Potosi, WI zip code
Potosi, Wisconsin uses one zip code: 53820. Most of it is in Grant County. Together these zip codes are home to about 2.5K people.
Zip codes
1
Population
2.5K
All zips combined
Largest zip
53820
2,467 residents
Zip codes in Potosi
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 53820 | 2,467 | $77,083 |