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/SPARTA

Sparta ZIP code, Wisconsin

The ZIP code for Sparta, WI is 54656, and its area code is 608.

USPS city name
1 ZIP code
Population
9,950
Area code
608

Sparta in numbers

About 9,950 people live in Sparta, in 4,274 households. The median household income is $64,973 a year, 16% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $180,600 (32% below the Wisconsin median), and median gross rent is $861 a month. The median age is 37.1; 19.7% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 19 minutes.

Population9,950Sparta9,950
Households4,274Sparta4,274
Median age37.1Sparta37.1Wisconsin40.2US 38.9
Median household income$64,973Sparta$64,973Wisconsin$77,485US $80,734
Median home value$180,600Sparta$180,600Wisconsin$266,500US $332,700
Median gross rent$861Sparta$861Wisconsin$1,087US $1,413
Bachelor's degree or higher19.7%Sparta19.7%Wisconsin33.4%US 35.7%
Mean commute19.3 minSparta19.3 minWisconsin22.2 minUS 26.4 min
Population density1,243 / sq miSparta1,243 / sq mi

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

ZIP codes addressed as Sparta

ZIP codes with the USPS city name Sparta
ZIP City Type Population Median income Median home
54656 Sparta , WI Standard 18,160 $72,379 $214,400

Map of Sparta ZIP codes

54656

The ZIP codes of Sparta, 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 Sparta

The nearest larger towns are Onalaska (19,348 people, 20 mi), La Crosse (51,356 people, 22 mi) and Holmen (11,372 people, 23 mi).

Towns near Sparta
TownPopulationDistance
West Salem 5,330 13.9 mi
Tomah 9,532 15.9 mi
Onalaska 19,348 19.8 mi
La Crosse 51,356 22.0 mi
Holmen 11,372 22.6 mi
French Island 4,188 23.0 mi
Black River Falls 3,546 24.9 mi
La Crescent, MN 5,251 25.6 mi
Viroqua 4,471 26.3 mi

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

Cite this page

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

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