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Union, MO

Full City Profile · Missouri

3.3 /5.0
B Good
12,560 Population 1,382/sq mi density
$71,760 Median Income $33,008 per capita
$199,100 Home Value $252,325 Zillow
$847 Median Rent 21.2% income on rent
55°F Avg Temperature 264 sunny days/yr
301 Violent Crime/100K 5,176 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$71,760 median income, 3.4% unemployment
A+
Affordability
5.0 / 5.0
$199,100 home value, $847/mo rent
F
Safety
1.0 / 5.0
301 violent crimes/100K
B
Education
3.0 / 5.0
25.6% bachelor's degree or higher
Union experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 29°F in January while summers reach 77°F in July. The area gets 264 sunny days per year. Annual precipitation totals 39.7 inches. The area receives 6.9 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

29°F Jan (-2°C) 77°F Jul (25°C)
Annual Average54.8°F
1% above US avg
January Average29°F (-2°C)
July Average77°F (25°C)
Sunny Days264 days/yr

Geography

Elevation548 ft (167 m)
Area3.5 sq mi (9.2 km²)
Population Density1,382/sq mi
Coordinates38.4501°N, 91.0085°W
TimezoneAmerica/Chicago
Nearest AirportSt Louis Lambert International (STL)
40 miles away

Precipitation & Snow

Annual Rainfall 39.7"
4% above US avg
Snowfall 6.9"
Wettest Month (May) 4.49"
Driest Month (Jan) 1.89"

Air Quality

AQI Median41.0
RatingGood

Earthquake History

28 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.9. Most recent: M2.6 on Sep 19, 2024.

Jun 7, 2011 18 km NNW of Potosi, Missouri M3.9 43 km
Aug 27, 1993 5 km SSE of Olympian Village, Missouri M3.3 64 km
Jul 8, 2003 1 km N of Leasburg, Missouri M2.9 46 km
May 18, 2006 9 km SSE of De Soto, Missouri M2.9 61 km
Feb 8, 2004 6 km SSW of Stoutsville, Missouri M2.9 139 km
Apr 29, 2022 1 km SSW of Peerless Park, Missouri M2.8 45 km
Mar 28, 2024 1 km NNE of Germantown, Illinois M2.8 129 km
Jul 31, 1995 8 km SSW of Caledonia, Missouri M2.8 86 km
Sep 13, 1997 3 km SSE of Darmstadt, Illinois M2.8 115 km
May 5, 2008 3 km SSE of Fenton, Missouri M2.8 52 km
Aug 26, 1992 5 km W of Frohna, Missouri M2.8 147 km
Nov 5, 1996 11 km SW of Marquand, Missouri M2.7 137 km
Jul 22, 1998 12 km NE of Mine La Motte, Missouri M2.7 111 km
Nov 12, 1996 15 km SSE of Olympian Village, Missouri M2.7 73 km
Jun 16, 1993 2 km SE of Longtown, Missouri M2.7 141 km
Jul 15, 1990 7 km SW of Potosi, Missouri M2.7 65 km
Sep 5, 2015 5 km SE of High Ridge, Missouri M2.7 46 km
Nov 25, 2013 8 km NE of Bonne Terre, Missouri M2.6 70 km
Jun 11, 1996 2 km SSE of Perryville, Missouri M2.6 131 km
Mar 7, 2009 7 km S of Miramiguoa Park, Missouri M2.6 31 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

488 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 70 fatalities, 1,113 injuries.

Date Rating Distance Fatalities
Apr 22, 2011 EF4 55 km 0
Apr 3, 1981 EF4 82 km 0
Jun 22, 1969 EF4 90 km 4
Jun 22, 1969 EF4 56 km 2
Dec 21, 1967 EF4 86 km 3
Jan 24, 1967 EF4 47 km 3
Feb 10, 1959 EF4 37 km 21
Feb 24, 1956 EF4 8 km 6
Dec 10, 2021 EF3 19 km 1
Dec 10, 2021 EF3 89 km 6
Oct 24, 2021 EF3 98 km 0
May 31, 2013 EF3 35 km 0
May 31, 2013 EF3 84 km 0
Dec 31, 2010 EF3 90 km 2
Dec 31, 2010 EF3 47 km 1
Mar 13, 2006 EF3 52 km 0
Mar 13, 2006 EF3 74 km 0
Mar 11, 2006 EF3 70 km 0
Jun 1, 1999 EF3 77 km 0
Nov 15, 1988 EF3 90 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: SMITH MILL HOLLOW (3,978 ac, 2022).

Year Name Acres Distance
2022 SMITH MILL HOLLOW 3,978 55 km
2021 COUNCIL BLUFF 3,035 82 km
2024 COUNCIL BLUFF WEST RX 2,846 82 km
2005 UNNAMED 2,751 74 km
2019 UNNAMED 2,688 54 km
2010 COUNCIL BLUFF LAKE 2,651 82 km
2006 UNNAMED 2,512 82 km
2021 BEAR PAW 2,080 71 km
2024 BEAR PAW RX 2,067 71 km
2004 CICERO CREEK 1,846 46 km
2021 BERRYMAN BLOCK B AND C 1,728 57 km
2015 UNNAMED 1,586 76 km
2010 DELBRIDGE SOUTH 1,574 75 km
2000 UNNAMED 1,552 96 km
1999 UNNAMED 1,483 95 km
2024 HARMON SPRING RX 1,330 52 km
2018 UNNAMED 1,285 52 km
2013 UNNAMED 1,196 70 km
2022 JOHNSON MOUNTAIN 1,155 83 km
2021 BARNEY 1,120 96 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 29°F (-2°C) 1.9 in Coldest, Driest
February 35°F (2°C) 2.1 in
March 45°F (7°C) 3.5 in
April 55°F (13°C) 3.7 in
May 64°F (18°C) 4.5 in Wettest
June 73°F (23°C) 3.8 in
July 77°F (25°C) 3.6 in Warmest
August 76°F (24°C) 3.3 in
September 68°F (20°C) 3.6 in
October 57°F (14°C) 3.2 in
November 45°F (7°C) 3.5 in
December 34°F (1°C) 3.0 in

Union has a seasonal temperature swing of 48°F / from 29°F in January to 77°F in July. Total annual precipitation is 39.7 inches, with May being the wettest month (4.5") and January the driest (1.9").

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