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Underwood, IA

Full City Profile · Iowa · Pottawattamie County County

3.6 /5.0
B+ Good
977 Population 896/sq mi density
$90,556 Median Income $38,706 per capita
$227,400 Home Value $372,918 Zillow
$819 Median Rent 14.1% income on rent
52°F Avg Temperature 275 sunny days/yr
546 Violent Crime/100K 6,640 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$90,556 median income, 1.3% unemployment
A+
Affordability
5.0 / 5.0
$227,400 home value, $819/mo rent
F
Safety
1.0 / 5.0
546 violent crimes/100K (44% above avg)
B+
Education
3.6 / 5.0
32.6% bachelor's degree or higher
Underwood experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 24°F in January while summers reach 78°F in July. The area gets 275 sunny days per year. Annual precipitation totals 31.9 inches. The area receives 27.1 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

24°F Jan (-4°C) 78°F Jul (26°C)
Annual Average52.4°F
3% below US avg
January Average24°F (-4°C)
July Average78°F (26°C)
Sunny Days275 days/yr

Geography

Elevation1,058 ft (322 m)
Area0.5 sq mi (1.2 km²)
Population Density896/sq mi
Coordinates41.3802°N, 95.6825°W
TimezoneAmerica/Chicago
CountyPottawattamie County County
Nearest AirportEppley Airfield (OMA)
12 miles away

Precipitation & Snow

Annual Rainfall 31.9"
16% below US avg
Snowfall 27.1"
Wettest Month (May) 4.37"
Driest Month (Jan) 0.75"

Air Quality

AQI Median43.0
RatingGood

Air Pollutants (EPA 2023)

PM2.5 (Fine Particles)9.6 μg/m³

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score80.4 / 100
Social Vulnerability21.9 / 100
Community Resilience69.2 / 100

Hazard Breakdown

Tornado Relatively High
Hurricane No Rating
Earthquake Very Low
Wildfire Relatively Low
Flood Relatively Moderate
Hail Relatively High
Strong Wind Relatively High
Heat Wave Relatively Moderate
Winter Weather Relatively Moderate
Lightning Relatively Moderate
Ice Storm Relatively Moderate
Drought Relatively Moderate
Cold Wave Relatively Moderate
Landslide Relatively Moderate
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

5 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.6. Most recent: M3.6 on Dec 17, 2009.

Dec 17, 2009 2 km NW of Auburn, Nebraska M3.6 109 km
Jul 16, 2004 6 km SSE of Riverton, Iowa M3.5 84 km
Aug 9, 1997 9 km NW of Clarkson, Nebraska M3.4 133 km
Feb 11, 1995 6 km E of Clearmont, Missouri M3.1 115 km
Mar 31, 1993 2 km SE of Nemaha, Nebraska M2.9 118 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

606 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 22 fatalities, 560 injuries.

Date Rating Distance Fatalities
Jun 27, 1953 EF5 82 km 1
May 21, 2024 EF4 83 km 5
Apr 26, 2024 EF4 58 km 0
Apr 8, 1999 EF4 88 km 0
May 27, 1995 EF4 97 km 0
May 24, 1989 EF4 92 km 0
Jun 26, 1976 EF4 10 km 0
May 6, 1975 EF4 40 km 3
Jun 22, 1964 EF4 78 km 0
Apr 12, 1964 EF4 88 km 1
May 10, 1959 EF4 89 km 0
Apr 5, 1954 EF4 96 km 0
Aug 13, 1952 EF4 77 km 0
Jul 15, 1950 EF4 89 km 0
May 21, 2024 EF3 71 km 0
Apr 26, 2024 EF3 23 km 0
Apr 26, 2024 EF3 97 km 0
Apr 26, 2024 EF3 23 km 0
Apr 26, 2024 EF3 9 km 1
Apr 9, 2011 EF3 87 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

2 wildfires (100+ acres) within 100 km. Largest: UNNAMED (4,195 ac, 2005).

Year Name Acres Distance
2005 UNNAMED 4,195 35 km
2010 UNNAMED 629 15 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 24°F (-4°C) 0.8 in Coldest, Driest
February 27°F (-3°C) 0.8 in
March 38°F (4°C) 2.1 in
April 51°F (10°C) 3.0 in
May 62°F (17°C) 4.4 in Wettest
June 71°F (22°C) 4.3 in
July 78°F (26°C) 3.9 in Warmest
August 73°F (23°C) 3.6 in
September 65°F (18°C) 3.6 in
October 53°F (11°C) 2.4 in
November 37°F (3°C) 1.5 in
December 25°F (-4°C) 1.0 in

Underwood has a seasonal temperature swing of 54°F / from 24°F in January to 78°F in July. Total annual precipitation is 31.5 inches, with May being the wettest month (4.4") and January the driest (0.8").

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