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Potosi, MO

Full City Profile · Missouri

2.7 /5.0
C+ Fair
2,542 Population 1,091/sq mi density
$37,055 Median Income $18,901 per capita
$101,100 Home Value $181,025 Zillow
$719 Median Rent 32.0% income on rent
55°F Avg Temperature 261 sunny days/yr
575 Violent Crime/100K 6,669 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$37,055 median income, 1.9% unemployment
A+
Affordability
5.0 / 5.0
$101,100 home value, $719/mo rent
F
Safety
1.0 / 5.0
575 violent crimes/100K (51% above avg)
C
Education
2.1 / 5.0
14.0% bachelor's degree or higher
Potosi experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 30°F in January while summers reach 77°F in July. The area gets 261 sunny days per year. Annual precipitation totals 41.5 inches. The area receives 7.8 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

30°F Jan (-1°C) 77°F Jul (25°C)
Annual Average54.7°F
1% above US avg
January Average30°F (-1°C)
July Average77°F (25°C)
Sunny Days261 days/yr

Geography

Elevation899 ft (274 m)
Area2.3 sq mi (6.0 km²)
Population Density1,091/sq mi
Coordinates37.9364°N, 90.7879°W
TimezoneAmerica/Chicago
Nearest AirportFarmington Regional (FAM)
23 miles away

Precipitation & Snow

Annual Rainfall 41.5"
9% above US avg
Snowfall 7.8"
Wettest Month (May) 4.45"
Driest Month (Jan) 2.17"

Air Quality

AQI Median41.0
RatingGood

Earthquake History

58 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.8. Most recent: M2.9 on Jun 27, 2025.

Sep 26, 1990 4 km SE of Chaffee, Missouri M4.8 135 km
Jun 7, 2011 18 km NNW of Potosi, Missouri M3.9 19 km
Aug 16, 2003 5 km W of Thomasville, Missouri M3.7 146 km
Sep 22, 2011 6 km E of Grandin, Missouri M3.6 124 km
Aug 27, 1993 5 km SSE of Olympian Village, Missouri M3.3 35 km
Apr 6, 1994 2 km NE of Tamaroa, Illinois M3.2 140 km
Dec 27, 1992 2 km E of Pocahontas, Missouri M3.2 114 km
Mar 12, 2002 6 km S of Marble Hill, Missouri M3.1 106 km
Jun 27, 2005 6 km E of Grand Tower, Illinois M3.0 125 km
Feb 28, 1994 5 km NW of Harrison, Illinois M3.0 125 km
Jun 27, 2025 12 km WSW of Grandin, Missouri M2.9 131 km
May 18, 2006 9 km SSE of De Soto, Missouri M2.9 26 km
May 21, 2012 6 km SW of Williamsville, Missouri M2.9 113 km
Jul 8, 2003 1 km N of Leasburg, Missouri M2.9 49 km
Apr 29, 2022 1 km SSW of Peerless Park, Missouri M2.8 71 km
Mar 28, 2024 1 km NNE of Germantown, Illinois M2.8 130 km
Jul 31, 1995 8 km SSW of Caledonia, Missouri M2.8 28 km
Aug 26, 1992 5 km W of Frohna, Missouri M2.8 103 km
May 5, 2008 3 km SSE of Fenton, Missouri M2.8 69 km
Sep 13, 1997 3 km SSE of Darmstadt, Illinois M2.8 102 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

484 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 72 fatalities, 1,118 injuries.

Date Rating Distance Fatalities
Feb 28, 2017 EF4 73 km 1
Apr 22, 2011 EF4 93 km 0
Sep 22, 2006 EF4 89 km 0
Jun 22, 1969 EF4 31 km 4
Jun 22, 1969 EF4 27 km 2
Dec 21, 1967 EF4 41 km 3
Jan 24, 1967 EF4 85 km 3
Feb 10, 1959 EF4 68 km 21
Feb 24, 1956 EF4 58 km 6
Dec 10, 2021 EF3 74 km 1
Oct 24, 2021 EF3 56 km 0
Oct 24, 2021 EF3 42 km 0
May 31, 2013 EF3 84 km 0
Dec 31, 2010 EF3 68 km 1
Dec 31, 2010 EF3 89 km 2
Mar 11, 2006 EF3 70 km 2
Mar 11, 2006 EF3 45 km 0
Jun 1, 1999 EF3 79 km 0
Apr 19, 1996 EF3 84 km 0
Nov 15, 1988 EF3 96 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: MINNINGHAW (4,792 ac, 2011).

Year Name Acres Distance
2011 MINNINGHAW 4,792 72 km
2017 UNNAMED 4,602 73 km
2022 SMITH MILL HOLLOW 3,978 19 km
2021 KAINTUCK 3,325 100 km
2005 UNNAMED 3,252 74 km
2021 COUNCIL BLUFF 3,035 28 km
2022 LITTLE CREEK 3,004 74 km
2013 UNNAMED 2,963 98 km
2021 HODGE HOLLOW 2,922 73 km
2024 COUNCIL BLUFF WEST RX 2,846 28 km
2005 UNNAMED 2,831 100 km
2005 UNNAMED 2,751 23 km
2005 MCKENZIE HILL 2,722 80 km
2019 UNNAMED 2,688 24 km
2010 COUNCIL BLUFF LAKE 2,651 28 km
2022 MINNINGHAW 2,516 71 km
2006 UNNAMED 2,512 28 km
2021 THOMPSON HOLLOW 2,479 75 km
2019 UNNAMED 2,399 68 km
2024 UNNAMED 2,335 73 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 30°F (-1°C) 2.2 in Coldest, Driest
February 35°F (2°C) 2.3 in
March 45°F (7°C) 3.9 in
April 55°F (13°C) 4.0 in
May 64°F (18°C) 4.5 in Wettest
June 72°F (22°C) 3.5 in
July 77°F (25°C) 3.6 in Warmest
August 75°F (24°C) 3.7 in
September 68°F (20°C) 3.5 in
October 57°F (14°C) 3.0 in
November 45°F (7°C) 4.0 in
December 35°F (2°C) 3.4 in

Potosi has a seasonal temperature swing of 47°F / from 30°F in January to 77°F in July. Total annual precipitation is 41.5 inches, with May being the wettest month (4.5") and January the driest (2.2").

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