21declarations
19major disasters
2emergencies
1965first on record
2026latest
By hazard
Severe Storm8
Flood8
Biological2
Tornado1
Hurricane1
Snowstorm1
By decade
31960s
11970s
41990s
42000s
32010s
62020s
Population: 492,402 in April 2020, 516,185 in July 2024 (Census Bureau estimates).
Declarations naming Polk County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| Sep 1, 2026 | DR-4942-IA | Severe Storms and Flooding | Severe Storm | PA | — |
| May 24, 2024 | DR-4784-IA | Severe Storms, Tornadoes, and Flooding | Severe Storm | IHPPAHM | $35.3 million |
| May 14, 2024 | DR-4779-IA | Severe Storms and Tornadoes | Tornado | IHPPAHM | $8.9 million |
| Aug 17, 2020 | DR-4557-IA | Severe Storms | Severe Storm | IHPPAHM | $285.0 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 29, 2010 | DR-1930-IA | Severe Storms, Flooding, and Tornadoes | Severe Storm | IHPPAHM | $94.0 million |
| May 27, 2008 | DR-1763-IA | Severe Storms, Tornadoes, and Flooding | Severe Storm | IHPPAHM | $1.57 billion |
| Mar 14, 2007 | DR-1688-IA | Severe Winter Storms | Severe Storm | PAHM | $73.6 million |
| Sep 10, 2005 | EM-3239-IA | Hurricane Katrina Evacuation | Hurricane | PA | $244,048 |
| May 25, 2004 | DR-1518-IA | Severe Storms, Tornadoes, and Flooding | Severe Storm | IHPIAPAHM | $22.5 million |
| Jul 2, 1998 | DR-1230-IA | Severe Storms, Tornadoes and Flooding | Flood | IAPAHM | — |
| Nov 20, 1997 | DR-1191-IA | Severe Snowstorms | Snowstorm | PA | — |
| Jul 9, 1993 | DR-996-IA | Severe Storms & Flooding | Flood | IAPA | — |
| May 26, 1990 | DR-868-IA | Severe Storms & Flooding | Flood | IAPA | — |
| Jun 24, 1974 | DR-443-IA | Severe Storms & Flooding | Flood | IAPA | — |
| Aug 14, 1969 | DR-269-IA | Heavy Rains & Flooding | Flood | IAPA | — |
| Apr 25, 1969 | DR-259-IA | Flooding | Flood | IAPA | — |
| Apr 22, 1965 | DR-193-IA | Flooding | Flood | IAPA | — |