Potosi, MO

View of Potosi, MO
Population
2,568
U.S. Census Population Estimates Program · 2025
Elevation
901 ft
USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
Median Home Value
$110,100
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$788/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$39,846
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Potosi

Set about an hour southwest of St. Louis, Potosi is the quiet county seat of Washington County. The town got its start as an 18th-century mining settlement, and you can still see that early heritage in its historic downtown and local landmarks. Today, it offers a relaxed, small-town pace surrounded by scenic hills and forests. With Mark Twain National Forest and popular floating streams right nearby, it makes a peaceful home base for outdoor lovers.

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