Macon, IL

Full City Profile · Illinois · Macon County County

3.7 /5.0
B+ Good
1,035 Population 815/sq mi density
$74,063 Median Income $37,062 per capita
$109,500 Home Value $162,911 Zillow
$800 Median Rent 28.8% income on rent
53°F Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$74,063 median income, 3.0% unemployment
A+
Affordability
5.0 / 5.0
$109,500 home value, $800/mo rent
D
Education
1.9 / 5.0
11.6% bachelor's degree or higher
Macon 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. Annual precipitation totals 36.4 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 Average53.1°F
2% below US avg
January Average27°F (-3°C)
July Average76°F (24°C)

Geography

Elevation709 ft (216 m)
Area1.3 sq mi (3.3 km²)
Population Density815/sq mi
Coordinates39.7087°N, 88.9967°W
TimezoneAmerica/Chicago
CountyMacon County County
Nearest AirportCentral Il Regional/Bloomington-Normal (BMI)
53 miles away

Precipitation & Snow

Annual Rainfall 36.4"
4% below US avg
Snowfall 13.6"
Wettest Month (May) 4.38"
Driest Month (Feb) 1.84"

Air Quality

AQI Median43.0
RatingGood
Good Days %65.0%
Unhealthy Days1

Air Pollutants (EPA 2023)

Ozone (O₃)0.0498 ppm
SO₂ (Sulfur Dioxide)2.66 ppb
PM2.5 (Fine Particles)9.3 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score83.3 / 100
Social Vulnerability50.8 / 100
Community Resilience91.0 / 100

Hazard Breakdown

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

Earthquake History

13 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.8. Most recent: M3.3 on May 13, 2025.

Jun 17, 2021 Illinois-Indiana border region M3.8 147 km
Nov 11, 1991 3 km W of Flat Rock, Illinois M3.8 142 km
Mar 2, 1990 9 km NW of Vernon, Illinois M3.4 97 km
May 30, 2015 4 km ENE of Geff, Illinois M3.4 149 km
May 13, 2025 7 km SSW of Lerna, Illinois M3.3 69 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 98 km
Dec 16, 1996 3 km NNE of Terre Haute, Indiana M3.1 139 km
Sep 5, 1995 3 km N of Woodlawn, Illinois M2.9 150 km
Sep 5, 2004 3 km WNW of Saint Peter, Illinois M2.9 92 km
Apr 24, 1990 5 km SW of Newton, Illinois M2.9 108 km
Mar 28, 2024 1 km NNE of Germantown, Illinois M2.8 135 km
Sep 14, 2011 8 km NW of Mount Erie, Illinois M2.7 140 km
May 17, 2022 6 km NNW of Mount Vernon, Illinois M2.5 149 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

754 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 26 fatalities, 620 injuries.

Date Rating Distance Fatalities
May 5, 1977 EF4 64 km 0
Mar 20, 1976 EF4 20 km 0
Jun 14, 1957 EF4 60 km 2
Dec 1, 2018 EF3 47 km 0
Nov 17, 2013 EF3 59 km 0
Nov 17, 2013 EF3 92 km 0
Apr 19, 2011 EF3 77 km 0
Dec 31, 2010 EF3 80 km 0
Aug 19, 2009 EF3 56 km 0
Jun 1, 1999 EF3 72 km 1
Apr 19, 1996 EF3 75 km 0
Apr 19, 1996 EF3 74 km 0
Apr 19, 1996 EF3 20 km 0
May 9, 1995 EF3 66 km 0
Jul 26, 1978 EF3 68 km 0
Aug 21, 1977 EF3 43 km 6
Aug 6, 1977 EF3 63 km 0
Mar 20, 1976 EF3 66 km 0
Aug 10, 1974 EF3 89 km 0
Aug 10, 1974 EF3 72 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 2.0 in Coldest
February 32°F (-0°C) 1.8 in Driest
March 42°F (6°C) 2.5 in
April 53°F (12°C) 3.7 in
May 64°F (18°C) 4.4 in Wettest
June 73°F (23°C) 4.4 in
July 76°F (24°C) 3.3 in Warmest
August 74°F (23°C) 3.0 in
September 67°F (19°C) 3.0 in
October 55°F (13°C) 3.2 in
November 43°F (6°C) 3.0 in
December 32°F (0°C) 2.1 in

Macon has a seasonal temperature swing of 48°F / from 27°F in January to 76°F in July. Total annual precipitation is 36.4 inches, with May being the wettest month (4.4") and February the driest (1.8").

View full weather details →