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Isabela, PR

Flood Risk Score: 14/100 · Rank #661 of 3,277 counties

Isabela County in PR has 12 FEMA disaster declarations on record covering 1975–2022, most recently Hurricane Fiona on Sep 21, 2022 (DR-4671). Its flood risk grade is A (Low risk), ranking #661 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.

14
Risk Score
0
NFIP Claims
$0
Total Payouts
12
Disasters
$0
Avg Claim
0
Active Policies

FEMA Disaster Declarations in Isabela County

The 12 most recent federally declared disasters affecting Isabela County, PR (1975–2022). Total declarations on record: 12.

DeclaredIncident TypeTitleFEMA Disaster #
Sep 21, 2022HurricaneHurricane FionaDR-4671
Sep 18, 2022HurricaneTropical Storm FionaDR-3583
Aug 22, 2020HurricaneTropical Storm LauraDR-3537
Jul 29, 2020HurricanePotential Tropical Cyclone NineDR-3532
Sep 20, 2017HurricaneHurricane MariaDR-4339
Sep 18, 2017HurricaneHurricane MariaDR-3391
Aug 22, 2011HurricaneHurricane IreneDR-3326
Nov 17, 1999HurricaneHurricane LennyDR-3151
Sep 24, 1998HurricaneHurricane Georges - 18 Sep 98DR-1247
Sep 11, 1996HurricaneHurricane HortenseDR-1136
Jul 10, 1986FloodHeavy Rains, Flooding & MudslidesDR-768
Sep 19, 1975FloodTropical Storm ElioiseDR-483

Score Breakdown

The composite score of 14 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
0
Disaster Frequency
25%
26
Claim Severity
20%
0
Year-over-Year Trend
15%
50

Other Counties in PR

CountyGradeScoreClaimsDisasters
AreciboA14920
MocaA14012
Cabo RojoA15013
CamuyA15014
HatilloA15014
HormiguerosA15013
View All Counties in PR

Frequently Asked Questions

How many FEMA disaster declarations does Isabela County, PR have?

Isabela County, PR has 12 federal disaster declarations on FEMA record (1975–2022). The 5 most recent are: Hurricane Fiona (declared Sep 21, 2022, DR-4671); Tropical Storm Fiona (declared Sep 18, 2022, DR-3583); Tropical Storm Laura (declared Aug 22, 2020, DR-3537); Potential Tropical Cyclone Nine (declared Jul 29, 2020, DR-3532); Hurricane Maria (declared Sep 20, 2017, DR-4339). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Isabela County, PR?

Isabela County is graded A (composite score 14/100, low risk). It ranks #661 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 Isabela County?

0 NFIP flood insurance claims have been filed in Isabela County, PR, totaling $0 in payouts. The average claim is $0. Source: FEMA FimaNfipClaims v2 dataset.

Has Isabela County, PR had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Isabela County was Hurricane Fiona on Sep 21, 2022 (DR-4671). The county has 12 declared disasters in the OpenFEMA record covering 1975–2022.

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.