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FIPS 53031 · population 33,944 (2024)

Jefferson County, Washington

Jefferson County has been named in 30 federal declarations. Statewide declarations for Washington (46) are listed on the state page.

30declarations 27major disasters 3emergencies 1979first on record 2026latest

By hazard

Severe Storm13
Flood11
Biological2
Coastal Storm1
Earthquake1
Fishing Losses1
Volcanic Eruption1

By decade

11970s
21980s
61990s
82000s
42010s
92020s

Population: 32,970 in April 2020, 33,944 in July 2024 (Census Bureau estimates).

Declarations naming Jefferson County

DeclaredNumberTitleHazardProgramsFederal 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 —
Apr 28, 2024 DR-4775-WA Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides Severe Storm PAHM $14.7 million
Jan 12, 2023 DR-4682-WA Severe Winter Storm, Straight-Line Winds, Flooding, Landslides, and Mudslides Severe Storm PAHM $20.6 million
Mar 29, 2022 DR-4650-WA Severe Winter Storms, Snowstorms, Straight-Line Winds, Flooding Flood PAHM $35.6 million
Jan 5, 2022 DR-4635-WA Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides Flood IHPPAHM $77.3 million
Apr 8, 2021 DR-4593-WA Severe Winter Storm, Straight-Line Winds, Flooding, Landslides, and Mudslides Severe Storm PAHM $28.4 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
Feb 2, 2016 DR-4253-WA Severe Winter Storm, Straight-Line Winds, Flooding, Landslides, Mudslides, and a T Flood PAHM $11.7 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
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
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 —
Jan 3, 1996 DR-1079-WA Severe Storms, High Wind, and Flooding Severe Storm IAPA —
Aug 2, 1994 DR-1037-WA The El Nino (the Salmon Industry) Fishing Losses IA —
Mar 8, 1991 DR-896-WA Severe Storms & High Tides Flood PA —
Nov 26, 1990 DR-883-WA Severe Storms & Flooding Flood IAPA —
Feb 15, 1986 DR-757-WA Severe Storms & Flooding Flood PA —
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 —