Potosi is a city located in Washington County, in the state of Missouri (MO), United States. Nestled in the West North Central division of the Midwest region, it covers an area of 2.2 square miles (6.0 km²) and sits at an elevation of 880 ft. With a population of approximately 2,662 residents, Potosi offers a peaceful, rural atmosphere.
The town's population is composed of about 44.89% males and 55.11% females, and it has a population density of 221.10 people per square mile (471.47/km²). Potosi lies at a latitude of 37.94 and a longitude of -90.78, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (30.9%), followed by English (3.2%), German (9.5%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 63664.