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/CASSVILLE

Cassville ZIP code, Wisconsin

The ZIP code for Cassville, WI is 53806, and its area code is 608.

USPS city name
1 ZIP code
Population
634
Area code
608

Cassville in numbers

About 634 people live in Cassville, in 290 households. The median household income is $58,750 a year, 24% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $123,100 (54% below the Wisconsin median), and median gross rent is $678 a month. The median age is 54.6; 16.3% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 22 minutes.

Population634Cassville634
Households290Cassville290
Median age54.6Cassville54.6Wisconsin40.2US 38.9
Median household income$58,750Cassville$58,750Wisconsin$77,485US $80,734
Median home value$123,100Cassville$123,100Wisconsin$266,500US $332,700
Median gross rent$678Cassville$678Wisconsin$1,087US $1,413
Bachelor's degree or higher16.3%Cassville16.3%Wisconsin33.4%US 35.7%
Mean commute21.7 minCassville21.7 minWisconsin22.2 minUS 26.4 min
Population density610 / sq miCassville610 / sq mi

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

ZIP codes addressed as Cassville

ZIP codes with the USPS city name Cassville
ZIP City Type Population Median income Median home
53806 Cassville , WI Standard 1,514 $64,076 $164,600

Map of Cassville ZIP codes

The ZIP codes of Cassville, 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 Cassville

The nearest larger towns are Guttenberg, IA (1,782 people, 7.9 mi), Bloomington (710 people, 13 mi) and Garnavillo, IA (816 people, 16 mi).

Towns near Cassville
TownPopulationDistance
Lancaster 3,976 17.0 mi
Dyersville, IA 4,423 17.4 mi
Asbury, IA 5,989 17.6 mi
Dubuque, IA 59,174 20.7 mi
Prairie du Chien 5,491 23.7 mi
Fennimore 2,752 25.1 mi
Platteville 11,499 26.5 mi
Manchester, IA 5,191 28.6 mi

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

Cite this page

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

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