15declarations
12major disasters
3emergencies
1965first on record
2024latest
By hazard
Severe Storm6
Flood5
Biological2
Hurricane1
Drought1
By decade
21960s
11970s
11990s
12000s
72010s
32020s
Population: 35,876 in April 2020, 36,554 in July 2024 (Census Bureau estimates).
Declarations naming Sioux County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| Jun 24, 2024 | DR-4796-IA | Severe Storms, Flooding, Straight-Line Winds, and Tornadoes | Severe Storm | IHPPAHM | $289.7 million |
| Mar 23, 2020 | DR-4483-IA | COVID-19 Pandemic | Biological | IHPPAHM | $592.5 million |
| Mar 13, 2020 | EM-3480-IA | COVID-19 | Biological | PA | — |
| Mar 23, 2019 | DR-4421-IA | Severe Storms and Flooding | Flood | IHPPAHM | $203.4 million |
| Aug 20, 2018 | DR-4386-IA | Severe Storms, Tornadoes, Straight-Line Winds, and Flooding | Severe Storm | PAHM | $19.1 million |
| Jul 24, 2014 | DR-4184-IA | Severe Storms, Tornadoes, Straight-Line Winds, and Flooding | Flood | PAHM | $20.8 million |
| Jul 2, 2013 | DR-4126-IA | Severe Storms, Tornadoes, and Flooding | Severe Storm | PAHM | $23.3 million |
| May 6, 2013 | DR-4114-IA | Severe Winter Storm | Severe Storm | PAHM | $15.3 million |
| Jul 29, 2010 | DR-1930-IA | Severe Storms, Flooding, and Tornadoes | Severe Storm | IHPPAHM | $94.0 million |
| Feb 25, 2010 | DR-1877-IA | Severe Winter Storms and Snowstorm | Severe Storm | PAHM | $7.0 million |
| Sep 10, 2005 | EM-3239-IA | Hurricane Katrina Evacuation | Hurricane | PA | $244,048 |
| Jul 9, 1993 | DR-996-IA | Severe Storms & Flooding | Flood | IAPA | — |
| Mar 31, 1977 | EM-3036-IA | Drought | Drought | PA | — |
| Apr 25, 1969 | DR-259-IA | Flooding | Flood | IAPA | — |
| Apr 22, 1965 | DR-193-IA | Flooding | Flood | IAPA | — |