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B

Somerset, NJ

Flood Risk Score: 24/100 · Rank #73 of 3,277 counties

Somerset County in New Jersey has 14 FEMA disaster declarations on record covering 1968–2021, most recently Remnants of Hurricane Ida on Sep 5, 2021 (DR-4614). Its flood risk grade is B (Moderate risk), ranking #73 of 3,277 U.S. counties, with 180 NFIP flood insurance claims totaling $12,695,147 in payouts. Flood risk is relatively low compared to the national average.

24
Risk Score
180
NFIP Claims
$12,695,147
Total Payouts
14
Disasters
$70,529
Avg Claim
180
Active Policies

FEMA Disaster Declarations in Somerset County

The 14 most recent federally declared disasters affecting Somerset County, NJ (1968–2021). Total declarations on record: 14.

DeclaredIncident TypeTitleFEMA Disaster #
Sep 5, 2021HurricaneRemnants of Hurricane IdaDR-4614
Sep 2, 2021HurricaneRemnants of Hurricane IdaDR-3573
Oct 30, 2012HurricaneHurricane SandyDR-4086
Oct 28, 2012HurricaneHurricane SandyDR-3354
Aug 31, 2011HurricaneHurricane IreneDR-4021
Aug 27, 2011HurricaneHurricane IreneDR-3332
Sep 19, 2005HurricaneHurricane Katrina EvacuationDR-3257
Sep 18, 1999HurricaneHurricane Floyd Major Disaster DeclarationsDR-1295
Sep 17, 1999HurricaneHurricane Floyd Emergency DeclarationsDR-3148
Dec 18, 1992FloodCoastal Storm, High Tides, Heavy Rain, & FloodingDR-973
Jul 23, 1975FloodHeavy Rains, High Winds, Hail & TornadoesDR-477
Aug 7, 1973FloodSevere Storms & FloodingDR-402
Sep 4, 1971FloodHeavy Rains & FloodingDR-310
Jun 18, 1968FloodHeavy Rains & FloodingDR-245

Score Breakdown

The composite score of 24 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
2
Disaster Frequency
25%
30
Claim Severity
20%
1
Year-over-Year Trend
15%
100

Other Counties in New Jersey

CountyGradeScoreClaimsDisasters
BergenB2437415
EssexB2520716
MiddlesexB2315514
MorrisB238014
PassaicB2316613
SalemB221412
View All Counties in New Jersey

Frequently Asked Questions

How many FEMA disaster declarations does Somerset County, NJ have?

Somerset County, NJ has 14 federal disaster declarations on FEMA record (1968–2021). The 5 most recent are: Remnants of Hurricane Ida (declared Sep 5, 2021, DR-4614); Remnants of Hurricane Ida (declared Sep 2, 2021, DR-3573); Hurricane Sandy (declared Oct 30, 2012, DR-4086); Hurricane Sandy (declared Oct 28, 2012, DR-3354); Hurricane Irene (declared Aug 31, 2011, DR-4021). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Somerset County, NJ?

Somerset County is graded B (composite score 24/100, moderate risk). It ranks #73 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 Somerset County?

180 NFIP flood insurance claims have been filed in Somerset County, NJ, totaling $12,695,147 in payouts. The average claim is $70,529. Source: FEMA FimaNfipClaims v2 dataset.

Has Somerset County, NJ had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Somerset County was Remnants of Hurricane Ida on Sep 5, 2021 (DR-4614). The county has 14 declared disasters in the OpenFEMA record covering 1968–2021.

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.

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.