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Potosi, MO

City in Washington County, Missouri.

Population

2,544

Land area

2.3sq mi

People per sq mi

1,093

ZIP codes

0

Potosi and its ZIP codes

Potosi at a glance

  • Potosi is about 12 times as dense as Missouri as a whole.
  • Households here earn a median of $39,846 a year, 44% less than the Missouri figure of $70,702.
  • A typical owner-occupied home is valued at $110,100 (52% below Missouri) and median rent is $788 a month.

Local data for Potosi, MO

Counts from official public data

Housing and community stats

Potosi, MO, American Community Survey 2020-2024

Full profile

Median household income

$39,846

Poverty rate

25.0%

Median home value

$110,100

Median rent

$788/mo

Homeownership

50.0%

Bachelor's or higher

9.0%

Median age

34.7

Average commute

30.7 min

Largest reported origins and ancestries: German Americans (443), Irish Americans (216), French Americans (120).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Washington County. PPP loans are for Potosi.

Details

Unemployment rate

4.3%

Aug 2026, -0.6 pts in a year

Average annual pay

$41,281

4,998 jobs, 2025

Income per person

$42,203

BEA, 2024

Federal spending

$153M

FY 2026, $6,494 per person

Washington County economyFederal spending

How people get to work

Potosi, MO, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone86.0%
  • Carpooled7.2%
  • Public transit0.0%
  • Walked1.6%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.0%
  • Worked from home5.2%

Average one-way commute: 30.7 minutes for people who do not work from home.

Environment and hazard risk

Potosi, MO, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: heat wave

Storm events since 1996

415

Countywide, mostly hail

Flood insurance policies

10

0.1% of homes, county

July high / Jan low

86° / 21°F

45.5 inches of rain a year

Hazards, floods and storm historyCheck a flood zone1 historic places

Health statistics

Share of adults in Potosi, MO, CDC PLACES estimates

All 40 measures

Obesity

39.9%

U.S. 33.3% +6.6 pts

Diabetes

14.5%

U.S. 12.1% +2.4 pts

Smoking

20.8%

U.S. 12.8% +8.0 pts

Uninsured (18-64)

11.0%

U.S. 11.1% about the same

Cities near Potosi

Frequently asked questions

What county is Potosi, MO in?
Potosi is in Washington County, Missouri.
What is the population of Potosi, MO?
About 2,544 people live in Potosi, based on American Community Survey 5-year estimates.
What cities are near Potosi?
Nearby places include Mineral Point (3.1 mi), Irondale (9 mi), Terre du Lac (9.2 mi), Frankclay (10 mi), Wortham (11 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023