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Blue Mound, IL

Full City Profile · Illinois · Christian County County

3.5 /5.0
B+ Good
891 Population 1,510/sq mi density
$63,472 Median Income $35,587 per capita
$98,700 Home Value $140,642 Zillow
$871 Median Rent 26.9% income on rent
53°F Avg Temperature 293 sunny days/yr
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$63,472 median income, 1.6% unemployment
A+
Affordability
5.0 / 5.0
$98,700 home value, $871/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C
Education
2.4 / 5.0
17.8% bachelor's degree or higher
Blue Mound experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 27°F in January while summers reach 76°F in July. The area gets 293 sunny days per year. Annual precipitation totals 40.4 inches. The area receives 13.6 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

27°F Jan (-3°C) 76°F Jul (24°C)
Annual Average53.0°F
2% below US avg
January Average27°F (-3°C)
July Average76°F (24°C)
Sunny Days293 days/yr

Geography

Elevation618 ft (188 m)
Area0.2 sq mi (0.6 km²)
Population Density1,510/sq mi
Coordinates39.7006°N, 89.1185°W
TimezoneAmerica/Chicago
CountyChristian County County
Nearest AirportCentral Il Regional/Bloomington-Normal (BMI)
55 miles away

Precipitation & Snow

Annual Rainfall 40.4"
6% above US avg
Snowfall 13.6"
Wettest Month (May) 4.33"
Driest Month (Jan) 1.89"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score54.0 / 100
Social Vulnerability17.1 / 100
Community Resilience85.0 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Very Low
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively Low
Hail Relatively Low
Strong Wind Relatively Moderate
Heat Wave Relatively Low
Winter Weather Relatively Low
Lightning Relatively Low
Ice Storm Relatively Low
Drought Relatively High
Cold Wave Relatively Moderate
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

11 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.4. Most recent: M3.3 on May 13, 2025.

Nov 11, 1991 3 km W of Flat Rock, Illinois M3.8 150 km
Mar 2, 1990 9 km NW of Vernon, Illinois M3.4 95 km
May 13, 2025 7 km SSW of Lerna, Illinois M3.3 78 km
Jan 29, 1993 7 km WNW of Brownstown, Illinois M3.2 75 km
Jul 1, 2017 9 km SSE of Mulberry Grove, Illinois M3.1 95 km
Dec 16, 1996 3 km NNE of Terre Haute, Indiana M3.1 149 km
Sep 5, 1995 3 km N of Woodlawn, Illinois M2.9 149 km
Sep 5, 2004 3 km WNW of Saint Peter, Illinois M2.9 93 km
Apr 24, 1990 5 km SW of Newton, Illinois M2.9 115 km
Mar 28, 2024 1 km NNE of Germantown, Illinois M2.8 131 km
Sep 14, 2011 8 km NW of Mount Erie, Illinois M2.7 144 km
May 17, 2022 6 km NNW of Mount Vernon, Illinois M2.5 149 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

743 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 26 fatalities, 661 injuries.

Date Rating Distance Fatalities
May 5, 1977 EF4 62 km 0
Mar 20, 1976 EF4 29 km 0
Jun 14, 1957 EF4 50 km 2
Dec 1, 2018 EF3 40 km 0
Nov 17, 2013 EF3 69 km 0
Apr 19, 2011 EF3 67 km 0
Dec 31, 2010 EF3 71 km 0
Aug 19, 2009 EF3 47 km 0
May 10, 2003 EF3 98 km 0
Jun 1, 1999 EF3 64 km 1
Apr 19, 1996 EF3 14 km 0
Apr 19, 1996 EF3 85 km 0
Apr 19, 1996 EF3 72 km 0
May 9, 1995 EF3 56 km 0
Jul 26, 1978 EF3 58 km 0
Aug 21, 1977 EF3 50 km 6
Aug 6, 1977 EF3 52 km 0
Mar 20, 1976 EF3 57 km 0
Aug 10, 1974 EF3 95 km 0
Aug 10, 1974 EF3 82 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 1.9 in Coldest, Driest
February 30°F (-1°C) 1.9 in
March 42°F (5°C) 3.3 in
April 53°F (12°C) 3.8 in
May 64°F (18°C) 4.3 in Wettest
June 72°F (22°C) 4.0 in
July 76°F (24°C) 4.1 in Warmest
August 74°F (23°C) 3.6 in
September 67°F (20°C) 3.1 in
October 55°F (13°C) 2.8 in
November 42°F (6°C) 3.3 in
December 31°F (-1°C) 2.8 in

Blue Mound has a seasonal temperature swing of 49°F / from 27°F in January to 76°F in July. Total annual precipitation is 38.9 inches, with May being the wettest month (4.3") and January the driest (1.9").

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