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/JEFFERSON

Jefferson ZIP code, Wisconsin

The ZIP code for Jefferson, WI is 53549, and its area code is 920.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
7,732
Area code
920

Mail addressed to Jefferson 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.

Jefferson in numbers

About 7,732 people live in Jefferson, in 3,312 households. The median household income is $79,006 a year, about the same as the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $225,600 (15% below the Wisconsin median), and median gross rent is $1,071 a month. The median age is 42.0; 22.6% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 25 minutes.

Population7,732Jefferson7,732
Households3,312Jefferson3,312
Median age42.0Jefferson42.0Wisconsin40.2US 38.9
Median household income$79,006Jefferson$79,006Wisconsin$77,485US $80,734
Median home value$225,600Jefferson$225,600Wisconsin$266,500US $332,700
Median gross rent$1,071Jefferson$1,071Wisconsin$1,087US $1,413
Bachelor's degree or higher22.6%Jefferson22.6%Wisconsin33.4%US 35.7%
Mean commute25.1 minJefferson25.1 minWisconsin22.2 minUS 26.4 min
Population density1,326 / sq miJefferson1,326 / sq mi

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

ZIP codes addressed as Jefferson

ZIP codes with the USPS city name Jefferson
ZIP City Type Population Median income Median home
53549 Jefferson , WI Standard 9,873 $80,101 $262,200

Other ZIP codes overlapping Jefferson

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

ZIP codes overlapping Jefferson
ZIP City Type Population Median income Median home
53038 Johnson Creek , WI Standard 4,192 $96,127 $327,400

Map of Jefferson ZIP codes

53549

The ZIP codes of Jefferson, 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 Jefferson

The nearest larger towns are Fort Atkinson (12,463 people, 5.8 mi), Whitewater (15,807 people, 12 mi) and Watertown (22,774 people, 13 mi).

Towns near Jefferson
TownPopulationDistance
Johnson Creek 3,362 5.5 mi
Fort Atkinson 12,463 5.8 mi
Lake Mills 6,470 7.1 mi
Whitewater 15,807 12.1 mi
Watertown 22,774 13.4 mi
Deerfield 2,541 13.9 mi
Ixonia 2,684 14.1 mi
Waterloo 3,600 15.4 mi
Summit 5,114 17.0 mi
Oconomowoc 19,080 17.2 mi
Milton 5,706 17.2 mi
Marshall 3,778 17.2 mi
Edgerton 6,014 17.4 mi
Okauchee Lake 4,733 20.5 mi

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

Cite this page

zipcodes.pro. “Jefferson, WI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wi/jefferson

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