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zipcodes.pro — CITY/WI/POTOSI

Potosi ZIP code, Wisconsin

The ZIP code for Potosi, WI is 53820, and its area code is 608.

USPS city name
1 ZIP code
Population
595
Area code
608

Potosi in numbers

About 595 people live in Potosi, in 278 households. The median household income is $69,000 a year, 11% below the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $187,500 (30% below the Wisconsin median), and median gross rent is $775 a month. The median age is 43.6; 19.2% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 28 minutes.

Population595Potosi595
Households278Potosi278
Median age43.6Potosi43.6Wisconsin40.2US 38.9
Median household income$69,000Potosi$69,000Wisconsin$77,485US $80,734
Median home value$187,500Potosi$187,500Wisconsin$266,500US $332,700
Median gross rent$775Potosi$775Wisconsin$1,087US $1,413
Bachelor's degree or higher19.2%Potosi19.2%Wisconsin33.4%US 35.7%
Mean commute28.0 minPotosi28.0 minWisconsin22.2 minUS 26.4 min
Population density359 / sq miPotosi359 / sq mi

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

ZIP codes addressed as Potosi

ZIP codes with the USPS city name Potosi
ZIP City Type Population Median income Median home
53820 Potosi , WI Standard 2,467 $77,083 $201,900

Map of Potosi ZIP codes

53820

The ZIP codes of Potosi, 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 Potosi

The nearest larger towns are Dickeyville (878 people, 7.0 mi), Lancaster (3,976 people, 11 mi) and Platteville (11,499 people, 13 mi).

Towns near Potosi
TownPopulationDistance
Lancaster 3,976 11.2 mi
Platteville 11,499 12.5 mi
Asbury, IA 5,989 12.5 mi
Dubuque, IA 59,174 12.9 mi
Fennimore 2,752 20.5 mi
Galena, IL 2,931 23.1 mi
Dyersville, IA 4,423 25.1 mi
Mineral Point 2,559 29.4 mi

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

Cite this page

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

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