Keithsburg, IL

Full City Profile · Illinois · Mercer County County

3.0 /5.0
B Good
520 Population 203/sq mi density
$46,875 Median Income $40,650 per capita
$58,800 Home Value $83,005 Zillow
$609 Median Rent 27.5% income on rent
51°F Avg Temperature
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$46,875 median income, 11.5% unemployment
A+
Affordability
5.0 / 5.0
$58,800 home value, $609/mo rent
F
Education
1.3 / 5.0
3.7% bachelor's degree or higher
Keithsburg experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 23°F in January while summers reach 76°F in July. Annual precipitation totals 37.3 inches. The area receives 20.4 inches of snow annually.

Temperature

23°F Jan (-5°C) 76°F Jul (24°C)
Annual Average51.2°F
5% below US avg
January Average23°F (-5°C)
July Average76°F (24°C)

Geography

Elevation544 ft (166 m)
Area3.2 sq mi (8.2 km²)
Population Density203/sq mi
Coordinates41.1000°N, 90.9361°W
TimezoneAmerica/Chicago
CountyMercer County County
Nearest AirportSoutheast Iowa Regional (BRL)
24 miles away

Precipitation & Snow

Annual Rainfall 37.3"
2% below US avg
Snowfall 20.4"
Wettest Month (May) 4.82"
Driest Month (Jan) 1.55"

Air Quality

Natural Hazard Risk

Overall RiskVery Low
Risk Score8.8 / 100
Social Vulnerability10.6 / 100
Community Resilience85.7 / 100

Hazard Breakdown

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

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M3.5. Most recent: M3.5 on Sep 2, 1999.

Sep 2, 1999 8 km W of Amboy, Illinois M3.5 143 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

636 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 8 fatalities, 361 injuries.

Date Rating Distance Fatalities
Mar 31, 2023 EF4 94 km 0
May 13, 1995 EF4 66 km 0
May 13, 1995 EF4 97 km 0
Apr 11, 1965 EF4 83 km 1
Apr 4, 2023 EF3 100 km 0
Jun 1, 2007 EF3 28 km 0
Apr 8, 1999 EF3 94 km 0
May 15, 1998 EF3 69 km 0
May 9, 1995 EF3 98 km 0
May 9, 1995 EF3 54 km 0
Mar 13, 1990 EF3 78 km 0
May 8, 1988 EF3 73 km 0
Aug 15, 1978 EF3 23 km 0
Jul 23, 1975 EF3 87 km 2
Jul 23, 1975 EF3 80 km 0
Jun 13, 1975 EF3 74 km 0
Jun 14, 1974 EF3 38 km 0
May 13, 1974 EF3 64 km 0
Sep 30, 1973 EF3 97 km 0
Apr 21, 1967 EF3 84 km 0
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 13 km
2002 HSB 03 2 1,130 14 km
2000 DESTRUST A 756 14 km
2006 HSB 003 674 13 km
2004 HSB 009 608 14 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 23°F (-5°C) 1.6 in Coldest, Driest
February 28°F (-3°C) 1.9 in
March 39°F (4°C) 2.4 in
April 51°F (11°C) 3.8 in
May 62°F (17°C) 4.8 in Wettest
June 72°F (22°C) 4.8 in
July 76°F (24°C) 3.5 in Warmest
August 73°F (23°C) 3.5 in
September 66°F (19°C) 3.8 in
October 54°F (12°C) 2.8 in
November 41°F (5°C) 2.2 in
December 29°F (-2°C) 2.0 in

Keithsburg has a seasonal temperature swing of 52°F / from 23°F in January to 76°F in July. Total annual precipitation is 37.3 inches, with May being the wettest month (4.8") and January the driest (1.6").

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