22declarations
17major disasters
5emergencies
1972first on record
2020latest
By hazard
Severe Storm9
Flood7
Biological2
Snowstorm2
Hurricane1
Tornado1
By decade
41970s
11980s
51990s
62000s
42010s
22020s
Population: 65,253 in April 2020, 63,900 in July 2024 (Census Bureau estimates).
Declarations naming Jefferson County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| Mar 31, 2020 | DR-4507-OH | COVID-19 Pandemic | Biological | IHPPAHM | $1.23 billion |
| Mar 13, 2020 | EM-3457-OH | COVID-19 | Biological | PA | — |
| Apr 8, 2019 | DR-4424-OH | Severe Storms, Flooding, and Landslides | Flood | PAHM | $70.3 million |
| Apr 17, 2018 | DR-4360-OH | Severe Storms, Landslides, and Mudslides | Flood | PAHM | $75.9 million |
| Jun 30, 2012 | EM-3346-OH | Severe Storms | Severe Storm | PA | — |
| Jul 13, 2011 | DR-4002-OH | Severe Storms and Flooding | Severe Storm | PAHM | $37.5 million |
| Sep 13, 2005 | EM-3250-OH | Hurricane Katrina Evacuation | Hurricane | PA | $2.5 million |
| Feb 15, 2005 | DR-1580-OH | Severe Winter Storms, Flooding, and Mudslides | Severe Storm | IHPIAPAHM | $113.7 million |
| Sep 19, 2004 | DR-1556-OH | Severe Storms and Flooding | Severe Storm | IHPIAPAHM | $52.0 million |
| Jun 3, 2004 | DR-1519-OH | Severe Storms and Flooding | Severe Storm | IHPIAPAHM | $32.0 million |
| Jan 26, 2004 | DR-1507-OH | Severe Storms, Flooding, Mudslides, and Landslides | Severe Storm | IHPIAPAHM | $13.7 million |
| Aug 1, 2003 | DR-1484-OH | Tornadoes, Flooding, Severe Storms, and High Winds | Tornado | IHPIAPAHM | $90.0 million |
| Jun 30, 1998 | DR-1227-OH | Severe Storms, Flooding, and Tornadoes | Severe Storm | IAPA | — |
| Jun 24, 1996 | DR-1122-OH | Flooding | Flood | PA | — |
| Jan 27, 1996 | DR-1097-OH | Severe Storms and Flooding | Flood | IAPA | — |
| Aug 4, 1992 | DR-951-OH | Severe Storms, Tornadoes & Flooding | Severe Storm | IAPA | — |
| Jun 6, 1990 | DR-870-OH | Severe Storms, Tornadoes & Flooding | Severe Storm | IAPA | — |
| Aug 23, 1980 | DR-630-OH | Severe Storms & Flooding | Flood | IAPA | — |
| Jan 26, 1978 | EM-3055-OH | Blizzards & Snowstorms | Snowstorm | PA | — |
| Feb 2, 1977 | EM-3029-OH | Snowstorms | Snowstorm | PA | — |
| Sep 11, 1975 | DR-480-OH | Winds, Tornadoes, Heavy Rains & Flooding | Flood | IAPA | — |
| Jul 19, 1972 | DR-345-OH | Tropical Storm Agnes | Flood | IAPA | — |