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Sac City, IA

Full City Profile · Iowa · Calhoun County County

3.2 /5.0
B Good
1,782 Population 364/sq mi density
$57,487 Median Income $41,805 per capita
$106,400 Home Value $140,341 Zillow
$620 Median Rent 30.2% income on rent
47°F Avg Temperature 260 sunny days/yr
97 Violent Crime/100K 1,702 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$57,487 median income, 1.2% unemployment
A+
Affordability
5.0 / 5.0
$106,400 home value, $620/mo rent
F
Safety
1.0 / 5.0
97 violent crimes/100K
C+
Education
2.9 / 5.0
23.3% bachelor's degree or higher
Sac City 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 33.1 inches. The area receives 30.9 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 Average46.6°F
14% below US avg
January Average17°F (-8°C)
July Average73°F (23°C)
Sunny Days260 days/yr

Geography

Elevation1,263 ft (385 m)
Area4.9 sq mi (12.8 km²)
Population Density364/sq mi
Coordinates42.4220°N, 94.9974°W
TimezoneAmerica/Chicago
CountyCalhoun County County
Nearest AirportFort Dodge Regional (FOD)
42 miles away

Precipitation & Snow

Annual Rainfall 33.1"
13% below US avg
Snowfall 30.9"
Wettest Month (Jun) 4.61"
Driest Month (Jan) 0.67"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score44.6 / 100
Social Vulnerability48.5 / 100
Community Resilience87.6 / 100

Hazard Breakdown

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

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M2.7. Most recent: M2.7 on Jun 30, 2021.

Jun 30, 2021 4 km E of Rembrandt, Iowa M2.7 46 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

569 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 7 fatalities, 222 injuries.

Date Rating Distance Fatalities
Oct 4, 2013 EF4 92 km 0
Apr 9, 2011 EF4 36 km 0
May 27, 1995 EF4 40 km 0
May 27, 1995 EF4 77 km 0
May 24, 1989 EF4 99 km 0
Jun 28, 1979 EF4 40 km 3
May 4, 1977 EF4 71 km 0
Jun 8, 1967 EF4 68 km 0
May 5, 1965 EF4 45 km 0
Aug 29, 1964 EF4 84 km 0
Jun 9, 1954 EF4 28 km 1
Jun 23, 1952 EF4 79 km 0
Jul 14, 2021 EF3 25 km 0
Apr 9, 2011 EF3 15 km 0
Apr 9, 2011 EF3 75 km 0
Apr 9, 2011 EF3 25 km 0
Nov 12, 2005 EF3 81 km 1
Jun 11, 2004 EF3 53 km 0
Apr 26, 1991 EF3 53 km 0
Sep 20, 1980 EF3 82 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: DEWEYS PASTURE (641 ac, 2008).

Year Name Acres Distance
2008 DEWEYS PASTURE 641 85 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 17°F (-8°C) 0.7 in Coldest, Driest
February 23°F (-5°C) 0.7 in
March 35°F (2°C) 2.0 in
April 48°F (9°C) 3.1 in
May 61°F (16°C) 4.2 in
June 70°F (21°C) 4.6 in Wettest
July 73°F (23°C) 4.1 in Warmest
August 71°F (22°C) 4.0 in
September 63°F (17°C) 3.5 in
October 51°F (10°C) 2.4 in
November 35°F (1°C) 1.5 in
December 21°F (-6°C) 0.9 in

Sac City has a seasonal temperature swing of 55°F / from 17°F in January to 73°F in July. Total annual precipitation is 31.6 inches, with June being the wettest month (4.6") and January the driest (0.7").

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