Alcorn, MS
Alcorn County in Mississippi has 4 FEMA disaster declarations on record covering 2005–2021, most recently Hurricane Ida on Oct 22, 2021 (DR-4626). Its flood risk grade is A (Low risk), ranking #1847 of 3,277 U.S. counties, with 1 NFIP flood insurance claims totaling $161,835 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Alcorn County
The 4 most recent federally declared disasters affecting Alcorn County, MS (2005–2021). Total declarations on record: 4.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Oct 22, 2021 | Hurricane | Hurricane Ida | DR-4626 |
| Aug 28, 2021 | Hurricane | Hurricane Ida | DR-3569 |
| Aug 30, 2008 | Hurricane | Hurricane Gustav | DR-3291 |
| Aug 29, 2005 | Hurricane | Hurricane Katrina | DR-1604 |
Score Breakdown
The composite score of 10 is calculated from four weighted factors. See our methodology for details.
Other Counties in Mississippi
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Tate | A | 10 | 1 | 5 |
| Benton | A | 10 | 0 | 4 |
| Chickasaw | A | 10 | 0 | 5 |
| Choctaw | A | 10 | 2 | 5 |
| Lafayette | A | 10 | 2 | 4 |
| Marshall | A | 10 | 1 | 4 |
More Counties in Mississippi
Frequently Asked Questions
How many FEMA disaster declarations does Alcorn County, MS have?
Alcorn County, MS has 4 federal disaster declarations on FEMA record (2005–2021). The 4 most recent are: Hurricane Ida (declared Oct 22, 2021, DR-4626); Hurricane Ida (declared Aug 28, 2021, DR-3569); Hurricane Gustav (declared Aug 30, 2008, DR-3291); Hurricane Katrina (declared Aug 29, 2005, DR-1604). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Alcorn County, MS?
Alcorn County is graded A (composite score 10/100, low risk). It ranks #1847 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).
How many NFIP flood insurance claims have been filed in Alcorn County?
1 NFIP flood insurance claims have been filed in Alcorn County, MS, totaling $161,835 in payouts. The average claim is $161,835. Source: FEMA FimaNfipClaims v2 dataset.
Has Alcorn County, MS had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Alcorn County was Hurricane Ida on Oct 22, 2021 (DR-4626). The county has 4 declared disasters in the OpenFEMA record covering 2005–2021.
The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: FEMA OpenFEMA datasets, 2026.