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Worthington, IA

Full City Profile · Iowa · Delaware County County

3.1 /5.0
B Good
401 Population 891/sq mi density
$81,875 Median Income $39,931 per capita
$150,500 Home Value $312,717 Zillow
$575 Median Rent 25.0% income on rent
48°F Avg Temperature 260 sunny days/yr
145 Violent Crime/100K 1,114 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$81,875 median income, 0.6% unemployment
A+
Affordability
5.0 / 5.0
$150,500 home value, $575/mo rent
F
Safety
1.0 / 5.0
145 violent crimes/100K
D
Education
1.9 / 5.0
10.8% bachelor's degree or higher
Worthington experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 19°F in January while summers reach 73°F in July. The area gets 260 sunny days per year. Annual precipitation totals 39.3 inches. The area receives 31.1 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

19°F Jan (-7°C) 73°F Jul (23°C)
Annual Average47.9°F
11% below US avg
January Average19°F (-7°C)
July Average73°F (23°C)
Sunny Days260 days/yr

Geography

Elevation906 ft (276 m)
Area0.4 sq mi (1.0 km²)
Population Density891/sq mi
Coordinates42.3979°N, 91.1207°W
TimezoneAmerica/Chicago
CountyDelaware County County
Nearest AirportMonticello Regional (MXO)
12 miles away

Precipitation & Snow

Annual Rainfall 39.3"
3% above US avg
Snowfall 31.1"
Wettest Month (Jun) 4.41"
Driest Month (Jan) 1.02"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score49.8 / 100
Social Vulnerability32.6 / 100
Community Resilience90.7 / 100

Hazard Breakdown

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

Tornado History

589 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 12 fatalities, 415 injuries.

Date Rating Distance Fatalities
May 15, 1968 EF5 73 km 5
Mar 13, 1990 EF4 31 km 0
Aug 12, 1974 EF4 30 km 0
Aug 26, 1965 EF4 89 km 1
Apr 11, 1965 EF4 63 km 1
Apr 30, 1954 EF4 62 km 0
Aug 7, 2021 EF3 88 km 0
May 25, 2008 EF3 77 km 0
May 21, 2004 EF3 69 km 0
Jul 27, 1995 EF3 51 km 0
May 9, 1995 EF3 93 km 0
Jun 19, 1993 EF3 34 km 0
Jun 19, 1993 EF3 34 km 0
Jul 13, 1992 EF3 24 km 0
May 8, 1988 EF3 77 km 0
May 8, 1988 EF3 76 km 0
May 30, 1985 EF3 60 km 2
Jun 20, 1974 EF3 84 km 1
May 13, 1974 EF3 97 km 0
Jul 12, 1971 EF3 35 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 19°F (-7°C) 1.0 in Coldest, Driest
February 23°F (-5°C) 1.1 in
March 35°F (1°C) 2.2 in
April 48°F (9°C) 3.2 in
May 60°F (16°C) 3.8 in
June 69°F (21°C) 4.4 in Wettest
July 73°F (23°C) 3.8 in Warmest
August 70°F (21°C) 4.4 in
September 62°F (17°C) 3.9 in
October 51°F (10°C) 2.4 in
November 36°F (2°C) 2.2 in
December 22°F (-5°C) 1.5 in

Worthington has a seasonal temperature swing of 53°F / from 19°F in January to 73°F in July. Total annual precipitation is 34.1 inches, with June being the wettest month (4.4") and January the driest (1.0").

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