Cedarville, IL

Full City Profile · Illinois · Stephenson County County

3.8 /5.0
B+ Good
705 Population 1,533/sq mi density
$59,712 Median Income $35,990 per capita
$110,600 Home Value $120,745 Zillow
$544 Median Rent 18.5% income on rent
48°F Avg Temperature
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$59,712 median income, 3.8% unemployment
A+
Affordability
5.0 / 5.0
$110,600 home value, $544/mo rent
C+
Education
2.7 / 5.0
20.8% bachelor's degree or higher
Cedarville experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 20°F in January while summers reach 72°F in July. Annual precipitation totals 38.4 inches. The area receives 34.5 inches of snow annually.

Temperature

20°F Jan (-7°C) 72°F Jul (22°C)
Annual Average47.7°F
12% below US avg
January Average20°F (-7°C)
July Average72°F (22°C)

Geography

Elevation846 ft (258 m)
Area0.2 sq mi (0.4 km²)
Population Density1,533/sq mi
Coordinates42.3757°N, 89.6363°W
TimezoneAmerica/Chicago
CountyStephenson County County
Nearest AirportChicago/Rockford International (RFD)
30 miles away

Precipitation & Snow

Annual Rainfall 38.4"
1% above US avg
Snowfall 34.5"
Wettest Month (Jun) 5.26"
Driest Month (Jan) 1.58"

Air Quality

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score73.9 / 100
Social Vulnerability56.7 / 100
Community Resilience68.6 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Relatively Moderate
Hail Relatively Moderate
Strong Wind Relatively High
Heat Wave Relatively Low
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

6 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M3.1 on Jul 15, 2024.

Jun 28, 2004 12 km NW of Dayton, Illinois M4.2 119 km
Feb 10, 2010 2 km NW of Lily Lake, Illinois M3.8 104 km
Sep 2, 1999 8 km W of Amboy, Illinois M3.5 75 km
Jul 15, 2024 2 km WNW of Somonauk, Illinois M3.1 111 km
Mar 25, 2015 3 km WNW of Lake in the Hills, Illinois M2.9 107 km
Jun 10, 2013 4 km NNE of Virgil, Illinois M2.6 102 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

563 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 46 fatalities, 953 injuries.

Date Rating Distance Fatalities
Jun 7, 1984 EF5 72 km 9
Apr 9, 2015 EF4 65 km 2
Jul 3, 1983 EF4 77 km 0
Mar 29, 1981 EF4 82 km 0
Apr 21, 1967 EF4 61 km 24
Jun 16, 2014 EF3 70 km 0
Jan 7, 2008 EF3 66 km 0
Aug 18, 2005 EF3 63 km 1
Jun 19, 1993 EF3 89 km 0
Jun 17, 1992 EF3 57 km 0
May 8, 1988 EF3 54 km 0
Aug 5, 1979 EF3 40 km 0
Jun 20, 1974 EF3 68 km 1
Sep 9, 1970 EF3 86 km 0
Aug 2, 1967 EF3 85 km 2
Apr 16, 1967 EF3 29 km 0
Jan 24, 1967 EF3 49 km 0
Jan 24, 1967 EF3 33 km 0
Jul 15, 2024 EF2 38 km 0
Jun 22, 2024 EF2 45 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

2 wildfires (100+ acres) within 100 km. Largest: RX-HWY Y - SOUTH (553 ac, 2024).

Year Name Acres Distance
2024 RX-HWY Y - SOUTH 553 98 km
2009 COLD SPRINGS 552 33 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 20°F (-7°C) 1.6 in Coldest, Driest
February 24°F (-5°C) 1.7 in
March 35°F (2°C) 2.2 in
April 47°F (8°C) 3.7 in
May 59°F (15°C) 4.4 in
June 69°F (21°C) 5.3 in Wettest
July 72°F (22°C) 4.2 in Warmest
August 70°F (21°C) 4.2 in
September 63°F (17°C) 4.1 in
October 50°F (10°C) 3.0 in
November 37°F (3°C) 2.4 in
December 26°F (-4°C) 1.8 in

Cedarville has a seasonal temperature swing of 53°F / from 20°F in January to 72°F in July. Total annual precipitation is 38.4 inches, with June being the wettest month (5.3") and January the driest (1.6").

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