14declarations
9major disasters
2emergencies
1991first on record
2026latest
By hazard
Severe Storm6
Fire3
Biological2
Flood2
Hurricane1
By decade
11990s
32000s
62010s
42020s
Population: 1,132 in April 2020, 1,099 in July 2024 (Census Bureau estimates).
Declarations naming Sioux County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| Jun 10, 2026 | FM-5637-NE | South Fork Fire | Fire | PA | — |
| May 24, 2024 | DR-4786-NE | Severe Winter Storm and Straight-Line Winds | Severe Storm | PAHM | $16.8 million |
| Apr 4, 2020 | DR-4521-NE | COVID-19 Pandemic | Biological | IHPPAHM | $327.0 million |
| Mar 13, 2020 | EM-3483-NE | COVID-19 | Biological | PA | — |
| Mar 21, 2019 | DR-4420-NE | Severe Winter Storm, Straight-Line Winds, and Flooding | Flood | IHPPAHM | $595.9 million |
| Aug 1, 2017 | DR-4325-NE | Severe Storms, Tornadoes, and Straight-Line Winds | Severe Storm | PAHM | $16.9 million |
| Jun 25, 2015 | DR-4225-NE | Severe Storms, Tornadoes, Straight-Line Winds, and Flooding | Severe Storm | PAHM | $17.4 million |
| Nov 26, 2013 | DR-4156-NE | Severe Storms, Winter Storms, Tornadoes and Flooding | Severe Storm | PAHM | $3.0 million |
| Aug 30, 2012 | FM-5009-NE | Region 23 Fire Complex | Fire | PA | $5.3 million |
| Jul 15, 2010 | DR-1924-NE | Severe Storms and Flooding | Severe Storm | PAHM | $51.1 million |
| Jul 29, 2006 | FM-2661-NE | Sioux County Fire Complex | Fire | PA | $1.8 million |
| Sep 13, 2005 | EM-3245-NE | Hurricane Katrina Evacuees | Hurricane | PA | $393,813 |
| May 16, 2001 | DR-1373-NE | Severe Winter Storms, Flooding and Tornadoes | Severe Storm | PAHM | $3.4 million |
| May 28, 1991 | DR-908-NE | Severe Storms & Flooding | Flood | PA | — |