Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/WI/COUNTY/FOND-DU-LAC

Fond du Lac County, WI ZIP codes

There are 16 ZIP codes in Fond du Lac County, WI, in 14 towns, from 53010 to 54979. The largest are 54935 (Fond Du Lac), 54937 (Fond Du Lac) and 53963 (Waupun).

The county seat is Fond du Lac.

ZIP codes
16
Towns
14
County seat
Fond du Lac
County FIPS
55039
Population
104,137
Median household income
$74,275
Land area
720 sq mi
Area codes
274, 920
Metro area
Fond du Lac

Fond du Lac County ZIP codes by town

Fond Du Lac (county seat)
54935, 54936, 54937

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 Fond du Lac County ZIP codes

53010530195304953057530655307953919539315396354932549355493654937549715497454979

The ZIP codes of Fond du Lac 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.

Fond du Lac County in numbers

About 104,137 people live in Fond du Lac County, in 43,243 households, the 16th most populous of Wisconsin's 72 counties. The median household income is $74,275 a year, 4% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $222,800 (16% below the Wisconsin median), and median gross rent is $960 a month. The median age is 41.9; 22.3% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 21 minutes.

Population104,137Fond du Lac104,137
Households43,243Fond du Lac43,243
Median age41.9Fond du Lac41.9Wisconsin40.2US 38.9
Median household income$74,275Fond du Lac$74,275Wisconsin$77,485US $80,734
Median home value$222,800Fond du Lac$222,800Wisconsin$266,500US $332,700
Median gross rent$960Fond du Lac$960Wisconsin$1,087US $1,413
Bachelor's degree or higher22.3%Fond du Lac22.3%Wisconsin33.4%US 35.7%
Mean commute21.2 minFond du Lac21.2 minWisconsin22.2 minUS 26.4 min
Population density145 / sq miFond du Lac145 / 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 Fond du Lac County

Largest towns in Fond du Lac County
TownZIP codesPopulation
Fond Du Lac 3 44,494
Waupun 1 11,174
Ripon 1 7,772
Malone 1 2,298
Campbellsport 1 1,973
Eldorado 1 1,218
Oakfield 1 1,182
Brandon 1 913
Rosendale 1 853
Van Dyne 1 752
Eden 1 732
Mount Calvary 1 642
St. Cloud 1 454
Fairwater 1 350

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 Fond du Lac County.

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

Every ZIP code in Fond du Lac County, with figures

ZIP codes in Fond du Lac County
ZIP City Type Population Median income Median home
53010 Campbellsport , WI Standard 7,444 $95,391 $307,000
53019 Eden , WI Standard 1,876 $84,559 $242,400
53049 Malone , WI Standard 2,298 $93,424 $286,000
53057 Mount Calvary , WI Standard 1,882 $105,909 $238,200
53065 Oakfield , WI Standard 2,351 $99,583 $261,800
53079 Saint Cloud , WI Standard 1,420 $86,667 $260,000
53919 Brandon , WI Standard 2,292 $97,019 $223,400
53931 Fairwater , WI Standard 350 $71,250 $145,800
53963 Waupun , WI Standard 13,952 $77,631 $208,600
54932 Eldorado , WI Standard 1,218 $110,125 $271,000
54935 Fond Du Lac , WI Standard 41,613 $63,144 $180,200
54936 Fond Du Lac , WI No street area — — —
54937 Fond Du Lac , WI Standard 21,687 $81,841 $272,200
54971 Ripon , WI Standard 10,907 $66,699 $193,000
54974 Rosendale , WI Standard 1,415 $97,222 $263,600
54979 Van Dyne , WI Standard 2,037 $109,868 $295,000

Cite this page

zipcodes.pro. “Fond du Lac County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wi/county/fond-du-lac

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