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Galva, IL

Full City Profile · Illinois · Henry County County

3.2 /5.0
B Good
2,543 Population 911/sq mi density
$55,446 Median Income $31,213 per capita
$77,800 Home Value $108,676 Zillow
$777 Median Rent 26.7% income on rent
50°F Avg Temperature 275 sunny days/yr
293 Violent Crime/100K 3,367 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$55,446 median income, 1.3% unemployment
A+
Affordability
5.0 / 5.0
$77,800 home value, $777/mo rent
F
Safety
1.0 / 5.0
293 violent crimes/100K
C+
Education
2.9 / 5.0
23.7% bachelor's degree or higher
Galva experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 38.7 inches. Air quality is rated Good with a median AQI of 43.

Temperature

22°F Jan (-6°C) 74°F Jul (23°C)
Annual Average49.5°F
8% below US avg
January Average22°F (-6°C)
July Average74°F (23°C)
Sunny Days275 days/yr

Geography

Elevation832 ft (254 m)
Area1.1 sq mi (2.8 km²)
Population Density911/sq mi
Coordinates41.1689°N, 90.0374°W
TimezoneAmerica/Chicago
CountyHenry County County
Nearest AirportQuad Cities International (MLI)
31 miles away

Precipitation & Snow

Annual Rainfall 38.7"
2% above US avg
Wettest Month (Jun) 4.37"
Driest Month (Feb) 1.38"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score57.1 / 100
Social Vulnerability14.8 / 100
Community Resilience83.8 / 100

Hazard Breakdown

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

Earthquake History

4 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M2.6 on Mar 15, 2025.

Jun 28, 2004 12 km NW of Dayton, Illinois M4.2 100 km
Sep 2, 1999 8 km W of Amboy, Illinois M3.5 79 km
Jul 15, 2024 2 km WNW of Somonauk, Illinois M3.1 123 km
Mar 15, 2025 6 km W of Dwight, Illinois M2.6 129 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

662 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 21 fatalities, 555 injuries.

Date Rating Distance Fatalities
Apr 9, 2015 EF4 98 km 2
Nov 17, 2013 EF4 73 km 3
Jul 13, 2004 EF4 72 km 0
May 13, 1995 EF4 92 km 0
Mar 29, 1981 EF4 57 km 0
Jun 29, 1976 EF4 48 km 0
Apr 4, 2023 EF3 96 km 0
Feb 28, 2017 EF3 93 km 2
Feb 28, 2017 EF3 64 km 0
Jun 1, 2007 EF3 97 km 0
Apr 20, 2004 EF3 64 km 8
May 10, 2003 EF3 83 km 0
May 13, 1995 EF3 84 km 0
May 9, 1995 EF3 83 km 0
May 9, 1995 EF3 25 km 0
Mar 13, 1990 EF3 52 km 0
May 8, 1988 EF3 90 km 0
Aug 15, 1978 EF3 63 km 0
Jun 30, 1977 EF3 98 km 0
Mar 4, 1976 EF3 39 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 88 km
2002 HSB 03 2 1,130 89 km
2000 DESTRUST A 756 89 km
2006 HSB 003 674 89 km
2004 HSB 009 608 89 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 22°F (-6°C) 1.5 in Coldest
February 26°F (-4°C) 1.4 in Driest
March 38°F (3°C) 2.8 in
April 50°F (10°C) 3.9 in
May 61°F (16°C) 4.1 in
June 71°F (21°C) 4.4 in Wettest
July 74°F (23°C) 4.2 in Warmest
August 72°F (22°C) 4.2 in
September 64°F (18°C) 3.7 in
October 53°F (12°C) 2.8 in
November 39°F (4°C) 2.7 in
December 26°F (-3°C) 2.2 in

Galva has a seasonal temperature swing of 52°F / from 22°F in January to 74°F in July. Total annual precipitation is 37.8 inches, with June being the wettest month (4.4") and February the driest (1.4").

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