Potosi, Wisconsin

Potosi: civil town in Grant County, Wisconsin

About

Potosi is a town located in the county of Grant in the U.S. state of Wisconsin. Its population at the 2010 census was 849. After 10 years in 2020 city had an estimated population of 887 inhabitants.

Quick Facts about Potosi

Population 887 (2020)
Country United States of America
State Wisconsin (United States)
County Grant County
Latitude & Longitude 42.6894,-90.7121
Time Zone America/Chicago
Local time 13:12:30 (15th April 2026)
Postal code 53820
Population growth 4.28% (2010-2020)
Weather 72℉ Chance Showers And Thunderstorms 7-days weather

Geography

Potosi is located at 42°41'22"N 90°42'43"W (42.6894400, -90.7120700).

Potosi map

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Weather

72°F
Chance Showers And Thunderstorms
6 to 12 mph SE Wednesday

A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms. So...

7-Day Forecast

Demographics

The population of Potosi increased by 4.28% in 10 years.

Year Population % Change Method
2010 849 - census
2011 874 2.86% estimation process
2012 868 -0.69% estimation process
2013 870 0.23% estimation process
2014 871 0.11% estimation process
2015 875 0.46% estimation process
2016 882 0.79% estimation process
2017 884 0.23% estimation process
2018 886 0.23% estimation process
2019 886 0% estimation process
2020 887 0.11% estimation process
Potosi zip code is 53820. County name: Grant, County fips: 55043
Snake Hollow

People born in Potosi (1)

American attorney, politician, and military leader Melvin Grigsby was born in Potosi

Nearby Schools and Colleges

Schools and campuses linked to Potosi, WI. Select a name to open its map and contact details.

Code Name City ZIP
240462 University of Wisconsin-Platteville Platteville (WI) 53818-3099

Nearby Transit Stations (1)

Rail and bus stations connected to Potosi, WI. Select a station to open its map and address details.

Code Name Address Type
MSN Madison, Wisconsin 800 Langdon St. BUS

Closest post offices linked to Potosi.

Post Office Name City ZIP
Post Office Potosi (WI) 53820

Other places with the same name (1)

  • Potosi, Missouri county seat of Washington County, Missouri, United States with a population of 2,548 people.

Other cities in Grant County

Cities, towns, neighborhoods & other populated places in Grant County , WI. (more)

City Name Population Title
Lancaster 3,700 City in Grant County, Wisconsin, United States
Jamestown 2,122 Town in Wisconsin, United States
Buena Vista 1,820 Unincorporated community in the Town of Delafield, Waukesha County, Wisconsin
Platteville 1,470 City in Grant County, Wisconsin
Dickeyville 1,020 Village in Grant County, Wisconsin
Preston 980 A city in Grant County, Wisconsin
Arthur 791 Township in Chippewa County, Wisconsin
Beetown 763 Unincorporated community in the Town of Beetown, Grant County, Wisconsin
Fennimore 601 City in Grant County, Wisconsin
Mount Ida 570 Human settlement in Grant County, Wisconsin, United States of America
Ellenboro 538 Human settlement in Grant County, Wisconsin, United States of America
Hickory Grove 464 Human settlement in Grant County, Wisconsin, United States of America
Cassville 430 Village in Grant County, Wisconsin
Blue River 418 Human settlement in Grant County, Wisconsin, United States of America
Glen Haven 408 Human settlement in Grant County, Wisconsin, United States of America
Boscobel 400 Fourth-class city in Grant County, Wisconsin