Potosi Flag

Potosi

County Seat:
Yes
Area (mi²):
2.328
State:
Missouri

Potosi is a city located in Washington County, Missouri. Potosi has a 2026 population of 2,549. It is also the county seat of Washington County. Potosi is currently declining at a rate of -0.08% annually and its population has decreased by -0.23% since the most recent census, which recorded a population of 2,555 in 2020.

2.5K
Total Population
1,095
Density (mi²)
-2 -0.08%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)