Tillman County, OK
FEMA National Risk Index scores, disaster declarations & hazard data
Tillman County has experienced 36 federally declared disasters since 1973, most recently Severe Storms, Straight-Line Winds, Tornadoes, And Flooding in 2024. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Tillman County's highest-rated hazards are drought, ice storm, and hail, with its top risk rated "Relatively Moderate" by FEMA's National Risk Index. Recorded storm events have increased 114% over the past five years compared to the prior five-year period. Community vulnerability is elevated (91st 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. Tillman County has been designated in 36 declarations since 1973, covering 7 disaster types including severe storm (16), severe ice storm (8), flood (5).
| Year | Type | Event name |
|---|---|---|
| 2024 | Tornado | Severe Storms, Straight-Line Winds, Tornadoes, And Flooding |
| 2021 | Severe Ice Storm | Severe Winter Storms |
| 2021 | Severe Ice Storm | Severe Winter Storm |
| 2021 | Severe Ice Storm | Severe Winter Storm |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2019 | Severe Storm | Severe Storms, Tornadoes, Straight-Line Winds, And Flooding |
| 2019 | Severe Storm | Severe Storms, Straight-Line Winds, Tornadoes, And Flooding |
| 2016 | Severe Storm | Severe Winter Storms And Flooding |
| 2016 | Flood | Severe Storms And Flooding |
Showing the 10 most recent of 36 total declarations since 1973.
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 | 52.7 | 0 | 0 | — |
| Inland Flooding | Very Low | 6.7 | 17 | 0 | $60K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 32.1 | — | — | — |
| Heat Wave | Relatively Low | 48.3 | 77 | 0 | — |
| Tornado | Relatively Low | 41.1 | 23 | 0 | $139K |
| Hurricane | Very Low | 35.1 | 0 | 0 | — |
| Hail | Relatively Low | 64.9 | 116 | 0 | — |
| Strong Wind | Relatively Moderate | 59.9 | 0 | 0 | — |
| Winter Weather | Very Low | 19.3 | 0 | 0 | — |
| Ice Storm | Relatively Moderate | 69.9 | — | — | — |
| Cold Wave | Relatively Low | 27.6 | — | — | — |
| Lightning | Very Low | 2.9 | 0 | 0 | — |
| Drought | Relatively Moderate | 87.9 | 0 | 0 | — |
| Landslide | Very Low | 16.1 | 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
Tillman County ranks in the 91st 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 | 91st | High |
| Socioeconomic status | 86th | High |
| Household characteristics | 100th | High |
| Racial & ethnic minority status | 81st | High |
| Housing type & transportation | 46th | Low |
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 | 79th | Relatively High |
| Risk to homes | 81st | Very High |
| Buildings in direct exposure zone | 30.2% | — |
NOAA tracked 232 weather events in this county over 2016–2025: 74 in 2016–20 vs 158 in 2021–25 (+114% — 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 Tillman County?
According to the FEMA National Risk Index, the highest-risk hazards in Tillman County, Oklahoma are drought, ice storm, and hail. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Has Tillman County received federal disaster declarations?
Yes. Tillman County has received 36 federal disaster declarations since 1973, including declarations in 2024. The most common disaster type on record is severe storm (16 declarations).
Has Tillman County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Tillman County include Severe Storms, Straight-Line Winds, Tornadoes, And Flooding (2024). See the declarations table above for the full history since 1973.
How does Tillman County's natural hazard risk compare to nearby counties?
Among neighboring counties, Comanche County, OK has the highest overall natural hazard risk (Relatively Moderate) and Cotton County, OK has the lowest (Very Low). Tillman County is rated Very Low overall.
How is Tillman County's composite disaster risk index calculated?
Tillman 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. Tillman County's composite score of 13 means its overall natural hazard risk is higher than 13% of US counties.