Grayson, TX
Grayson County in Texas has 5 FEMA disaster declarations on record covering 1981–2008, most recently Hurricane Ike on Sep 10, 2008 (DR-3294). Its flood risk grade is A (Low risk), ranking #3268 of 3,277 U.S. counties, with 31 NFIP flood insurance claims totaling $1,574,183 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Grayson County
The 5 most recent federally declared disasters affecting Grayson County, TX (1981–2008). Total declarations on record: 5.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 10, 2008 | Hurricane | Hurricane Ike | DR-3294 |
| Sep 24, 2005 | Hurricane | Hurricane Rita | DR-1606 |
| Sep 21, 2005 | Hurricane | Hurricane Rita | DR-3261 |
| Sep 2, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3216 |
| Oct 23, 1981 | Flood | Severe Storms & Flooding | DR-648 |
Score Breakdown
The composite score of 4 is calculated from four weighted factors. See our methodology for details.
Other Counties in Texas
More Counties in Texas
Frequently Asked Questions
How many FEMA disaster declarations does Grayson County, TX have?
Grayson County, TX has 5 federal disaster declarations on FEMA record (1981–2008). The 5 most recent are: Hurricane Ike (declared Sep 10, 2008, DR-3294); Hurricane Rita (declared Sep 24, 2005, DR-1606); Hurricane Rita (declared Sep 21, 2005, DR-3261); Hurricane Katrina Evacuation (declared Sep 2, 2005, DR-3216); Severe Storms & Flooding (declared Oct 23, 1981, DR-648). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Grayson County, TX?
Grayson County is graded A (composite score 4/100, low risk). It ranks #3268 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 Grayson County?
31 NFIP flood insurance claims have been filed in Grayson County, TX, totaling $1,574,183 in payouts. The average claim is $50,780. Source: FEMA FimaNfipClaims v2 dataset.
Has Grayson County, TX had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Grayson County was Hurricane Ike on Sep 10, 2008 (DR-3294). The county has 5 declared disasters in the OpenFEMA record covering 1981–2008.
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.