Grant County, OK
FEMA National Risk Index scores, disaster declarations & hazard data
Grant County has experienced 32 federally declared disasters since 1973, most recently Severe Winter Storm in 2021. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Grant County's highest-rated hazards are ice storm, drought, and cold wave, with its top risk rated "Relatively High" by FEMA's National Risk Index. Recorded storm events have increased 152% over the past five years compared to the prior five-year period. Community vulnerability is relatively low (22nd percentile nationally), indicating stronger recovery capacity than most US counties.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Grant County has been designated in 32 declarations since 1973, covering 7 disaster types including severe storm (16), severe ice storm (8), flood (3).
| Year | Type | Event name |
|---|---|---|
| 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, Straight-Line Winds, Tornadoes, And Flooding |
| 2016 | Severe Storm | Severe Winter Storms And Flooding |
| 2016 | Severe Ice Storm | Severe Winter Storms And Flooding |
| 2015 | Severe Storm | Severe Storms, Tornadoes, Straight-Line Winds, And Flooding |
| 2013 | Severe Storm | Severe Winter Storm And Snowstorm |
Showing the 10 most recent of 32 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 | 44.3 | 0 | 0 | — |
| Inland Flooding | Very Low | 13.8 | 8 | 0 | — |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 23.5 | 522 | — | — |
| Heat Wave | Relatively Low | 64.8 | 57 | 0 | — |
| Tornado | Relatively Low | 36.5 | 6 | 0 | $270K |
| Hurricane | Very Low | 16.1 | 0 | 0 | — |
| Hail | Relatively Low | 70.1 | 28 | 0 | — |
| Strong Wind | Very Low | 16.8 | 0 | 0 | — |
| Winter Weather | Very Low | 13.9 | 0 | 0 | — |
| Ice Storm | Relatively High | 93.7 | — | — | — |
| Cold Wave | Relatively Moderate | 73.4 | — | — | — |
| Lightning | Very Low | 6.9 | 0 | 0 | — |
| Drought | Relatively Moderate | 86.7 | 0 | 0 | — |
| Landslide | Very Low | 28.3 | 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
Grant County ranks in the 22nd percentile (Very 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 | 22nd | Very low |
| Socioeconomic status | 27th | Low |
| Household characteristics | 44th | Low |
| Racial & ethnic minority status | 43rd | Low |
| Housing type & transportation | 12th | Very 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 | 62nd | Relatively High |
| Risk to homes | 72nd | Relatively High |
| Buildings in direct exposure zone | 41.9% | — |
NOAA tracked 95 weather events in this county over 2016–2025: 27 in 2016–20 vs 68 in 2021–25 (+152% — 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 Grant County?
According to the FEMA National Risk Index, the highest-risk hazards in Grant County, Oklahoma are ice storm, drought, and cold wave. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Has Grant County received federal disaster declarations?
Yes. Grant County has received 32 federal disaster declarations since 1973, including declarations in 2021. The most common disaster type on record is severe storm (16 declarations).
Has Grant County had any FEMA disaster declarations in 2024, 2025, or 2026?
No federal disaster declarations have been recorded for Grant County since the start of 2024. Its most recent declaration on record is Severe Winter Storm in 2021.
How does Grant County's natural hazard risk compare to nearby counties?
Among neighboring counties, Garfield County, OK has the highest overall natural hazard risk (Relatively Moderate) and Harper County, KS has the lowest (Very Low). Grant County is rated Very Low overall.
How is Grant County's composite disaster risk index calculated?
Grant 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. Grant County's composite score of 28 means its overall natural hazard risk is higher than 28% of US counties.