Fairfax, VA
Fairfax County in Virginia has 6 FEMA disaster declarations on record covering 1972–2018, most recently Hurricane Florence on Sep 11, 2018 (DR-3403). Its flood risk grade is A (Low risk), ranking #1667 of 3,277 U.S. counties, with 2 NFIP flood insurance claims totaling $2,605 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Fairfax County
The 6 most recent federally declared disasters affecting Fairfax County, VA (1972–2018). Total declarations on record: 6.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 11, 2018 | Hurricane | Hurricane Florence | DR-3403 |
| Nov 26, 2012 | Hurricane | Hurricane Sandy | DR-4092 |
| Oct 29, 2012 | Hurricane | Hurricane Sandy | DR-3359 |
| Sep 12, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3240 |
| Sep 18, 2003 | Hurricane | Hurricane Isabel | DR-1491 |
| Jun 23, 1972 | Flood | Tropical Storm Agnes | DR-339 |
Score Breakdown
The composite score of 11 is calculated from four weighted factors. See our methodology for details.
Other Counties in Virginia
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Charlotte | A | 11 | 0 | 7 |
| Floyd | A | 11 | 3 | 7 |
| Prince Edward | A | 11 | 1 | 7 |
| Martinsville | A | 11 | 0 | 7 |
| Henry | A | 11 | 5 | 6 |
| Mathews | A | 11 | 9 | 13 |
More Counties in Virginia
Frequently Asked Questions
How many FEMA disaster declarations does Fairfax County, VA have?
Fairfax County, VA has 6 federal disaster declarations on FEMA record (1972–2018). The 5 most recent are: Hurricane Florence (declared Sep 11, 2018, DR-3403); Hurricane Sandy (declared Nov 26, 2012, DR-4092); Hurricane Sandy (declared Oct 29, 2012, DR-3359); Hurricane Katrina Evacuation (declared Sep 12, 2005, DR-3240); Hurricane Isabel (declared Sep 18, 2003, DR-1491). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Fairfax County, VA?
Fairfax County is graded A (composite score 11/100, low risk). It ranks #1667 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 Fairfax County?
2 NFIP flood insurance claims have been filed in Fairfax County, VA, totaling $2,605 in payouts. The average claim is $1,303. Source: FEMA FimaNfipClaims v2 dataset.
Has Fairfax County, VA had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Fairfax County was Hurricane Florence on Sep 11, 2018 (DR-3403). The county has 6 declared disasters in the OpenFEMA record covering 1972–2018.
this entity is one of the data points covered by this site’s U.S. flood risk, NFIP claims, and disaster declarations dataset. The detail above comes directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the context that follows situates the headline numbers against the broader distribution across U.S. ZIPs, counties, and states.
Every number on this page links back to FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
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.