Kitsap County, WA

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 275,553 · Cities: Bremerton , Bainbridge Island , Port Orchard , Poulsbo

Relatively Moderate Riskier than 92% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

Kitsap County has experienced 16 federally declared disasters since 1965, most recently Covid-19 in 2020. Its overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.

Kitsap County's highest-rated hazards are landslide, earthquake, and heat wave, with its top risk rated "Relatively High" by FEMA's National Risk Index.

Past disasters & FEMA designations

A federal disaster declaration officially designates a county for FEMA disaster assistance. Kitsap County has been designated in 16 declarations since 1965, covering 6 disaster types including flood (6), severe storm (4), biological (2).

2002–2026
Year Type Event name
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19
2008 Severe Storm Severe Storms, Flooding, Landslides, And Mudslides
2006 Severe Storm Severe Storms, Flooding, Tidal Surge, Landslides, And Mudslides
2005 Coastal Storm Hurricane Katrina Evacuation
2004 Severe Storm Severe Storms And Flooding
2001 Earthquake Earthquake
1997 Severe Storm Severe Winter Storms, Land & Muds Slides,Flooding
1997 Flood Heavy Rains, Snow Melt, Flooding, Land & Mud Slides
1996 Flood High Winds, Severe Storms And Flooding

Showing the 10 most recent of 16 total declarations since 1965.

Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.

Risk by hazard type

Hazard Risk rating Risk score Recorded events Deaths Prop. damage
Wildfire Very Low 39.9 0 0
Inland Flooding Relatively Moderate 79.1 0 0
Coastal Flooding Relatively Moderate 79.4 0 0
Earthquake Relatively High 98.7 38
Heat Wave Relatively Moderate 89.5 0 0
Tornado Very Low 23.7 1 0 $1.2M
Hurricane Not Applicable 0 0
Hail Very Low 4.9 0 0
Strong Wind Very Low 9.1 0 0
Winter Weather Relatively Low 59.2 0 0
Ice Storm Relatively Low 48.4
Cold Wave No Rating 0
Lightning Relatively Low 54.7 0 0
Drought No Rating 0 0 0
Landslide Relatively High 99.2 0 0
Avalanche Very Low 0.6
Tsunami Relatively Low 61.5
Volcanic Activity Very Low 68.4

Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.

Community vulnerability

Kitsap County ranks in the 33rd percentile (Low) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.

SVI theme Percentile Vulnerability level
Overall 33rd Low
Socioeconomic status 20th Very low
Household characteristics 25th Low
Racial & ethnic minority status 61st Moderate
Housing type & transportation 62nd Moderate

Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.

Future risk outlook

Wildfire metric National percentile Level
Burn probability 17th Very Low
Risk to homes 18th Very Low
Buildings in direct exposure zone 47.0%

Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.

Nearby counties

Compare Kitsap County with other counties → All Washington counties →

Frequently asked questions

What natural hazards pose the greatest risk in Kitsap County?

According to the FEMA National Risk Index, the highest-risk hazards in Kitsap County, Washington are landslide, earthquake, and heat wave. The county's overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.

Has Kitsap County received federal disaster declarations?

Yes. Kitsap County has received 16 federal disaster declarations since 1965, including declarations in 2020. The most common disaster type on record is flood (6 declarations).

Has Kitsap County had any FEMA disaster declarations in 2024, 2025, or 2026?

No federal disaster declarations have been recorded for Kitsap County since the start of 2024. Its most recent declaration on record is Covid-19 in 2020.

How does Kitsap County's natural hazard risk compare to nearby counties?

Among neighboring counties, King County, WA has the highest overall natural hazard risk (Very High) and Jefferson County, WA has the lowest (Relatively Low). Kitsap County is rated Relatively Moderate overall.

How is Kitsap County's composite disaster risk index calculated?

Kitsap County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Kitsap County's composite score of 92 means its overall natural hazard risk is higher than 92% of US counties.

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