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FIPS 06013 · population 1,172,607 (2024)

Contra Costa County, California

Contra Costa County has been named in 21 federal declarations. Statewide declarations for California (20) are listed on the state page.

21declarations 16major disasters 5emergencies 1969first on record 2023latest

By hazard

Flood8
Severe Storm6
Biological2
Coastal Storm2
Hurricane1
Earthquake1
Drought1

By decade

11960s
11970s
51980s
51990s
22000s
32010s
42020s

Population: 1,165,983 in April 2020, 1,172,607 in July 2024 (Census Bureau estimates).

Declarations naming Contra Costa County

DeclaredNumberTitleHazardProgramsFederal aid
Jan 14, 2023 DR-4683-CA Severe Winter Storms, Flooding, Landslides, and Mudslides Flood IHPPAHM $493.6 million
Jan 9, 2023 EM-3591-CA Severe Winter Storms, Flooding, and Mudslides Flood PA —
Mar 22, 2020 DR-4482-CA COVID-19 Pandemic Biological IHPPAHM $14.98 billion
Mar 13, 2020 EM-3428-CA COVID-19 Biological PA $9.1 million
Apr 1, 2017 DR-4308-CA Severe Winter Storms, Flooding, and Mudslides Flood PAHM $945.2 million
Mar 16, 2017 DR-4305-CA Severe Winter Storms, Flooding, and Mudslides Flood PAHM $69.6 million
Feb 14, 2017 DR-4301-CA Severe Winter Storms, Flooding, and Mudslides Severe Storm PAHM $161.9 million
Feb 3, 2006 DR-1628-CA Severe Storms, Flooding, Mudslides, and Landslides Severe Storm IHPIAPAHM $167.2 million
Sep 13, 2005 EM-3248-CA Hurricane Katrina Evacuation Hurricane PA $988,951
Feb 9, 1998 DR-1203-CA Severe Winter Storms and Flooding Severe Storm IAPA —
Jan 4, 1997 DR-1155-CA Severe Storms, Flooding, Mud and Landslides Severe Storm IAPAHM —
Mar 12, 1995 DR-1046-CA Severe Winter Storms, Flooding Landslides, Mud Flow Severe Storm IAPA —
Jan 10, 1995 DR-1044-CA Severe Winter Storms, Flooding, Landslides, Mud Flows Severe Storm IAPA —
Feb 3, 1993 DR-979-CA Severe Winter Storm, Mud & Land Slides, & Flooding Flood IAPA —
Oct 18, 1989 DR-845-CA Loma Prieta Earthquake Earthquake IAPA —
Feb 21, 1986 DR-758-CA Severe Storms & Flooding Flood IAPA —
Feb 9, 1983 DR-677-CA Coastal Storms, Floods, Slides & Tornadoes Coastal Storm IAPA —
Jan 7, 1982 DR-651-CA Severe Storms, Flood, Mudslides & High Tide Flood IAPA —
Feb 1, 1980 EM-3078-CA Torrential Rain, High Tide & Winds Coastal Storm PA —
Jan 20, 1977 EM-3023-CA Drought Drought PA —
Jan 26, 1969 DR-253-CA Severe Storms & Flooding Flood IAPA —