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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 — CITY/WI/FRENCH-ISLAND

French Island ZIP codes, Wisconsin

No ZIP code is named for French Island, WI; addresses there use a neighbouring town's name. The ZIP code covering it is 54603. Its area code is 608.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
4,188
Area code
608

NANPA lists no telephone rate centre for French Island itself, so these are the area codes of the nearest one, La Crosse (0.0 miles). A town on an area-code boundary can differ from its neighbour.

French Island in numbers

About 4,188 people live in French Island, in 2,006 households. The median household income is $60,202 a year, 22% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $207,100 (22% below the Wisconsin median), and median gross rent is $1,030 a month. The median age is 48.2; 23.6% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 15 minutes.

Population4,188French Island4,188
Households2,006French Island2,006
Median age48.2French Island48.2Wisconsin40.2US 38.9
Median household income$60,202French Island$60,202Wisconsin$77,485US $80,734
Median home value$207,100French Island$207,100Wisconsin$266,500US $332,700
Median gross rent$1,030French Island$1,030Wisconsin$1,087US $1,413
Bachelor's degree or higher23.6%French Island23.6%Wisconsin33.4%US 35.7%
Mean commute15.4 minFrench Island15.4 minWisconsin22.2 minUS 26.4 min
Population density2,072 / sq miFrench Island2,072 / sq mi

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

ZIP codes covering French Island

These ZIP codes cover part of French Island but are addressed as somewhere else.

ZIP codes overlapping French Island
ZIP City Type Population Median income Median home
54603 La Crosse , WI Standard 13,738 $52,012 $181,900

Map of French Island ZIP codes

54603

The ZIP codes of French Island, WI, 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.

Towns near French Island

The nearest larger towns are La Crosse (51,356 people, 3.0 mi), La Crescent, MN (5,251 people, 3.0 mi) and Onalaska (19,348 people, 3.5 mi).

Towns near French Island
TownPopulationDistance
La Crosse 51,356 3.0 mi
La Crescent, MN 5,251 3.0 mi
Onalaska 19,348 3.5 mi
Holmen 11,372 7.8 mi
West Salem 5,330 9.1 mi
Caledonia, MN 2,820 19.6 mi
Sparta 9,950 23.0 mi
Winona, MN 26,009 24.2 mi
Goodview, MN 4,103 26.8 mi
Viroqua 4,471 27.8 mi
Arcadia 3,806 29.3 mi

More nearby: every ZIP code in La Crosse County · Wisconsin ZIP codes

Cite this page

zipcodes.pro. “French Island, WI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wi/french-island

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