Onslow, NC
Onslow County in North Carolina has 22 FEMA disaster declarations on record covering 1996–2022, most recently Hurricane Ian on Oct 1, 2022 (DR-3586). Its flood risk grade is B (Moderate risk), ranking #47 of 3,277 U.S. counties, with 154 NFIP flood insurance claims totaling $4,178,525 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Onslow County
The 22 most recent federally declared disasters affecting Onslow County, NC (1996–2022). Total declarations on record: 22.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Oct 1, 2022 | Hurricane | Hurricane Ian | DR-3586 |
| Oct 14, 2020 | Hurricane | Hurricane Isaias | DR-4568 |
| Aug 2, 2020 | Hurricane | Hurricane Isaias | DR-3534 |
| Oct 4, 2019 | Hurricane | Hurricane Dorian | DR-4465 |
| Sep 3, 2019 | Hurricane | Hurricane Dorian | DR-3423 |
| Sep 14, 2018 | Hurricane | Hurricane Florence | DR-4393 |
| Sep 10, 2018 | Hurricane | Hurricane Florence | DR-3401 |
| Oct 10, 2016 | Hurricane | Hurricane Matthew | DR-4285 |
| Oct 7, 2016 | Hurricane | Hurricane Matthew | DR-3380 |
| Aug 31, 2011 | Hurricane | Hurricane Irene | DR-4019 |
| Aug 25, 2011 | Hurricane | Hurricane Irene | DR-3327 |
| Sep 1, 2010 | Hurricane | Hurricane Earl | DR-3314 |
| Oct 7, 2005 | Hurricane | Hurricane Ophelia | DR-1608 |
| Sep 14, 2005 | Hurricane | Hurricane Ophelia | DR-3254 |
| Sep 5, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3222 |
| Sep 18, 2003 | Hurricane | Hurricane Isabel | DR-1490 |
| Sep 16, 1999 | Hurricane | Hurricane Floyd Major Disaster Declarations | DR-1292 |
| Sep 15, 1999 | Hurricane | Hurricane Floyd Emergency Declarations | DR-3146 |
| Sep 1, 1999 | Hurricane | Hurricane Dennis | DR-3141 |
| Aug 27, 1998 | Hurricane | Hurricane Bonnie | DR-1240 |
| Sep 6, 1996 | Hurricane | Hurricane Fran | DR-1134 |
| Jul 18, 1996 | Hurricane | Hurricane Bertha | DR-1127 |
Score Breakdown
The composite score of 27 is calculated from four weighted factors. See our methodology for details.
Other Counties in North Carolina
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Beaufort | B | 28 | 263 | 22 |
| Hyde | B | 28 | 118 | 24 |
| Pender | B | 28 | 269 | 23 |
| Craven | B | 29 | 460 | 23 |
| Tyrrell | B | 24 | 49 | 17 |
| Watauga | B | 23 | 42 | 14 |
More Counties in North Carolina
Frequently Asked Questions
How many FEMA disaster declarations does Onslow County, NC have?
Onslow County, NC has 22 federal disaster declarations on FEMA record (1996–2022). The 5 most recent are: Hurricane Ian (declared Oct 1, 2022, DR-3586); Hurricane Isaias (declared Oct 14, 2020, DR-4568); Hurricane Isaias (declared Aug 2, 2020, DR-3534); Hurricane Dorian (declared Oct 4, 2019, DR-4465); Hurricane Dorian (declared Sep 3, 2019, DR-3423). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Onslow County, NC?
Onslow County is graded B (composite score 27/100, moderate risk). It ranks #47 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 Onslow County?
154 NFIP flood insurance claims have been filed in Onslow County, NC, totaling $4,178,525 in payouts. The average claim is $27,133. Source: FEMA FimaNfipClaims v2 dataset.
Has Onslow County, NC had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Onslow County was Hurricane Ian on Oct 1, 2022 (DR-3586). The county has 22 declared disasters in the OpenFEMA record covering 1996–2022.
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.
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.