Harrison, IA
Harrison County in Iowa has 10 FEMA disaster declarations on record covering 1965–2019, most recently Severe Storms and Flooding on Mar 23, 2019 (DR-4421). Its flood risk grade is A (Low risk), ranking #844 of 3,277 U.S. counties, with 4 NFIP flood insurance claims totaling $130,309 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Harrison County
The 10 most recent federally declared disasters affecting Harrison County, IA (1965–2019). Total declarations on record: 10.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Mar 23, 2019 | Flood | Severe Storms and Flooding | DR-4421 |
| Jun 27, 2011 | Flood | Flooding | DR-1998 |
| Sep 10, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3239 |
| Jul 2, 1998 | Flood | Severe Storms, Tornadoes and Flooding | DR-1230 |
| Jul 9, 1993 | Flood | Severe Storms & Flooding | DR-996 |
| Jun 24, 1974 | Flood | Severe Storms & Flooding | DR-443 |
| Sep 26, 1972 | Flood | Severe Storms & Flooding | DR-354 |
| Aug 18, 1972 | Flood | Severe Storms & Flooding | DR-348 |
| Apr 25, 1969 | Flood | Flooding | DR-259 |
| Apr 22, 1965 | Flood | Flooding | DR-193 |
Score Breakdown
The composite score of 13 is calculated from four weighted factors. See our methodology for details.
Other Counties in Iowa
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Dubuque | A | 13 | 3 | 11 |
| Lee | A | 13 | 2 | 10 |
| Fayette | A | 13 | 3 | 11 |
| Franklin | A | 13 | 0 | 11 |
| Iowa | A | 13 | 1 | 10 |
| Marshall | A | 13 | 0 | 10 |
More Counties in Iowa
Frequently Asked Questions
How many FEMA disaster declarations does Harrison County, IA have?
Harrison County, IA has 10 federal disaster declarations on FEMA record (1965–2019). The 5 most recent are: Severe Storms and Flooding (declared Mar 23, 2019, DR-4421); Flooding (declared Jun 27, 2011, DR-1998); Hurricane Katrina Evacuation (declared Sep 10, 2005, DR-3239); Severe Storms, Tornadoes and Flooding (declared Jul 2, 1998, DR-1230); Severe Storms & Flooding (declared Jul 9, 1993, DR-996). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Harrison County, IA?
Harrison County is graded A (composite score 13/100, low risk). It ranks #844 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 Harrison County?
4 NFIP flood insurance claims have been filed in Harrison County, IA, totaling $130,309 in payouts. The average claim is $32,577. Source: FEMA FimaNfipClaims v2 dataset.
Has Harrison County, IA had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Harrison County was Severe Storms and Flooding on Mar 23, 2019 (DR-4421). The county has 10 declared disasters in the OpenFEMA record covering 1965–2019.
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.