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/BAYFIELD

Bayfield County, WI ZIP codes

There are 11 ZIP codes in Bayfield County, WI, in 11 towns, from 54814 to 54891. The largest are 54891 (Washburn), 54814 (Bayfield) and 54847 (Iron River). 2 more cross into it from neighbouring counties: 54806 and 54873.

The county seat is Washburn.

ZIP codes
11
Partly in it
2 more
Towns
11
County seat
Washburn
County FIPS
55007
Population
16,575
Median household income
$71,151
Land area
1,478 sq mi

Bayfield County ZIP codes by town

Washburn (county seat)
54891

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 Bayfield County

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

Map of Bayfield County ZIP codes

5481454816548215482754832548395484454847548565486554891

The ZIP codes of Bayfield 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.

Bayfield County in numbers

About 16,575 people live in Bayfield County, in 7,437 households, the 61st most populous of Wisconsin's 72 counties. The median household income is $71,151 a year, 8% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $240,800 (10% below the Wisconsin median), and median gross rent is $812 a month. The median age is 54.6; 35.0% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 23 minutes.

Population16,575Bayfield16,575
Households7,437Bayfield7,437
Median age54.6Bayfield54.6Wisconsin40.2US 38.9
Median household income$71,151Bayfield$71,151Wisconsin$77,485US $80,734
Median home value$240,800Bayfield$240,800Wisconsin$266,500US $332,700
Median gross rent$812Bayfield$812Wisconsin$1,087US $1,413
Bachelor's degree or higher35.0%Bayfield35.0%Wisconsin33.4%US 35.7%
Mean commute23.3 minBayfield23.3 minWisconsin22.2 minUS 26.4 min
Population density11 / sq miBayfield11 / 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 Bayfield County

Largest towns in Bayfield County
TownZIP codesPopulation
Washburn 1 1,884
Iron River 1 826
Bayfield 1 565
Cable 1 207
Port Wing 1 148
Drummond 1 141
Grand View 1 138
Cornucopia 1 108
Mason 1 93
Herbster 1 83

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 Bayfield County.

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

Every ZIP code in Bayfield County, with figures

ZIP codes in Bayfield County
ZIP City Type Population Median income Median home
54814 Bayfield , WI Standard 2,762 $63,682 $250,000
54816 Benoit , WI No street area — — —
54821 Cable , WI Standard 1,625 $57,813 $321,400
54827 Cornucopia , WI Standard 300 $90,000 $263,900
54832 Drummond , WI Standard 453 $76,136 $267,900
54839 Grand View , WI Standard 342 $80,625 $159,400
54844 Herbster , WI Standard 243 $63,036 $265,900
54847 Iron River , WI Standard 2,607 $68,795 $266,600
54856 Mason , WI Standard 1,628 $76,500 $193,800
54865 Port Wing , WI Standard 517 $61,875 $180,300
54891 Washburn , WI Standard 3,297 $70,536 $208,800

Cite this page

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

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