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A

Alleghany, VA

Flood Risk Score: 12/100 · Rank #1265 of 3,277 counties

Alleghany County in Virginia has 8 FEMA disaster declarations on record covering 1969–2018, most recently Hurricane Florence on Sep 11, 2018 (DR-3403). Its flood risk grade is A (Low risk), ranking #1265 of 3,277 U.S. counties, with 4 NFIP flood insurance claims totaling $53,151 in payouts. Flood risk is relatively low compared to the national average.

12
Risk Score
4
NFIP Claims
$53,151
Total Payouts
8
Disasters
$13,288
Avg Claim
4
Active Policies

FEMA Disaster Declarations in Alleghany County

The 8 most recent federally declared disasters affecting Alleghany County, VA (1969–2018). Total declarations on record: 8.

DeclaredIncident TypeTitleFEMA Disaster #
Sep 11, 2018HurricaneHurricane FlorenceDR-3403
Oct 29, 2012HurricaneHurricane SandyDR-3359
Sep 12, 2005HurricaneHurricane Katrina EvacuationDR-3240
Sep 6, 1996HurricaneHurricane Fran and Associated Severe Storm CondDR-1135
Jan 27, 1996FloodFlooding, High Winds, and Wind Driven RainDR-1098
Nov 9, 1985FloodSevere Storms & FloodingDR-755
Jun 23, 1972FloodTropical Storm AgnesDR-339
Aug 23, 1969HurricaneSevere Storms & FloodingDR-274

Score Breakdown

The composite score of 12 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
0
Disaster Frequency
25%
17
Claim Severity
20%
0
Year-over-Year Trend
15%
50

Other Counties in Virginia

CountyGradeScoreClaimsDisasters
AmeliaA1209
AppomattoxA1209
BrunswickA1219
CampbellA1239
CumberlandA1219
DinwiddieA1209
View All Counties in Virginia

Frequently Asked Questions

How many FEMA disaster declarations does Alleghany County, VA have?

Alleghany County, VA has 8 federal disaster declarations on FEMA record (1969–2018). The 5 most recent are: Hurricane Florence (declared Sep 11, 2018, DR-3403); Hurricane Sandy (declared Oct 29, 2012, DR-3359); Hurricane Katrina Evacuation (declared Sep 12, 2005, DR-3240); Hurricane Fran and Associated Severe Storm Cond (declared Sep 6, 1996, DR-1135); Flooding, High Winds, and Wind Driven Rain (declared Jan 27, 1996, DR-1098). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Alleghany County, VA?

Alleghany County is graded A (composite score 12/100, low risk). It ranks #1265 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 Alleghany County?

4 NFIP flood insurance claims have been filed in Alleghany County, VA, totaling $53,151 in payouts. The average claim is $13,288. Source: FEMA FimaNfipClaims v2 dataset.

Has Alleghany County, VA had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Alleghany County was Hurricane Florence on Sep 11, 2018 (DR-3403). The county has 8 declared disasters in the OpenFEMA record covering 1969–2018.

For this entity, the underlying data on this page comes from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.

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.

Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. ZIPs, counties, and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.

Source: FEMA OpenFEMA datasets, 2026.