Hamilton County, Ohio

Hamilton County has been named in 19 federal declarations. Statewide declarations for Ohio (3) are listed on the state page.

19declarations 14major disasters 5emergencies 1968first on record 2026latest

By hazard

Severe Storm7

Flood5

Biological2

Snowstorm2

Hurricane1

Tornado1

Mud/Landslide1

11960s

31970s

41990s

52000s

32010s

32020s

Population: 830,636 in April 2020, 837,359 in July 2024 (Census Bureau estimates).

Declared	Number	Title	Hazard	Programs	Federal aid
Oct 2, 2026	DR-4945-OH	Severe Storms, Straight-Line Winds, Tornadoes, Flooding, and Landslides	Flood	IHP	$9.5 million
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 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
Oct 24, 2008	DR-1805-OH	Severe Wind Storm Associated With Tropical Depression Ike	Severe Storm	PAHM	$43.6 million
Sep 13, 2005	EM-3250-OH	Hurricane Katrina Evacuation	Hurricane	PA	$2.5 million
Jan 11, 2005	EM-3198-OH	Snow	Snowstorm	PA	$8.6 million
Sep 19, 2004	DR-1556-OH	Severe Storms and Flooding	Severe Storm	IHPIAPAHM	$52.0 million
Aug 27, 2001	DR-1390-OH	Severe Storms and Flooding	Severe Storm	PAHM	$6.8 million
Mar 4, 1997	DR-1164-OH	Severe Storms and Flooding	Severe Storm	IAPA	—
Jun 24, 1996	DR-1122-OH	Flooding	Flood	PA	—
Jan 27, 1996	DR-1097-OH	Severe Storms and Flooding	Flood	IAPA	—
Jun 6, 1990	DR-870-OH	Severe Storms, Tornadoes & Flooding	Severe Storm	IAPA	—
Jan 26, 1978	EM-3055-OH	Blizzards & Snowstorms	Snowstorm	PA	—
Apr 4, 1974	DR-421-OH	Tornadoes	Tornado	IAPA	—
Jun 4, 1973	DR-390-OH	Mudslides	Mud/Landslide	IAPA	—
Jun 5, 1968	DR-243-OH	Heavy Rains & Flooding	Flood	IAPA	—