Greenlee County, AZ
FEMA National Risk Index scores, disaster declarations & hazard data
Greenlee County has experienced 13 federally declared disasters since 1966, most recently Covid-19 in 2020. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Greenlee County's highest-rated hazards are wildfire, lightning, and landslide, with its top risk rated "Relatively Low" by FEMA's National Risk Index.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Greenlee County has been designated in 13 declarations since 1966, covering 5 disaster types including flood (6), severe storm (3), biological (2).
| Year | Type | Event name |
|---|---|---|
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2011 | Fire | Wallow Fire |
| 2010 | Severe Storm | Severe Winter Storms And Flooding |
| 2006 | Severe Storm | Severe Storms And Flooding |
| 2005 | Severe Storm | Severe Storms And Flooding |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
| 1993 | Flood | Severe Storms, Tornadoes & Flooding |
| 1984 | Flood | Severe Storms & Flooding |
| 1979 | Flood | Severe Storms & Flooding |
Showing the 10 most recent of 13 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 | 82.5 | 0 | 0 | — |
| Inland Flooding | Very Low | 29.6 | 3 | 0 | $325K |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 22 | 103 | — | — |
| Heat Wave | Relatively Low | 60.4 | 1 | 0 | — |
| Tornado | Very Low | 1.2 | 0 | 0 | — |
| Hurricane | Very Low | 7.4 | 0 | 0 | — |
| Hail | Very Low | 4.1 | 0 | 0 | — |
| Strong Wind | Very Low | 2.4 | 0 | 0 | — |
| Winter Weather | Relatively Low | 28.5 | 0 | 0 | — |
| Ice Storm | Not Applicable | — | — | — | — |
| Cold Wave | Very Low | 3.7 | — | — | — |
| Lightning | Relatively Moderate | 77.6 | 0 | 0 | — |
| Drought | Relatively Low | 31.9 | 0 | 0 | — |
| Landslide | Relatively Low | 63.4 | 0 | 0 | — |
| Avalanche | Very Low | 43.6 | — | — | — |
| Tsunami | Not Applicable | — | — | — | — |
| Volcanic Activity | Very Low | 12.7 | — | — | — |
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
Greenlee County ranks in the 36th 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 | 36th | Low |
| Socioeconomic status | 10th | Very low |
| Household characteristics | 67th | Moderate |
| Racial & ethnic minority status | 89th | High |
| Housing type & transportation | 44th | 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 | 95th | Very High |
| Risk to homes | 97th | Very High |
| Buildings in direct exposure zone | 33.7% | — |
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 Greenlee County?
According to the FEMA National Risk Index, the highest-risk hazards in Greenlee County, Arizona are wildfire, lightning, and landslide. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Has Greenlee County received federal disaster declarations?
Yes. Greenlee County has received 13 federal disaster declarations since 1966, including declarations in 2020. The most common disaster type on record is flood (6 declarations).
Has Greenlee County had any FEMA disaster declarations in 2024, 2025, or 2026?
No federal disaster declarations have been recorded for Greenlee County since the start of 2024. Its most recent declaration on record is Covid-19 in 2020.
How does Greenlee County's natural hazard risk compare to nearby counties?
Among neighboring counties, Cochise County, AZ has the highest overall natural hazard risk (Relatively Moderate) and Hidalgo County, NM has the lowest (Very Low). Greenlee County is rated Very Low overall.
How is Greenlee County's composite disaster risk index calculated?
Greenlee 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. Greenlee County's composite score of 12 means its overall natural hazard risk is higher than 12% of US counties.