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/NORWALK

Norwalk ZIP code, Wisconsin

The ZIP code for Norwalk, WI is 54648, and its area code is 608.

USPS city name
1 ZIP code
Population
662
Area code
608

Norwalk in numbers

About 662 people live in Norwalk, in 231 households. The median household income is $66,146 a year, 15% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $96,700 (64% below the Wisconsin median), and median gross rent is $787 a month. The median age is 30.2; 9.5% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 27 minutes.

Population662Norwalk662
Households231Norwalk231
Median age30.2Norwalk30.2Wisconsin40.2US 38.9
Median household income$66,146Norwalk$66,146Wisconsin$77,485US $80,734
Median home value$96,700Norwalk$96,700Wisconsin$266,500US $332,700
Median gross rent$787Norwalk$787Wisconsin$1,087US $1,413
Bachelor's degree or higher9.5%Norwalk9.5%Wisconsin33.4%US 35.7%
Mean commute26.9 minNorwalk26.9 minWisconsin22.2 minUS 26.4 min
Population density643 / sq miNorwalk643 / sq mi

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

ZIP codes addressed as Norwalk

ZIP codes with the USPS city name Norwalk
ZIP City Type Population Median income Median home
54648 Norwalk , WI Standard 1,608 $74,250 $167,800

Map of Norwalk ZIP codes

54648

The ZIP codes of Norwalk, 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 Norwalk

The nearest larger towns are Cashton (1,281 people, 10 mi), Sparta (9,950 people, 12 mi) and Tomah (9,532 people, 12 mi).

Towns near Norwalk
TownPopulationDistance
Sparta 9,950 11.7 mi
Tomah 9,532 12.3 mi
Viroqua 4,471 22.9 mi
New Lisbon 2,562 23.3 mi
West Salem 5,330 23.4 mi
Mauston 4,248 27.4 mi
Onalaska 19,348 29.0 mi
La Crosse 51,356 29.8 mi

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

Cite this page

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

Underlying data is public domain or openly licensed — sources, vintages and licences.