Macomb, IL

Full City Profile · Illinois · McDonough County County

3.0 /5.0

B Good

15,006 Population 1,405/sq mi density

$39,753 Median Income $27,252 per capita

$99,800 Home Value $107,561 Zillow

$733 Median Rent 33.0% income on rent

52°F Avg Temperature 275 sunny days/yr

340 Violent Crime/100K 1,452 property/100K

Overall

3.0 / 5.0

Good overall score based on economy, affordability, safety and education

Economy

2.2 / 5.0

$39,753 median income, 7.4% unemployment

A+

Affordability

5.0 / 5.0

$99,800 home value, $733/mo rent

Safety

1.0 / 5.0

340 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 25°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 40.9 inches. Air quality is rated Good with a median AQI of 43.

Temperature

25°F Jan (-4°C) 75°F Jul (24°C)

Annual Average	51.7°F
	4% below US avg
January Average	25°F (-4°C)
July Average	75°F (24°C)
Sunny Days	275 days/yr

Geography

Elevation	646 ft (197 m)
Area	10.7 sq mi (27.7 km²)
Population Density	1,405/sq mi
Coordinates	40.4701°N, 90.6831°W
Timezone	America/Chicago
County	McDonough County County
Nearest Airport	Southeast Iowa Regional (BRL) 32 miles away

Precipitation & Snow

Annual Rainfall 40.9"

8% above US avg

Wettest Month (May) 4.17"

Driest Month (Feb) 1.38"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	37.5 / 100
Social Vulnerability	61.9 / 100
Community Resilience	74.3 / 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	25°F (-4°C)	1.4 in	Coldest
February	29°F (-2°C)	1.4 in	Driest
March	40°F (5°C)	2.9 in
April	52°F (11°C)	3.7 in
May	62°F (17°C)	4.2 in	Wettest
June	72°F (22°C)	4.0 in
July	75°F (24°C)	4.2 in	Warmest
August	74°F (23°C)	3.5 in
September	66°F (19°C)	4.0 in
October	54°F (12°C)	3.0 in
November	41°F (5°C)	2.7 in
December	29°F (-2°C)	2.2 in

Macomb has a seasonal temperature swing of 50°F / from 25°F in January to 75°F in July. Total annual precipitation is 37.2 inches, with May being the wettest month (4.2") and February the driest (1.4").

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