Potosi is located in Washington County, MO. The population is 2,688, making Potosi the largest city in Washington County.
There are 5 public schools in Potosi with an average Homefacts rating of B-. The total crime rate for Potosi is high , and there are 48 registered sex offenders residing in the city. Unemployment in Potosi is moderate and the median home sales price is $0. Detailed and up-to-date Potosi property reports are available for any property address.
Cities near Potosi include Breton Township, Mineral Point and Union Township.