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Dike, IA

Full City Profile · Iowa · Grundy County County

3.8 /5.0
B+ Good
1,258 Population 905/sq mi density
$88,523 Median Income $45,910 per capita
$235,900 Home Value $288,807 Zillow
$708 Median Rent 21.1% income on rent
47°F Avg Temperature 260 sunny days/yr
122 Violent Crime/100K 1,923 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$88,523 median income, 1.9% unemployment
A+
Affordability
5.0 / 5.0
$235,900 home value, $708/mo rent
F
Safety
1.0 / 5.0
122 violent crimes/100K
A
Education
4.4 / 5.0
42.0% bachelor's degree or higher
Dike experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 17°F in January while summers reach 73°F in July. The area gets 260 sunny days per year. Annual precipitation totals 36.8 inches. The area receives 32.3 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

17°F Jan (-8°C) 73°F Jul (23°C)
Annual Average47.1°F
13% below US avg
January Average17°F (-8°C)
July Average73°F (23°C)
Sunny Days260 days/yr

Geography

Elevation943 ft (287 m)
Area1.4 sq mi (3.6 km²)
Population Density905/sq mi
Coordinates42.4641°N, 92.6256°W
TimezoneAmerica/Chicago
CountyGrundy County County
Nearest AirportWaterloo Regional (ALO)
13 miles away

Precipitation & Snow

Annual Rainfall 36.8"
3% below US avg
Snowfall 32.3"
Wettest Month (Jun) 4.61"
Driest Month (Jan) 0.87"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score13.1 / 100
Social Vulnerability10.6 / 100
Community Resilience94.7 / 100

Hazard Breakdown

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

Tornado History

667 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 47 fatalities, 1,196 injuries.

Date Rating Distance Fatalities
May 25, 2008 EF5 23 km 9
May 15, 1968 EF5 61 km 5
May 15, 1968 EF5 53 km 13
Oct 14, 1966 EF5 92 km 6
May 30, 1989 EF4 49 km 0
Aug 12, 1974 EF4 95 km 0
Aug 12, 1974 EF4 88 km 0
Jul 12, 1971 EF4 86 km 0
Aug 26, 1965 EF4 39 km 1
May 5, 1965 EF4 92 km 0
Sep 1, 1961 EF4 47 km 0
Apr 30, 1954 EF4 83 km 0
May 10, 1953 EF4 99 km 0
Jul 19, 2018 EF3 54 km 0
Jun 12, 2013 EF3 98 km 0
May 25, 2008 EF3 52 km 0
May 21, 2004 EF3 81 km 0
May 11, 2000 EF3 16 km 1
Jul 27, 1995 EF3 79 km 0
Jul 19, 1994 EF3 98 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

4 wildfires (100+ acres) within 100 km. Largest: UNNAMED (939 ac, 2009).

Year Name Acres Distance
2009 UNNAMED 939 73 km
2010 FOLEY 786 76 km
2011 ACE AUTO 676 83 km
2011 IRCP WUI ROFAE #2 FY11 510 68 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 17°F (-8°C) 0.9 in Coldest, Driest
February 22°F (-5°C) 1.0 in
March 35°F (1°C) 2.2 in
April 48°F (9°C) 3.3 in
May 60°F (16°C) 4.2 in
June 70°F (21°C) 4.6 in Wettest
July 73°F (23°C) 4.6 in Warmest
August 70°F (21°C) 4.0 in
September 63°F (17°C) 3.5 in
October 50°F (10°C) 2.6 in
November 35°F (2°C) 1.9 in
December 22°F (-6°C) 1.3 in

Dike has a seasonal temperature swing of 55°F / from 17°F in January to 73°F in July. Total annual precipitation is 34.1 inches, with June being the wettest month (4.6") and January the driest (0.9").

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