Boundary, ID
Boundary County in Idaho has 3 FEMA disaster declarations on record covering 1974–2017, most recently Severe Storms, Flooding, Landslides, and Mudslides on May 18, 2017 (DR-4313). Its flood risk grade is A (Low risk), ranking #2491 of 3,277 U.S. counties, with 0 NFIP flood insurance claims totaling $0 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Boundary County
The 3 most recent federally declared disasters affecting Boundary County, ID (1974–2017). Total declarations on record: 3.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| May 18, 2017 | Flood | Severe Storms, Flooding, Landslides, and Mudslides | DR-4313 |
| Sep 13, 2005 | Hurricane | Hurricane Katrina | DR-3244 |
| Jan 25, 1974 | Flood | Severe Storms, Snowmelt & Flooding | DR-415 |
Score Breakdown
The composite score of 9 is calculated from four weighted factors. See our methodology for details.
Other Counties in Idaho
More Counties in Idaho
Frequently Asked Questions
How many FEMA disaster declarations does Boundary County, ID have?
Boundary County, ID has 3 federal disaster declarations on FEMA record (1974–2017). The 3 most recent are: Severe Storms, Flooding, Landslides, and Mudslides (declared May 18, 2017, DR-4313); Hurricane Katrina (declared Sep 13, 2005, DR-3244); Severe Storms, Snowmelt & Flooding (declared Jan 25, 1974, DR-415). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Boundary County, ID?
Boundary County is graded A (composite score 9/100, low risk). It ranks #2491 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 Boundary County?
0 NFIP flood insurance claims have been filed in Boundary County, ID, totaling $0 in payouts. The average claim is $0. Source: FEMA FimaNfipClaims v2 dataset.
Has Boundary County, ID had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Boundary County was Severe Storms, Flooding, Landslides, and Mudslides on May 18, 2017 (DR-4313). The county has 3 declared disasters in the OpenFEMA record covering 1974–2017.
For this entity, the underlying data on this page comes from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
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.