22declarations
17major disasters
5emergencies
1968first on record
2026latest
By hazard
Severe Storm10
Flood6
Biological2
Winter Storm1
Hurricane1
Snowstorm1
Tornado1
By decade
11960s
11970s
61990s
72000s
22010s
52020s
Population: 50,678 in April 2020, 51,435 in July 2024 (Census Bureau estimates).
Declarations naming Dearborn County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| Aug 25, 2026 | DR-4933-IN | Severe Storms, Straight-Line Winds, Tornadoes, and Flooding | Flood | IHPPA | $169.0 million |
| Aug 15, 2026 | EM-3651-IN | Severe Storms, Straight-Line Winds, Tornadoes, and Flooding | Flood | PA | — |
| Jan 24, 2026 | EM-3641-IN | Severe Winter Storm | Winter Storm | PA | — |
| Apr 3, 2020 | DR-4515-IN | COVID-19 Pandemic | Biological | IHPPAHM | $372.6 million |
| Mar 13, 2020 | EM-3456-IN | COVID-19 | Biological | PA | — |
| May 4, 2018 | DR-4363-IN | Severe Storms and Flooding | Flood | IHPPAHM | $16.0 million |
| Jun 23, 2011 | DR-1997-IN | Severe Storms, Tornadoes, Straight-Line Winds, and | Severe Storm | PAHM | $15.4 million |
| Sep 23, 2008 | DR-1795-IN | Severe Storms and Flooding | Severe Storm | IHPPAHM | $65.2 million |
| Jun 8, 2008 | DR-1766-IN | Severe Storms, Flooding, and Tornadoes | Severe Storm | IHPPAHM | $175.4 million |
| Sep 10, 2005 | EM-3238-IN | Hurricane Katrina Evacuation | Hurricane | PA | $2.1 million |
| Jan 21, 2005 | DR-1573-IN | Severe Winter Storms and Flooding | Severe Storm | IHPIAPAHM | $33.0 million |
| Jan 11, 2005 | EM-3197-IN | Snow | Snowstorm | PA | $5.8 million |
| Jun 3, 2004 | DR-1520-IN | Severe Storms, Tornadoes, and Flooding | Severe Storm | IHPIAPAHM | $9.6 million |
| Jun 13, 2002 | DR-1418-IN | Severe Storms, Tornadoes and Flooding | Severe Storm | IAPAHM | $5.5 million |
| Mar 6, 1997 | DR-1165-IN | Severe Storms and Flooding | Severe Storm | IAPA | — |
| Jul 3, 1996 | DR-1125-IN | Severe Storms and Flooding | Severe Storm | IAPA | — |
| Apr 2, 1996 | DR-1109-IN | Blizzard of 96 | Flood | PA | — |
| Sep 18, 1992 | DR-962-IN | Severe Storms, Tornadoes & Flooding | Severe Storm | PA | — |
| Jan 5, 1991 | DR-891-IN | Severe Storms & Flooding | Flood | IAPA | — |
| Jun 4, 1990 | DR-869-IN | Severe Storms, Tornadoes & Flooding | Severe Storm | IAPA | — |
| Apr 4, 1974 | DR-423-IN | Tornadoes | Tornado | IAPA | — |
| Jul 30, 1968 | DR-247-IN | Flooding | Flood | IAPA | — |