Clayton, IA
Clayton County in Iowa has 15 FEMA disaster declarations on record covering 1965–2023, most recently Flooding on Aug 25, 2023 (DR-4732). Its flood risk grade is A (Low risk), ranking #447 of 3,277 U.S. counties, with 3 NFIP flood insurance claims totaling $5,003 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Clayton County
The 15 most recent federally declared disasters affecting Clayton County, IA (1965–2023). Total declarations on record: 15.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Aug 25, 2023 | Flood | Flooding | DR-4732 |
| Mar 23, 2019 | Flood | Severe Storms and Flooding | DR-4421 |
| Oct 31, 2016 | Flood | Severe Storms and Flooding | DR-4289 |
| Sep 29, 2016 | Flood | Severe Storms, Straight-Line Winds, and Flooding | DR-4281 |
| Sep 10, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3239 |
| Jun 19, 2002 | Flood | Severe Storms and Flooding | DR-1420 |
| Jul 2, 1998 | Flood | Severe Storms, Tornadoes and Flooding | DR-1230 |
| Jul 9, 1993 | Flood | Severe Storms & Flooding | DR-996 |
| Jul 12, 1991 | Flood | Severe Storms & Flooding | DR-911 |
| Sep 6, 1990 | Flood | Severe Storms & Flooding | DR-879 |
| Jun 24, 1974 | Flood | Severe Storms & Flooding | DR-443 |
| Sep 26, 1972 | Flood | Severe Storms & Flooding | DR-354 |
| Apr 25, 1969 | Flood | Flooding | DR-259 |
| Aug 4, 1968 | Flood | Heavy Rains & Flooding | DR-248 |
| Apr 22, 1965 | Flood | Flooding | DR-193 |
Score Breakdown
The composite score of 16 is calculated from four weighted factors. See our methodology for details.
Other Counties in Iowa
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Allamakee | A | 15 | 0 | 13 |
| Johnson | A | 15 | 3 | 13 |
| Clinton | A | 18 | 6 | 13 |
| Des Moines | A | 14 | 25 | 14 |
| Buchanan | A | 14 | 6 | 12 |
| Butler | A | 14 | 9 | 12 |
More Counties in Iowa
Frequently Asked Questions
How many FEMA disaster declarations does Clayton County, IA have?
Clayton County, IA has 15 federal disaster declarations on FEMA record (1965–2023). The 5 most recent are: Flooding (declared Aug 25, 2023, DR-4732); Severe Storms and Flooding (declared Mar 23, 2019, DR-4421); Severe Storms and Flooding (declared Oct 31, 2016, DR-4289); Severe Storms, Straight-Line Winds, and Flooding (declared Sep 29, 2016, DR-4281); Hurricane Katrina Evacuation (declared Sep 10, 2005, DR-3239). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Clayton County, IA?
Clayton County is graded A (composite score 16/100, low risk). It ranks #447 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 Clayton County?
3 NFIP flood insurance claims have been filed in Clayton County, IA, totaling $5,003 in payouts. The average claim is $1,668. Source: FEMA FimaNfipClaims v2 dataset.
Has Clayton County, IA had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Clayton County was Flooding on Aug 25, 2023 (DR-4732). The county has 15 declared disasters in the OpenFEMA record covering 1965–2023.
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.