24declarations
21major disasters
3emergencies
1965first on record
2025latest
By hazard
Severe Storm9
Flood9
Biological2
Winter Storm1
Tornado1
Snowstorm1
Hurricane1
By decade
21960s
31970s
51990s
42000s
42010s
62020s
Population: 14,579 in April 2020, 14,626 in July 2024 (Census Bureau estimates).
Declarations naming Harrison County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| May 21, 2025 | DR-4870-IA | Severe Winter Storm | Winter Storm | PA | $5.0 million |
| Jun 24, 2024 | DR-4796-IA | Severe Storms, Flooding, Straight-Line Winds, and Tornadoes | Severe Storm | IHPPAHM | $289.7 million |
| 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 |
| 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 |
| Jun 27, 2011 | DR-1998-IA | Flooding | Flood | IHPPAHM | $62.1 million |
| Mar 2, 2010 | DR-1880-IA | Severe Winter Storm | Severe Storm | PAHM | $106.0 million |
| Feb 25, 2010 | DR-1877-IA | Severe Winter Storms and Snowstorm | Severe Storm | PAHM | $7.0 million |
| May 27, 2008 | DR-1763-IA | Severe Storms, Tornadoes, and Flooding | Severe Storm | IHPPAHM | $1.57 billion |
| May 25, 2007 | DR-1705-IA | Severe Storms, Flooding, and Tornadoes | Severe Storm | IHPIAPAHM | $17.7 million |
| Mar 30, 2007 | EM-3275-IA | Snow | Snowstorm | PA | $2.9 million |
| Sep 10, 2005 | EM-3239-IA | Hurricane Katrina Evacuation | Hurricane | PA | $244,048 |
| Jul 22, 1999 | DR-1282-IA | Severe Storms and Flooding | Severe Storm | IAPAHM | $13.6 million |
| May 21, 1999 | DR-1277-IA | Severe Storms, Flooding, and Tornadoes | Severe Storm | IAPAHM | $11.0 million |
| Jul 2, 1998 | DR-1230-IA | Severe Storms, Tornadoes and Flooding | Flood | IAPAHM | — |
| Aug 21, 1996 | DR-1133-IA | Severe Storms, and Flooding | Severe Storm | PA | — |
| Jul 9, 1993 | DR-996-IA | Severe Storms & Flooding | Flood | IAPA | — |
| Jun 24, 1974 | DR-443-IA | Severe Storms & Flooding | Flood | IAPA | — |
| Sep 26, 1972 | DR-354-IA | Severe Storms & Flooding | Flood | PA | — |
| Aug 18, 1972 | DR-348-IA | Severe Storms & Flooding | Flood | PA | — |
| Apr 25, 1969 | DR-259-IA | Flooding | Flood | IAPA | — |
| Apr 22, 1965 | DR-193-IA | Flooding | Flood | IAPA | — |