Snohomish County, Washington

Snohomish County has been named in 37 federal declarations. Statewide declarations for Washington (46) are listed on the state page.

37declarations 32major disasters 4emergencies 1964first on record 2026latest

By hazard

Severe Storm15

Flood13

Biological2

Mud/Landslide2

Earthquake2

Fire1

Coastal Storm1

Volcanic Eruption1

By decade

21960s

31970s

21980s

71990s

92000s

62010s

82020s

Population: 827,955 in April 2020, 864,113 in July 2024 (Census Bureau estimates).

Declarations naming Snohomish County

Declared	Number	Title	Hazard	Programs	Federal aid
Apr 7, 2026	DR-4906-WA	Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides	Flood	IHPPA	$24.2 million
Dec 12, 2025	EM-3629-WA	Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides	Flood	PA	—
Jan 12, 2023	DR-4682-WA	Severe Winter Storm, Straight-Line Winds, Flooding, Landslides, and Mudslides	Severe Storm	PAHM	$20.6 million
Sep 10, 2022	FM-5455-WA	Bolt Creek Fire	Fire	PAHM	$181,901
Apr 8, 2021	DR-4593-WA	Severe Winter Storm, Straight-Line Winds, Flooding, Landslides, and Mudslides	Severe Storm	PAHM	$28.4 million
Apr 23, 2020	DR-4539-WA	Severe Storms, Flooding, Landslides, and Mudslides	Flood	PAHM	$62.9 million
Mar 22, 2020	DR-4481-WA	COVID-19 Pandemic	Biological	IHPPAHM	$3.03 billion
Mar 13, 2020	EM-3427-WA	COVID-19	Biological	PA	—
Mar 4, 2019	DR-4418-WA	Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, Mudslides, Tornado	Severe Storm	PAHM	$15.3 million
Jan 15, 2016	DR-4249-WA	Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides	Severe Storm	PAHM	$27.6 million
Oct 15, 2015	DR-4242-WA	Severe Windstorm	Severe Storm	PAHM	$7.1 million
Apr 2, 2014	DR-4168-WA	Flooding and Mudslides	Mud/Landslide	IHPPAHM	$35.0 million
Mar 24, 2014	EM-3370-WA	Flooding and Mudslides	Mud/Landslide	PA	—
Mar 5, 2012	DR-4056-WA	Severe Winter Storm, Flooding, Landslides, and Mudslides	Severe Storm	PAHM	$36.2 million
Mar 2, 2009	DR-1825-WA	Severe Winter Storm and Record and Near Record Snow	Severe Storm	PAHM	$31.5 million
Jan 30, 2009	DR-1817-WA	Severe Winter Storm, Landslides, Mudslides, and Flooding	Flood	IHPPAHM	$73.8 million
Dec 8, 2007	DR-1734-WA	Severe Storms, Flooding, Landslides, and Mudslides	Severe Storm	IHPIAPAHM	$92.0 million
Feb 14, 2007	DR-1682-WA	Severe Winter Storm, Landslides, and Mudslides	Severe Storm	PAHM	$34.9 million
Dec 12, 2006	DR-1671-WA	Severe Storms, Flooding, Landslides, and Mudslides	Severe Storm	IHPIAPAHM	$39.0 million
May 17, 2006	DR-1641-WA	Severe Storms, Flooding, Tidal Surge, Landslides, and Mudslides	Severe Storm	PAHM	$7.2 million
Sep 7, 2005	EM-3227-WA	Hurricane Katrina Evacuation	Coastal Storm	PA	$1.7 million
Nov 7, 2003	DR-1499-WA	Severe Storms and Flooding	Severe Storm	IHPIAPAHM	$12.4 million
Mar 1, 2001	DR-1361-WA	Earthquake	Earthquake	IAPAHM	$85.6 million
Apr 2, 1997	DR-1172-WA	Heavy Rains, Snow Melt, Flooding, Land & Mud Slides	Flood	IAPA	—
Jan 17, 1997	DR-1159-WA	Severe Winter Storms, Land & Muds Slides,flooding	Severe Storm	IAPA	—
Feb 9, 1996	DR-1100-WA	High Winds, Severe Storms and Flooding	Flood	IAPA	—
Jan 3, 1996	DR-1079-WA	Severe Storms, High Wind, and Flooding	Severe Storm	IAPA	—
Mar 4, 1993	DR-981-WA	Severe Storms & High Wind	Severe Storm	PA	—
Mar 8, 1991	DR-896-WA	Severe Storms & High Tides	Flood	PA	—
Nov 26, 1990	DR-883-WA	Severe Storms & Flooding	Flood	IAPA	—
Dec 15, 1986	DR-784-WA	Severe Storms & Flooding	Flood	IAPA	—
May 21, 1980	DR-623-WA	Volcanic Eruption, Mt. St. Helens	Volcanic Eruption	IAPA	—
Dec 31, 1979	DR-612-WA	Storms, High Tides, Mudslides & Flooding	Flood	IA	—
Dec 10, 1977	DR-545-WA	Severe Storms,mudslides, & Flooding	Flood	IAPA	—
Dec 13, 1975	DR-492-WA	Severe Storms & Flooding	Flood	IAPA	—
May 11, 1965	DR-196-WA	Earthquake	Earthquake	IAPA	—
Dec 29, 1964	DR-185-WA	Heavy Rains & Flooding	Flood	IAPA	—