Potosi Flag

Potosi

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

Potosi is a city located in Washington County, Missouri. Potosi has a 2025 population of 2,538. It is also the county seat of Washington County. Potosi is currently declining at a rate of -0.04% annually and its population has decreased by -0.2% since the most recent census, which recorded a population of 2,543 in 2020.

The average household income in Potosi is $46,120 with a poverty rate of 24.64%.The median age in Potosi is 35.6 years: 34 years for males, and 41.1 years for females.

2.5K
Total Population
1,090
Density (mi²)
-1 -0.04%
Growth

Potosi Population

Potosi Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Potosi includes 87.61% White, and smaller percentages for Black or African American, other race, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White2,22787.61%
Two or more races27310.74%
Black or African American170.67%
Other race150.59%
Asian100.39%

Potosi Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Potosi's average per capita income is $32,045. Household income levels show a median of $37,055. The poverty rate stands at 24.64%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$54,167-
Families$45,194$51,209
Households$37,055$46,120
Non Families$28,750$33,194

$32,045

Average Income

$37,055

Median Household Income

24.64%

Poverty Rate

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)