Washington, OH
Washington County in Ohio has 5 FEMA disaster declarations on record covering 1968–2019, most recently Severe Storms, Flooding, and Landslides on Apr 8, 2019 (DR-4424). Its flood risk grade is A (Low risk), ranking #339 of 3,277 U.S. counties, with 10 NFIP flood insurance claims totaling $156,248 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Washington County
The 5 most recent federally declared disasters affecting Washington County, OH (1968–2019). Total declarations on record: 5.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Apr 8, 2019 | Flood | Severe Storms, Flooding, and Landslides | DR-4424 |
| Apr 17, 2018 | Flood | Severe Storms, Landslides, and Mudslides | DR-4360 |
| Sep 13, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3250 |
| Jan 27, 1996 | Flood | Severe Storms and Flooding | DR-1097 |
| Jun 5, 1968 | Flood | Heavy Rains & Flooding | DR-243 |
Score Breakdown
The composite score of 18 is calculated from four weighted factors. See our methodology for details.
Other Counties in Ohio
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Belmont | A | 19 | 13 | 8 |
| Butler | A | 17 | 11 | 4 |
| Clermont | A | 17 | 11 | 4 |
| Erie | A | 17 | 11 | 3 |
| Montgomery | A | 17 | 12 | 3 |
| Ottawa | A | 17 | 18 | 4 |
More Counties in Ohio
Frequently Asked Questions
How many FEMA disaster declarations does Washington County, OH have?
Washington County, OH has 5 federal disaster declarations on FEMA record (1968–2019). The 5 most recent are: Severe Storms, Flooding, and Landslides (declared Apr 8, 2019, DR-4424); Severe Storms, Landslides, and Mudslides (declared Apr 17, 2018, DR-4360); Hurricane Katrina Evacuation (declared Sep 13, 2005, DR-3250); Severe Storms and Flooding (declared Jan 27, 1996, DR-1097); Heavy Rains & Flooding (declared Jun 5, 1968, DR-243). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Washington County, OH?
Washington County is graded A (composite score 18/100, low risk). It ranks #339 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 Washington County?
10 NFIP flood insurance claims have been filed in Washington County, OH, totaling $156,248 in payouts. The average claim is $15,625. Source: FEMA FimaNfipClaims v2 dataset.
Has Washington County, OH had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Washington County was Severe Storms, Flooding, and Landslides on Apr 8, 2019 (DR-4424). The county has 5 declared disasters in the OpenFEMA record covering 1968–2019.
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.
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.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. ZIPs, counties, and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: FEMA OpenFEMA datasets, 2026.