Coralville, IA

Full City Profile · Iowa · Johnson County County

3.6 /5.0
B+ Good
22,846 Population 1,803/sq mi density
$66,508 Median Income $47,788 per capita
$286,000 Home Value $261,923 Zillow
$1,021 Median Rent 32.4% income on rent
51°F Avg Temperature
133 Violent Crime/100K 2,064 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$66,508 median income, 2.5% unemployment
A
Affordability
4.3 / 5.0
$286,000 home value, $1,021/mo rent
F
Safety
1.0 / 5.0
133 violent crimes/100K
A+
Education
5.0 / 5.0
57.3% bachelor's degree or higher
Coralville 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 35.7 inches. The area receives 27.5 inches of snow annually. Air quality is rated Good with a median AQI of 39.

Temperature

23°F Jan (-5°C) 76°F Jul (24°C)
Annual Average51.0°F
6% below US avg
January Average23°F (-5°C)
July Average76°F (24°C)

Geography

Elevation753 ft (230 m)
Area12.1 sq mi (31.2 km²)
Population Density1,803/sq mi
Coordinates41.6988°N, 91.5968°W
TimezoneAmerica/Chicago
CountyJohnson County County
Nearest AirportThe Eastern Iowa (CID)
15 miles away

Precipitation & Snow

Annual Rainfall 35.7"
6% below US avg
Snowfall 27.5"
Wettest Month (Jun) 5.29"
Driest Month (Jan) 1.04"

Air Quality

AQI Median39.0
RatingGood
Good Days %70.8%
Unhealthy Days0

Air Pollutants (EPA 2023)

PM2.5 (Fine Particles)10.3 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score87.4 / 100
Social Vulnerability11.4 / 100
Community Resilience96.7 / 100

Hazard Breakdown

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

Tornado History

638 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 7 fatalities, 260 injuries.

Date Rating Distance Fatalities
Mar 31, 2023 EF4 56 km 0
Mar 13, 1990 EF4 61 km 0
Aug 12, 1974 EF4 49 km 0
Aug 12, 1974 EF4 73 km 0
Aug 26, 1965 EF4 83 km 1
Apr 11, 1965 EF4 58 km 1
Apr 30, 1954 EF4 46 km 0
Mar 31, 2023 EF3 94 km 0
Jun 1, 2007 EF3 59 km 0
May 21, 2004 EF3 43 km 0
May 15, 1998 EF3 48 km 0
May 9, 1995 EF3 62 km 0
Jun 19, 1993 EF3 80 km 0
Jul 13, 1992 EF3 66 km 0
May 8, 1988 EF3 68 km 0
Aug 15, 1978 EF3 83 km 0
Nov 9, 1975 EF3 91 km 0
Jun 14, 1974 EF3 85 km 0
May 13, 1974 EF3 83 km 0
Jul 12, 1971 EF3 67 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

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

Year Name Acres Distance
1999 UNIT 3 1,206 78 km
2002 HSB 03 2 1,130 77 km
2009 UNNAMED 939 58 km
2010 FOLEY 786 55 km
2000 DESTRUST A 756 77 km
2011 ACE AUTO 676 45 km
2006 HSB 003 674 78 km
2004 HSB 009 608 77 km
2011 IRCP WUI ROFAE #2 FY11 510 65 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 23°F (-5°C) 1.0 in Coldest, Driest
February 27°F (-3°C) 1.2 in
March 40°F (4°C) 2.2 in
April 51°F (11°C) 3.8 in
May 63°F (17°C) 4.5 in
June 72°F (22°C) 5.3 in Wettest
July 76°F (24°C) 3.9 in Warmest
August 74°F (23°C) 3.9 in
September 66°F (19°C) 3.2 in
October 53°F (12°C) 3.0 in
November 40°F (4°C) 2.2 in
December 28°F (-2°C) 1.5 in

Coralville has a seasonal temperature swing of 53°F / from 23°F in January to 76°F in July. Total annual precipitation is 35.7 inches, with June being the wettest month (5.3") and January the driest (1.0").

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