Anderson County, TX
FEMA National Risk Index scores, disaster declarations & hazard data
Anderson County has experienced 31 federally declared disasters since 1966, 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.
Anderson County's highest-rated hazards are tornado, strong wind, and cold wave, with its top risk rated "Relatively High" by FEMA's National Risk Index. Recorded storm events have increased 160% over the past five years compared to the prior five-year period. Community vulnerability is elevated (90th percentile nationally), suggesting residents may face greater difficulty recovering from major disasters.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Anderson County has been designated in 31 declarations since 1966, covering 11 disaster types including hurricane (7), fire (6), flood (5).
| Year | Type | Event name |
|---|---|---|
| 2024 | Flood | Severe Storms, Straight-Line Winds, Tornadoes, And Flooding |
| 2024 | Hurricane | Hurricane Beryl |
| 2023 | Winter Storm | Severe Winter Storm |
| 2021 | Severe Ice Storm | Severe Winter Storms |
| 2021 | Severe Ice Storm | Severe Winter Storm |
| 2020 | Hurricane | Tropical Storms Marco And Laura |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2016 | Flood | Severe Storms And Flooding |
| 2011 | Fire | Wildfires |
Showing the 10 most recent of 31 total declarations since 1966.
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 | Relatively Low | 78.2 | 0 | 0 | — |
| Inland Flooding | Relatively Low | 69.7 | 20 | 8 | $1.9M |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 40.4 | — | — | — |
| Heat Wave | Relatively Low | 78.3 | 42 | 0 | — |
| Tornado | Relatively High | 92.3 | 1 | 0 | $50K |
| Hurricane | Relatively Low | 73.4 | 0 | 0 | — |
| Hail | Relatively Low | 44.1 | 45 | 0 | $223K |
| Strong Wind | Relatively High | 86.5 | 0 | 0 | — |
| Winter Weather | Relatively Moderate | 61.4 | 0 | 0 | — |
| Ice Storm | Relatively High | 82.4 | — | — | — |
| Cold Wave | Relatively Moderate | 82.9 | — | — | — |
| Lightning | Relatively Moderate | 79.5 | 0 | 0 | — |
| Drought | Relatively Low | 63.4 | 0 | 0 | — |
| Landslide | Relatively Low | 65.5 | 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
Anderson County ranks in the 90th percentile (High) 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 | 90th | High |
| Socioeconomic status | 79th | High |
| Household characteristics | 54th | Moderate |
| Racial & ethnic minority status | 81st | High |
| Housing type & transportation | 99th | 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 | 72nd | Relatively High |
| Risk to homes | 69th | Relatively High |
| Buildings in direct exposure zone | 74.8% | — |
NOAA tracked 108 weather events in this county over 2016–2025: 30 in 2016–20 vs 78 in 2021–25 (+160% — frequency increasing).
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
Frequently asked questions
What natural hazards pose the greatest risk in Anderson County?
According to the FEMA National Risk Index, the highest-risk hazards in Anderson County, Texas are tornado, strong wind, and cold wave. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.
Has Anderson County received federal disaster declarations?
Yes. Anderson County has received 31 federal disaster declarations since 1966, including declarations in 2024. The most common disaster type on record is hurricane (7 declarations).
Has Anderson County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Anderson County include Severe Storms, Straight-Line Winds, Tornadoes, And Flooding (2024), Hurricane Beryl (2024). See the declarations table above for the full history since 1966.
How does Anderson County's natural hazard risk compare to nearby counties?
Among neighboring counties, Henderson County, TX has the highest overall natural hazard risk (Relatively Moderate) and Freestone County, TX has the lowest (Relatively Low). Anderson County is rated Relatively Low overall.
How is Anderson County's composite disaster risk index calculated?
Anderson 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. Anderson County's composite score of 74 means its overall natural hazard risk is higher than 74% of US counties.