14declarations
10major disasters
4emergencies
1965first on record
2026latest
By hazard
Severe Storm5
Flood3
Biological2
Snowstorm1
Hurricane1
Drought1
Tornado1
By decade
11960s
31970s
21990s
52000s
32020s
Population: 86,163 in April 2020, 86,245 in July 2024 (Census Bureau estimates).
Declarations naming Jefferson County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| Jun 30, 2026 | DR-4923-WI | Severe Storms, Tornadoes, and Flooding | Flood | IHPPA | $83.8 million |
| Apr 4, 2020 | DR-4520-WI | COVID-19 Pandemic | Biological | IHPPAHM | $954.9 million |
| Mar 13, 2020 | EM-3454-WI | COVID-19 | Biological | PA | — |
| Jun 14, 2008 | DR-1768-WI | Severe Storms, Tornadoes, and Flooding | Severe Storm | IHPPAHM | $123.8 million |
| Mar 19, 2008 | EM-3285-WI | Record Snow and Near Record Snow | Snowstorm | PA | $8.6 million |
| Aug 26, 2007 | DR-1719-WI | Severe Storms and Flooding | Severe Storm | IHPIAPAHM | $21.5 million |
| Sep 13, 2005 | EM-3249-WI | Hurricane Katrina Evacuation | Hurricane | PA | $1.2 million |
| Jun 18, 2004 | DR-1526-WI | Severe Storms and Flooding | Severe Storm | IHPIAPAHM | $18.8 million |
| Jul 2, 1993 | DR-994-WI | Severe Storms, Tornadoes & Flooding | Severe Storm | IAPA | — |
| Aug 6, 1991 | DR-912-WI | Severe Storms & Hail | Severe Storm | PA | — |
| Jun 17, 1976 | EM-3014-WI | Drought | Drought | PA | — |
| Mar 23, 1976 | DR-496-WI | Severe Storms, Icing, Wind & Flooding | Flood | IAPA | — |
| Apr 27, 1973 | DR-376-WI | Severe Storms & Flooding | Flood | IAPA | — |
| Apr 21, 1965 | DR-192-WI | Tornadoes, Severe Storms & Flooding | Tornado | IAPA | — |