By hazard
Links open the declarations for that hazard in Ohio where there are five or more.
Counties named most often
| County | Declarations | Population 2024 |
|---|---|---|
| Belmont County | 22 | 64,692 |
| Jefferson County | 22 | 63,900 |
| Monroe County | 22 | 13,051 |
| Franklin County | 21 | 1,356,303 |
| Licking County | 21 | 184,898 |
| Perry County | 20 | 35,682 |
| Washington County | 20 | 58,332 |
| Adams County | 19 | 27,671 |
| Athens County | 19 | 63,218 |
| Brown County | 19 | 44,292 |
| Clermont County | 19 | 214,123 |
| Cuyahoga County | 19 | 1,240,594 |
| Hamilton County | 19 | 837,359 |
| Lorain County | 19 | 322,030 |
| Columbiana County | 18 | 99,823 |
All declarations
61 declarations
| Declared | Number | Title | Hazard | Areas | Programs | Federal aid |
|---|---|---|---|---|---|---|
| May 17, 1956 | DR-57-OH | Wind Storm | Other | statewide | IAPAHM | — |
| Jan 23, 1959 | DR-90-OH | Floods | Flood | statewide | IAPAHM | — |
| Mar 24, 1964 | DR-167-OH | Severe Storms & Flooding | Flood | statewide | IAPAHM | — |
| Apr 14, 1965 | DR-191-OH | Tornadoes & Severe Storms | Tornado | 15 | IAPA | — |
| May 4, 1968 | DR-238-OH | Tornadoes & Severe Storms | Tornado | 5 | IAPA | — |
| Jun 5, 1968 | DR-243-OH | Heavy Rains & Flooding | Flood | 28 | IAPA | — |
| Jul 15, 1969 | DR-266-OH | Tornadoes, Severe Storms & Flooding | Tornado | 26 | IAPA | — |
| Jul 19, 1972 | DR-345-OH | Tropical Storm Agnes | Flood | 7 | IAPA | — |
| Nov 24, 1972 | DR-362-OH | Severe Storms & Flooding | Flood | 5 | IAPA | — |
| Apr 27, 1973 | DR-377-OH | Severe Storms & Flooding | Flood | 8 | IAPA | — |
| Jun 4, 1973 | DR-390-OH | Mudslides | Mud/Landslide | 2 | IAPA | — |
| Apr 4, 1974 | DR-421-OH | Tornadoes | Tornado | 14 | IAPA | — |
| May 31, 1974 | DR-436-OH | Severe Storms & Flooding | Flood | 3 | IAPA | — |
| Jul 11, 1974 | DR-445-OH | Heavy Rains & Flooding | Flood | 1 | IAPA | — |
| Sep 11, 1975 | DR-480-OH | Winds, Tornadoes, Heavy Rains & Flooding | Flood | 4 | IAPA | — |
| Aug 23, 1980 | DR-630-OH | Severe Storms & Flooding | Flood | 7 | IAPA | — |
| Jun 30, 1981 | DR-642-OH | Severe Storms, Flooding & Tornadoes | Severe Storm | 4 | IAPA | — |
| Mar 26, 1982 | DR-653-OH | Severe Storms & Flooding | Flood | 5 | IAPA | — |
| Jun 3, 1985 | DR-738-OH | Severe Storms & Tornadoes | Tornado | 6 | IAPA | — |
| Jul 17, 1987 | DR-796-OH | Severe Storms & Flooding | Flood | 4 | IA | — |
| Jun 10, 1989 | DR-831-OH | Severe Storms & Flooding | Flood | 13 | IA | — |
| Jun 6, 1990 | DR-870-OH | Severe Storms, Tornadoes & Flooding | Severe Storm | 25 | IAPA | — |
| Aug 4, 1992 | DR-951-OH | Severe Storms, Tornadoes & Flooding | Severe Storm | 24 | IAPA | — |
| Aug 25, 1995 | DR-1065-OH | Severe Storms and Flooding | Severe Storm | 11 | IA | — |
| Jan 27, 1996 | DR-1097-OH | Severe Storms and Flooding | Flood | 13 | IAPA | — |
| Jun 24, 1996 | DR-1122-OH | Flooding | Flood | 16 | PA | — |
| Mar 4, 1997 | DR-1164-OH | Severe Storms and Flooding | Severe Storm | 18 | IAPA | — |
| Jun 30, 1998 | DR-1227-OH | Severe Storms, Flooding, and Tornadoes | Severe Storm | 23 | IAPA | — |
| Mar 7, 2000 | DR-1321-OH | Severe Storms and Flooding | Severe Storm | 7 | IAHM | $316,618 |
| Aug 21, 2000 | DR-1339-OH | Severe Storms and Flooding | Severe Storm | 1 | IAHM | $896,815 |
| Sep 26, 2000 | DR-1343-OH | Severe Storms and Tornado | Severe Storm | 1 | IAPAHM | $3.7 million |
