Potosi, Missouri
Potosi is a city in Washington County, Missouri, with an estimated population of 2,540 in 2023. It sits at 37.9337, -90.7750 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Potosi |
| Type | city |
| State | Missouri (MO) |
| County | Washington County |
| Population (2023 est.) | 2,540 |
| Land area | 2.33 sq mi (6.03 km²) |
| Coordinates | 37.9337, -90.7750 |
| Time zone | America/Chicago |
| ZIP codes | 63664 |
ZIP codes and area codes for Potosi
Potosi covers 1 ZIP code: 63664. Browse all ZIP codes in Missouri for the full list.
Where is Potosi?
Potosi is located in Missouri, in Washington County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Irondale 14 km · MOLeadwood 18 km · MOBonne Terre 20 km · MOBismarck 23 km · MODesloge 23 km · MOPark Hills 27 km · MOLeadington 28 km · MODe Soto 30 km · MO
Other places in Washington County
Frequently asked questions
What county is Potosi, MO in?
Potosi is in Washington County, Missouri.
What is the population of Potosi, MO?
The 2023 Census Bureau estimate is 2,540.
What time zone is Potosi in?
Potosi is in the America/Chicago time zone.