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/WI/COUNTY/ONEIDA

Oneida County, WI ZIP codes

There are 9 ZIP codes in Oneida County, WI, in 9 towns, from 54463 to 54564. The largest are 54501 (Rhinelander), 54548 (Minocqua) and 54562 (Three Lakes). 2 more cross into it from neighbouring counties: 54487 and 54521.

The county seat is Rhinelander.

ZIP codes
9
Partly in it
2 more
Towns
9
County seat
Rhinelander
County FIPS
55085
Population
38,167
Median household income
$69,371
Land area
1,114 sq mi

Oneida County ZIP codes by town

Rhinelander (county seat)
54501

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.

ZIP codes partly in Oneida County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Oneida County.

Map of Oneida County ZIP codes

The ZIP codes of Oneida 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.

Oneida County in numbers

About 38,167 people live in Oneida County, in 17,493 households, the 39th most populous of Wisconsin's 72 counties. The median household income is $69,371 a year, 10% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $238,400 (11% below the Wisconsin median), and median gross rent is $885 a month. The median age is 52.7; 28.7% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 22 minutes.

Population38,167Oneida38,167
Households17,493Oneida17,493
Median age52.7Oneida52.7Wisconsin40.2US 38.9
Median household income$69,371Oneida$69,371Wisconsin$77,485US $80,734
Median home value$238,400Oneida$238,400Wisconsin$266,500US $332,700
Median gross rent$885Oneida$885Wisconsin$1,087US $1,413
Bachelor's degree or higher28.7%Oneida28.7%Wisconsin33.4%US 35.7%
Mean commute21.6 minOneida21.6 minWisconsin22.2 minUS 26.4 min
Population density34 / sq miOneida34 / 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 Oneida County

Largest towns in Oneida County
TownZIP codesPopulation
Rhinelander 1 8,316
Hazelhurst 1 1,385
Harshaw 1 1,220
Pelican Lake 1 746
Minocqua 1 497
Three Lakes 1 410
Tripoli 1 393
Lake Tomahawk 1 190

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 Oneida County.

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

Every ZIP code in Oneida County, with figures

ZIP codes in Oneida County
ZIP City Type Population Median income Median home
54463 Pelican Lake , WI Standard 746 $59,310 $244,400
54501 Rhinelander , WI Standard 21,405 $68,163 $203,900
54529 Harshaw , WI Standard 1,220 $72,000 $268,100
54531 Hazelhurst , WI Standard 1,385 $84,286 $344,900
54539 Lake Tomahawk , WI Standard 1,356 $62,841 $282,200
54543 Mc Naughton , WI No street area — — —
54548 Minocqua , WI Standard 5,676 $69,569 $336,400
54562 Three Lakes , WI Standard 2,038 $57,422 $326,300
54564 Tripoli , WI Standard 393 $56,875 $184,000

Cite this page

zipcodes.pro. “Oneida County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wi/county/oneida

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