7%
Mean commute23.7 minOceana23.7 minMichigan24.2 minUS 26.4 min
Population density50 / sq miOceana50 / 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 Oceana County

Largest towns in Oceana County
TownZIP codesPopulation
Shelby 1 2,577
Hart 1 1,924
Hesperia 1 934
Pentwater 1 872
New Era 1 433
Rothbury 1 356
Mears 1 204
Walkerville 1 202

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 Oceana County.

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

Every ZIP code in Oceana County, with figures

ZIP codes in Oceana County
ZIP City Type Population Median income Median home
49420 Hart , MI Standard 6,202 $58,841 $167,000
49421 Hesperia , MI Standard 5,734 $53,555 $162,100
49436 Mears , MI Standard 1,644 $67,279 $255,000
49446 New Era , MI Standard 2,184 $65,217 $209,100
49449 Pentwater , MI Standard 2,587 $80,917 $307,300
49452 Rothbury , MI Standard 2,208 $55,441 $123,100
49455 Shelby , MI Standard 5,429 $63,621 $177,900
49459 Walkerville , MI Standard 1,524 $55,806 $108,300

Cite this page

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

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