ZIP Codes of Bayfield County, WI

Population & People
Population & People
Total Population
13,774
Household Income
Household Income
Median Income
$70,900
Housing
Housing
Total Housing Units
10,985
Business & Economy
Business & Economy
Total Businesses
424
Employment
Employment
Employment Rate
50.59%
Education
Education
Bachelor's Degree+
36.17%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 11 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:11 ZIP Codes (10 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:534 / 715
Timezone:Central (GMT -06:00)
Local Time:11:55:37 PM
Population:13,774 [See All]
FIPS:55007
Land Area:1,216 sq mi
Water Area:39 sq mi
Coordinates:46.5733, -91.1615
Quick Link:
https://www.zip-codes.com/county/wi-bayfield.asp
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Among Wisconsin's 5 oldest counties
Median age 54.6.

Standout ZIPs in this County


Most Populous
Washburn · 3,297 people
23.9% of county total
Highest Income
Cornucopia · $90,000 median
1.3× county average
Largest Land Area
Mason · 214.3 sq mi
Spans the most ground
Fastest Growth
Cable · 21.4% (10-yr)
1,338 → 1,625 residents
Most Educated
Washburn · 41.0% bachelor's+
1,046 of 2,549 adults 25+

Things worth knowing about Bayfield County


13,774 residents live across 11 ZIPs covering 1,216 sq mi, served by 11 distinct USPS-recognized cities.

Population moved from 12,653 to 13,774 from 2014 to 2024 — a +8.9% change. 9 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 54827 (Cornucopia, $90,000 median) and poorest ZIP 54821 (Cable, $57,813) are 38.8 miles apart — a 1.6× income gap across local geography.

Median home values vary 2.0× across this county — from $159,400 in 54839 (Grand View) to $321,400 in 54821 (Cable).

Density varies 12× across the county — from 3 people/sq mi in 54844 (Herbster) to 40 in 54891 (Washburn).

Educational attainment ranges from 26.2% bachelor's+ in 54856 (Mason) to 55.7% in 54827 (Cornucopia) — the breadth of educational profiles across the area.

Within Wisconsin, this is the #66 most populous of 73 counties and ranks #48 for median household income with the #7 fastest decade growth .

Weighted by population, the typical household earns about $68,437 across the county — reflecting what a typical resident sees, not a simple ZIP average.

36.2% of adults age 25+ hold a bachelor's degree or higher (3,913 of 10,818 reporting).

10 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Bayfield County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
1,216
square miles
Avg density
11.3
people per sq mi
Population
13,774
across 11 ZIPs
Mason
214.3 sq mi
1,628 residents
Iron River
204.8 sq mi
2,607 residents
Cable
202.1 sq mi
1,625 residents

All ZIP Codes in Bayfield County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
54891WashburnStandard3,297$70,53682.7-0.4%
54814BayfieldStandard2,762$63,682157.58.0%
54847Iron RiverStandard2,607$68,795204.811.7%
54856MasonStandard1,628$76,500214.34.4%
54821CableStandard1,625$57,813202.121.4%
54865Port WingStandard517$61,87576.924.3%
54832DrummondStandard453$76,136114.97.9%
54839Grand ViewStandard342$80,62538.311.8%
54827CornucopiaStandard300$90,00050.769.5%
54844HerbsterStandard243$63,03673.63.8%
54816BenoitPO Box0.0

Adjacent & Nearby Counties