Washington County, TX

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 35,781 · Cities: Brenham

Relatively Low Riskier than 72% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

Washington County has experienced 20 federally declared disasters since 1993, most recently Severe Storms, Straight-Line Winds, Tornadoes, And Flooding in 2024. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.

Washington County's highest-rated hazards are hurricane, cold wave, and tornado, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. NOAA records 22 storm events in the county over the past decade.

Past disasters & FEMA designations

A federal disaster declaration officially designates a county for FEMA disaster assistance. Washington County has been designated in 20 declarations since 1993, covering 7 disaster types including hurricane (6), flood (4), fire (3).

2002–2026
Year Type Event name
2024 Flood Severe Storms, Straight-Line Winds, Tornadoes, And Flooding
2024 Hurricane Hurricane Beryl
2021 Severe Ice Storm Severe Winter Storms
2021 Severe Ice Storm Severe Winter Storm
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19
2017 Hurricane Hurricane Harvey
2016 Flood Severe Storms And Flooding
2016 Flood Severe Storms And Flooding
2015 Severe Storm Severe Storms, Tornadoes, Straight-Line Winds And Flooding

Showing the 10 most recent of 20 total declarations since 1993.

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 48.8 0 0
Inland Flooding Relatively Low 72.7 9 5 $10.0M
Coastal Flooding Not Applicable 0 0
Earthquake Very Low 26.7
Heat Wave Relatively Low 68.4 7 0
Tornado Relatively Moderate 82.6 1 0 $10K
Hurricane Relatively Moderate 84.7 0 0
Hail Relatively Low 69.4 5 0
Strong Wind Relatively Moderate 53.1 0 0
Winter Weather Relatively Low 57.8 0 0
Ice Storm Relatively Low 59.5
Cold Wave Relatively Moderate 83.1
Lightning Relatively Moderate 59.8 0 0
Drought Relatively Moderate 78.9 0 0
Landslide Very Low 23.5 0 0
Avalanche Not Applicable
Tsunami Not Applicable
Volcanic Activity Not Applicable

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

Washington County ranks in the 65th percentile (Moderate) 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 65th Moderate
Socioeconomic status 45th Low
Household characteristics 46th Low
Racial & ethnic minority status 76th High
Housing type & transportation 88th High

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 54th Relatively Moderate
Risk to homes 52nd Relatively Moderate
Buildings in direct exposure zone 78.0%

NOAA tracked 22 weather events in this county over 2016–2025: 7 in 2016–20 vs 15 in 2021–25 .

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 Washington County with other counties → All Texas counties →

Frequently asked questions

What natural hazards pose the greatest risk in Washington County?

According to the FEMA National Risk Index, the highest-risk hazards in Washington County, Texas are hurricane, cold wave, and tornado. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.

Has Washington County received federal disaster declarations?

Yes. Washington County has received 20 federal disaster declarations since 1993, including declarations in 2024. The most common disaster type on record is hurricane (6 declarations).

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

Yes. Recent federal disaster declarations for Washington County include Severe Storms, Straight-Line Winds, Tornadoes, And Flooding (2024), Hurricane Beryl (2024). See the declarations table above for the full history since 1993.

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

Among neighboring counties, Brazos County, TX has the highest overall natural hazard risk (Relatively Moderate) and Burleson County, TX has the lowest (Very Low). Washington County is rated Relatively Low overall.

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

Washington 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. Washington County's composite score of 72 means its overall natural hazard risk is higher than 72% of US counties.

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