Sussex, NJ
Sussex County in New Jersey has 11 FEMA disaster declarations on record covering 1971–2021, most recently Remnants of Hurricane Ida on Sep 5, 2021 (DR-4614). Its flood risk grade is A (Low risk), ranking #801 of 3,277 U.S. counties, with 3 NFIP flood insurance claims totaling $18,583 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Sussex County
The 11 most recent federally declared disasters affecting Sussex County, NJ (1971–2021). Total declarations on record: 11.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 5, 2021 | Hurricane | Remnants of Hurricane Ida | DR-4614 |
| Sep 2, 2021 | Hurricane | Remnants of Hurricane Ida | DR-3573 |
| Dec 11, 2020 | Hurricane | Tropical Storm Isaias | DR-4574 |
| Oct 30, 2012 | Hurricane | Hurricane Sandy | DR-4086 |
| Oct 28, 2012 | Hurricane | Hurricane Sandy | DR-3354 |
| Aug 31, 2011 | Hurricane | Hurricane Irene | DR-4021 |
| Aug 27, 2011 | Hurricane | Hurricane Irene | DR-3332 |
| Sep 19, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3257 |
| Sep 17, 1999 | Hurricane | Hurricane Floyd Emergency Declarations | DR-3148 |
| Jul 23, 1975 | Flood | Heavy Rains, High Winds, Hail & Tornadoes | DR-477 |
| Sep 4, 1971 | Flood | Heavy Rains & Flooding | DR-310 |
Score Breakdown
The composite score of 13 is calculated from four weighted factors. See our methodology for details.
Other Counties in New Jersey
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Mercer | A | 13 | 28 | 11 |
| Atlantic | A | 12 | 102 | 15 |
| Burlington | A | 12 | 64 | 11 |
| Warren | A | 12 | 8 | 9 |
| Cumberland | A | 15 | 8 | 13 |
| Monmouth | A | 15 | 89 | 14 |
More Counties in New Jersey
Frequently Asked Questions
How many FEMA disaster declarations does Sussex County, NJ have?
Sussex County, NJ has 11 federal disaster declarations on FEMA record (1971–2021). 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); Tropical Storm Isaias (declared Dec 11, 2020, DR-4574); Hurricane Sandy (declared Oct 30, 2012, DR-4086); Hurricane Sandy (declared Oct 28, 2012, DR-3354). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Sussex County, NJ?
Sussex County is graded A (composite score 13/100, low risk). It ranks #801 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 Sussex County?
3 NFIP flood insurance claims have been filed in Sussex County, NJ, totaling $18,583 in payouts. The average claim is $6,194. Source: FEMA FimaNfipClaims v2 dataset.
Has Sussex County, NJ had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Sussex County was Remnants of Hurricane Ida on Sep 5, 2021 (DR-4614). The county has 11 declared disasters in the OpenFEMA record covering 1971–2021.
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.
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.