Allen, OH
Allen County in Ohio has 1 FEMA disaster declaration on record covering 2005, most recently Hurricane Katrina Evacuation on Sep 13, 2005 (DR-3250). Its flood risk grade is A (Low risk), ranking #3274 of 3,277 U.S. counties, with 28 NFIP flood insurance claims totaling $553,889 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Allen County
The 1 most recent federally declared disasters affecting Allen County, OH (2005). Total declarations on record: 1.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 13, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3250 |
Score Breakdown
The composite score of 3 is calculated from four weighted factors. See our methodology for details.
Other Counties in Ohio
More Counties in Ohio
Frequently Asked Questions
How many FEMA disaster declarations does Allen County, OH have?
Allen County, OH has 1 federal disaster declarations on FEMA record (2005). The 1 most recent are: Hurricane Katrina Evacuation (declared Sep 13, 2005, DR-3250). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Allen County, OH?
Allen County is graded A (composite score 3/100, low risk). It ranks #3274 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 Allen County?
28 NFIP flood insurance claims have been filed in Allen County, OH, totaling $553,889 in payouts. The average claim is $19,782. Source: FEMA FimaNfipClaims v2 dataset.
Has Allen County, OH had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Allen County was Hurricane Katrina Evacuation on Sep 13, 2005 (DR-3250). The county has 1 declared disasters in the OpenFEMA record covering 2005.
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.
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.