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 — CITY/WI/FORT-ATKINSON

Fort Atkinson ZIP code, Wisconsin

The ZIP code for Fort Atkinson, WI is 53538, and its area code is 920.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
12,463
Area code
920

Mail addressed to Fort Atkinson uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Fort Atkinson in numbers

About 12,463 people live in Fort Atkinson, in 5,408 households. The median household income is $79,302 a year, about the same as the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $211,800 (21% below the Wisconsin median), and median gross rent is $961 a month. The median age is 43.5; 26.2% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 20 minutes.

Population12,463Fort Atkinson12,463
Households5,408Fort Atkinson5,408
Median age43.5Fort Atkinson43.5Wisconsin40.2US 38.9
Median household income$79,302Fort Atkinson$79,302Wisconsin$77,485US $80,734
Median home value$211,800Fort Atkinson$211,800Wisconsin$266,500US $332,700
Median gross rent$961Fort Atkinson$961Wisconsin$1,087US $1,413
Bachelor's degree or higher26.2%Fort Atkinson26.2%Wisconsin33.4%US 35.7%
Mean commute20.2 minFort Atkinson20.2 minWisconsin22.2 minUS 26.4 min
Population density2,132 / sq miFort Atkinson2,132 / sq mi

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

ZIP codes addressed as Fort Atkinson

ZIP codes with the USPS city name Fort Atkinson
ZIP City Type Population Median income Median home
53538 Fort Atkinson , WI Standard 18,813 $82,783 $245,900

Other ZIP codes overlapping Fort Atkinson

These ZIP codes cover part of Fort Atkinson but are addressed as somewhere else.

ZIP codes overlapping Fort Atkinson
ZIP City Type Population Median income Median home
53549 Jefferson , WI Standard 9,873 $80,101 $262,200

Map of Fort Atkinson ZIP codes

53538

The ZIP codes of Fort Atkinson, 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 Fort Atkinson

The nearest larger towns are Whitewater (15,807 people, 8.2 mi), Janesville (66,030 people, 19 mi) and Stoughton (13,033 people, 19 mi).

Towns near Fort Atkinson
TownPopulationDistance
Jefferson 7,732 5.8 mi
Whitewater 15,807 8.2 mi
Lake Mills 6,470 11.1 mi
Johnson Creek 3,362 11.4 mi
Milton 5,706 11.4 mi
Edgerton 6,014 12.8 mi
Deerfield 2,541 14.5 mi
Janesville 66,030 18.6 mi
Stoughton 13,033 19.1 mi
Watertown 22,774 19.3 mi
Waterloo 3,600 19.4 mi
Ixonia 2,684 19.4 mi
Marshall 3,778 20.3 mi
Summit 5,114 20.4 mi

More nearby: every ZIP code in Jefferson County · Wisconsin ZIP codes

Cite this page

zipcodes.pro. “Fort Atkinson, WI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wi/fort-atkinson

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