Macomb, IL

Full City Profile · Illinois · McDonough County County

2.9 /5.0
C+ Fair
15,006 Population 1,405/sq mi density
$39,753 Median Income $27,252 per capita
$99,800 Home Value $112,965 Zillow
$733 Median Rent 33.0% income on rent
52°F Avg Temperature
74 Violent Crime/100K 439 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
D
Economy
1.9 / 5.0
$39,753 median income, 12.1% unemployment
A+
Affordability
5.0 / 5.0
$99,800 home value, $733/mo rent
F
Safety
1.0 / 5.0
74 violent crimes/100K
B+
Education
3.8 / 5.0
35.4% bachelor's degree or higher
Macomb experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 24°F in January while summers reach 75°F in July. Annual precipitation totals 39.1 inches. The area receives 10.5 inches of snow annually.

Temperature

24°F Jan (-4°C) 75°F Jul (24°C)
Annual Average51.5°F
5% below US avg
January Average24°F (-4°C)
July Average75°F (24°C)

Geography

Elevation646 ft (197 m)
Area10.7 sq mi (27.7 km²)
Population Density1,405/sq mi
Coordinates40.4701°N, 90.6831°W
TimezoneAmerica/Chicago
CountyMcDonough County County
Nearest AirportSoutheast Iowa Regional (BRL)
32 miles away

Precipitation & Snow

Annual Rainfall 39.1"
3% above US avg
Snowfall 10.5"
Wettest Month (May) 4.91"
Driest Month (Jan) 1.86"

Air Quality

Natural Hazard Risk

Overall RiskVery Low
Risk Score37.5 / 100
Social Vulnerability61.9 / 100
Community Resilience74.3 / 100

Hazard Breakdown

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

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M2.9. Most recent: M2.9 on Feb 8, 2004.

Feb 8, 2004 6 km SSW of Stoutsville, Missouri M2.9 149 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

534 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 14 fatalities, 584 injuries.

Date Rating Distance Fatalities
Nov 17, 2013 EF4 96 km 3
May 13, 1995 EF4 54 km 0
May 13, 1995 EF4 34 km 0
Jun 29, 1976 EF4 87 km 0
Apr 4, 2023 EF3 34 km 0
Dec 31, 2010 EF3 88 km 0
Jun 1, 2007 EF3 99 km 0
May 10, 2003 EF3 85 km 0
Apr 8, 1999 EF3 66 km 0
May 13, 1995 EF3 64 km 0
Jun 21, 1981 EF3 27 km 1
Aug 15, 1978 EF3 89 km 0
Jul 23, 1975 EF3 31 km 0
Jul 23, 1975 EF3 44 km 2
Jun 13, 1975 EF3 43 km 0
Apr 13, 1974 EF3 71 km 0
Sep 30, 1973 EF3 34 km 0
May 1, 1973 EF3 89 km 2
May 15, 1968 EF3 77 km 0
Jan 24, 1967 EF3 58 km 1
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

5 wildfires (100+ acres) within 100 km. Largest: UNIT 3 (1,206 ac, 1999).

Year Name Acres Distance
1999 UNIT 3 1,206 79 km
2002 HSB 03 2 1,130 80 km
2000 DESTRUST A 756 80 km
2006 HSB 003 674 79 km
2004 HSB 009 608 80 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 24°F (-4°C) 1.9 in Coldest, Driest
February 29°F (-2°C) 1.9 in
March 40°F (4°C) 2.4 in
April 52°F (11°C) 3.9 in
May 63°F (17°C) 4.9 in Wettest
June 72°F (22°C) 4.9 in
July 75°F (24°C) 4.3 in Warmest
August 73°F (23°C) 3.6 in
September 66°F (19°C) 3.7 in
October 55°F (13°C) 3.3 in
November 41°F (5°C) 2.6 in
December 30°F (-1°C) 2.0 in

Macomb has a seasonal temperature swing of 51°F / from 24°F in January to 75°F in July. Total annual precipitation is 39.1 inches, with May being the wettest month (4.9") and January the driest (1.9").

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