Union, MO

Full City Profile · Missouri

3.2 /5.0
B Good
12,560 Population 1,382/sq mi density
$71,760 Median Income $33,008 per capita
$199,100 Home Value $256,703 Zillow
$847 Median Rent 21.2% income on rent
57°F Avg Temperature
401 Violent Crime/100K 2,347 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$71,760 median income, 5.2% unemployment
A+
Affordability
5.0 / 5.0
$199,100 home value, $847/mo rent
F
Safety
1.0 / 5.0
401 violent crimes/100K (6% above avg)
B
Education
3.0 / 5.0
25.6% bachelor's degree or higher
Union enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 33°F in January while summers reach 79°F in July. Annual precipitation totals 45.0 inches. The area receives 14.4 inches of snow annually.

Temperature

33°F Jan (1°C) 79°F Jul (26°C)
Annual Average56.9°F
5% above US avg
January Average33°F (1°C)
July Average79°F (26°C)

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 45.0"
18% above US avg
Snowfall 14.4"
Wettest Month (Apr) 4.99"
Driest Month (Feb) 2.45"

Air Quality

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 33°F (1°C) 2.7 in Coldest
February 37°F (3°C) 2.5 in Driest
March 47°F (8°C) 3.9 in
April 58°F (14°C) 5.0 in Wettest
May 67°F (19°C) 4.9 in
June 75°F (24°C) 4.2 in
July 79°F (26°C) 4.7 in Warmest
August 78°F (25°C) 3.8 in
September 69°F (21°C) 3.6 in
October 58°F (14°C) 3.3 in
November 46°F (8°C) 3.7 in
December 37°F (3°C) 2.7 in

Union has a seasonal temperature swing of 46°F / from 33°F in January to 79°F in July. Total annual precipitation is 45.0 inches, with April being the wettest month (5.0") and February the driest (2.5").

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