Acadia Parish, LA
FEMA National Risk Index scores, disaster declarations & hazard data
Acadia Parish has experienced 42 federally declared disasters since 1965, most recently Severe Winter Storm in 2026. Its overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Acadia Parish's highest-rated hazards are hurricane, drought, and lightning, with its top risk rated "Relatively High" by FEMA's National Risk Index. Recorded storm events have decreased 15% over the past five years compared to the prior five-year period. Community vulnerability is elevated (88th 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. Acadia Parish has been designated in 42 declarations since 1965, covering 8 disaster types including hurricane (26), severe storm (4), flood (3).
| Year | Type | Event name |
|---|---|---|
| 2026 | Winter Storm | Severe Winter Storm |
| 2024 | Hurricane | Tropical Storm Francine |
| 2021 | Hurricane | Tropical Storm Zeta |
| 2021 | Coastal Storm | Tropical Storm Nicholas |
| 2021 | Hurricane | Tropical Storm Ida |
| 2021 | Severe Ice Storm | Severe Winter Storms |
| 2021 | Severe Ice Storm | Severe Winter Storm |
| 2021 | Hurricane | Hurricane Zeta |
| 2021 | Hurricane | Hurricane Ida |
| 2021 | Hurricane | Hurricane Delta |
Showing the 10 most recent of 42 total declarations since 1965.
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 | 61.6 | 0 | 0 | — |
| Inland Flooding | Relatively Moderate | 86.4 | 15 | 0 | $245.4M |
| Coastal Flooding | Relatively Low | 45.4 | 0 | 0 | — |
| Earthquake | Very Low | 48.3 | — | — | — |
| Heat Wave | Relatively Moderate | 80.6 | 0 | 0 | — |
| Tornado | Relatively Moderate | 71.5 | 14 | 1 | $925K |
| Hurricane | Relatively High | 96.7 | 0 | 0 | — |
| Hail | Relatively Low | 41.6 | 22 | 0 | — |
| Strong Wind | Relatively Low | 37.8 | 0 | 0 | — |
| Winter Weather | Relatively Low | 35.2 | 0 | 0 | — |
| Ice Storm | Relatively Moderate | 80.1 | — | — | — |
| Cold Wave | Relatively Moderate | 84.6 | — | — | — |
| Lightning | Relatively High | 91.4 | 1 | 0 | $10K |
| Drought | Relatively High | 94.9 | 0 | 0 | — |
| Landslide | Very Low | 13.8 | 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
Acadia Parish ranks in the 88th 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 | 88th | High |
| Socioeconomic status | 89th | High |
| Household characteristics | 88th | High |
| Racial & ethnic minority status | 58th | Moderate |
| Housing type & transportation | 79th | 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 | 34th | Relatively Low |
| Risk to homes | 32nd | Relatively Low |
| Buildings in direct exposure zone | 49.6% | — |
NOAA tracked 50 weather events in this county over 2016–2025: 27 in 2016–20 vs 23 in 2021–25 (-15% — frequency decreasing).
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 Acadia Parish?
According to the FEMA National Risk Index, the highest-risk hazards in Acadia Parish, Louisiana are hurricane, drought, and lightning. The county's overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Has Acadia Parish received federal disaster declarations?
Yes. Acadia Parish has received 42 federal disaster declarations since 1965, including declarations in 2026. The most common disaster type on record is hurricane (26 declarations).
Has Acadia Parish had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Acadia Parish include Severe Winter Storm (2026), Tropical Storm Francine (2024). See the declarations table above for the full history since 1965.
How does Acadia Parish's natural hazard risk compare to nearby counties?
Among neighboring counties, Lafayette Parish, LA has the highest overall natural hazard risk (Relatively High) and Allen Parish, LA has the lowest (Relatively Low). Acadia Parish is rated Relatively Moderate overall.
How is Acadia Parish's composite disaster risk index calculated?
Acadia Parish'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. Acadia Parish's composite score of 89 means its overall natural hazard risk is higher than 89% of US counties.