| Aug 27, 2001 | DR-1390-OH | Severe Storms and Flooding | Severe Storm | 4 | PAHM | $6.8 million |
| Nov 18, 2002 | DR-1444-OH | Severe Storms and Tornadoes | Severe Storm | 20 | IHPIAHM | $720,349 |
| Mar 14, 2003 | DR-1453-OH | Severe Winter Storm and Record/Near Record Snow | Severe Storm | 31 | IHPIAPAHM | $36.6 million |
| Jul 15, 2003 | DR-1478-OH | Severe Storms and Flooding | Severe Storm | 10 | IHPIAHM | $2.0 million |
| Aug 1, 2003 | DR-1484-OH | Tornadoes, Flooding, Severe Storms, and High Winds | Tornado | 15 | IHPIAPAHM | $90.0 million |
| Jan 26, 2004 | DR-1507-OH | Severe Storms, Flooding, Mudslides, and Landslides | Severe Storm | 14 | IHPIAPAHM | $13.7 million |
| Jun 3, 2004 | DR-1519-OH | Severe Storms and Flooding | Severe Storm | 25 | IHPIAPAHM | $32.0 million |
| Sep 19, 2004 | DR-1556-OH | Severe Storms and Flooding | Severe Storm | 88 | IHPIAPAHM | $52.0 million |
| Feb 15, 2005 | DR-1580-OH | Severe Winter Storms, Flooding, and Mudslides | Severe Storm | 62 | IHPIAPAHM | $113.7 million |
| Jul 2, 2006 | DR-1651-OH | Severe Storms, Tornadoes, Straight Line Winds, and Flooding | Severe Storm | 6 | IHPIAHM | $10.5 million |
| Aug 1, 2006 | DR-1656-OH | Severe Storms, Straight Line Winds, and Flooding | Severe Storm | 3 | IHPIAPAHM | $19.6 million |
| Aug 27, 2007 | DR-1720-OH | Severe Storms, Flooding, and Tornadoes | Severe Storm | 8 | IHPIAPAHM | $33.7 million |
| Oct 24, 2008 | DR-1805-OH | Severe Wind Storm Associated With Tropical Depression Ike | Severe Storm | 33 | PAHM | $43.6 million |
| Feb 2, 1977 | EM-3029-OH | Snowstorms | Snowstorm | 47 | PA | — |
| Jan 26, 1978 | EM-3055-OH | Blizzards & Snowstorms | Snowstorm | 88 | PA | — |
| Sep 23, 2003 | EM-3187-OH | Power Outage | Other | 13 | PA | $1.6 million |
| Jan 11, 2005 | EM-3198-OH | Snow | Snowstorm | 26 | PA | $8.6 million |
| Sep 13, 2005 | EM-3250-OH | Hurricane Katrina Evacuation | Hurricane | 88 | PA | $2.5 million |
| Apr 24, 2008 | EM-3286-OH | Record Snow and Near Record Snow | Snowstorm | 20 | PA | $7.1 million |
| Jun 30, 2012 | EM-3346-OH | Severe Storms | Severe Storm | 88 | PA | — |
| Mar 13, 2020 | EM-3457-OH | COVID-19 | Biological | 88 | PA | — |
| Jul 13, 2011 | DR-4002-OH | Severe Storms and Flooding | Severe Storm | 21 | PAHM | $37.5 million |
| Aug 20, 2012 | DR-4077-OH | Severe Storms and Straight-Line Winds | Severe Storm | 39 | PAHM | $19.9 million |
| Jan 3, 2013 | DR-4098-OH | Severe Storms and Flooding Due to the Remnants of Hurricane Sandy | Hurricane | 2 | PAHM | $21.4 million |
| Apr 17, 2018 | DR-4360-OH | Severe Storms, Landslides, and Mudslides | Flood | 22 | PAHM | $75.9 million |
| Apr 8, 2019 | DR-4424-OH | Severe Storms, Flooding, and Landslides | Flood | 21 | PAHM | $70.3 million |
| Jun 18, 2019 | DR-4447-OH | Severe Storms, Straight-Line Winds, Tornadoes, Flooding, Landslides, and Mudslide | Tornado | 12 | IHPPAHM | $19.4 million |
| Mar 31, 2020 | DR-4507-OH | COVID-19 Pandemic | Biological | 88 | IHPPAHM | $1.23 billion |
| May 2, 2024 | DR-4777-OH | Tornadoes | Tornado | 11 | IHPHM | $4.6 million |
| Oct 2, 2026 | DR-4945-OH | Severe Storms, Straight-Line Winds, Tornadoes, Flooding, and Landslides | Flood | 7 | IHP | $9.5 million |
* Individual Assistance approved plus Public Assistance and Hazard Mitigation obligated, for declarations where OpenFEMA publishes totals; as reported on October 29, 2026. Programs: IHP — Individuals and Households, IA — Individual Assistance, PA — Public Assistance, HM — Hazard Mitigation.