Bannock, ID
Bannock County in Idaho has 2 FEMA disaster declarations on record covering 1964–2005, most recently Hurricane Katrina on Sep 13, 2005 (DR-3244). Its flood risk grade is A (Low risk), ranking #2678 of 3,277 U.S. counties, with 1 NFIP flood insurance claims totaling $3,360 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Bannock County
The 2 most recent federally declared disasters affecting Bannock County, ID (1964–2005). Total declarations on record: 2.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 13, 2005 | Hurricane | Hurricane Katrina | DR-3244 |
| Dec 31, 1964 | Flood | Heavy Rains & Flooding | DR-186 |
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 Bannock County, ID have?
Bannock County, ID has 2 federal disaster declarations on FEMA record (1964–2005). The 2 most recent are: Hurricane Katrina (declared Sep 13, 2005, DR-3244); Heavy Rains & Flooding (declared Dec 31, 1964, DR-186). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Bannock County, ID?
Bannock County is graded A (composite score 9/100, low risk). It ranks #2678 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 Bannock County?
1 NFIP flood insurance claims have been filed in Bannock County, ID, totaling $3,360 in payouts. The average claim is $3,360. Source: FEMA FimaNfipClaims v2 dataset.
Has Bannock County, ID had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Bannock County was Hurricane Katrina on Sep 13, 2005 (DR-3244). The county has 2 declared disasters in the OpenFEMA record covering 1964–2005.
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.