Virginia coastal flooding risk
Accomack County has the highest coastal flooding risk in Virginia, scoring 96.8 out of 100 — rated "Very High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Accomack County | 96.8 | Very High |
| 2 | Norfolk | 82.4 | Relatively High |
| 3 | Chesapeake | 80.6 | Relatively Moderate |
| 4 | Hampton | 80.4 | Relatively Moderate |
| 5 | Mathews County | 80 | Relatively Moderate |
| 6 | Northumberland County | 68.4 | Relatively Moderate |
| 7 | Virginia Beach | 67.4 | Relatively Moderate |
| 8 | Gloucester County | 66.6 | Relatively Moderate |
| 9 | Westmoreland County | 64.8 | Relatively Moderate |
| 10 | Portsmouth | 64.2 | Relatively Moderate |
| 11 | Poquoson | 62.4 | Relatively Moderate |
| 12 | Isle of Wight County | 61.8 | Relatively Moderate |
| 13 | Suffolk | 61 | Relatively Moderate |
| 14 | Lancaster County | 60.6 | Relatively Moderate |
| 15 | Newport News | 60.2 | Relatively Low |
| 16 | Middlesex County | 58 | Relatively Low |
| 17 | York County | 57.4 | Relatively Low |
| 18 | Northampton County | 57.2 | Relatively Low |
| 19 | Alexandria | 56 | Relatively Low |
| 20 | Essex County | 55.6 | Relatively Low |
| 21 | James City County | 53.2 | Relatively Low |
| 22 | New Kent County | 52.8 | Relatively Low |
| 23 | Fairfax County | 52.6 | Relatively Low |
| 24 | King and Queen County | 51.6 | Relatively Low |
| 25 | King William County | 50.6 | Relatively Low |
| 26 | Prince William County | 48.8 | Relatively Low |
| 27 | Hopewell | 48.6 | Relatively Low |
| 28 | Richmond County | 48.2 | Relatively Low |
| 29 | Stafford County | 47.4 | Relatively Low |
| 30 | Charles City County | 45.2 | Relatively Low |
| 31 | Chesterfield County | 44.8 | Relatively Low |
| 32 | King George County | 43.6 | Relatively Low |
| 33 | Colonial Heights | 43 | Very Low |
| 34 | Surry County | 42 | Very Low |
| 35 | Arlington County | 41.6 | Very Low |
| 36 | Prince George County | 40 | Very Low |
| 37 | Richmond | 39.8 | Very Low |
| 38 | Williamsburg | 37.4 | Very Low |
| 39 | Petersburg | 36.2 | Very Low |
| 40 | Henrico County | 35.8 | Very Low |
| 41 | Caroline County | 26.2 | Very Low |
| 42 | Hanover County | 25.2 | Very Low |
| 43 | Southampton County | 21 | Very Low |
| 44 | Spotsylvania County | 17.6 | Very Low |
| 45 | Fredericksburg | 17 | Very Low |
| 46 | Franklin | 16.6 | Very Low |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Coastal Flooding risk nationally:
Other hazard risks in Virginia:
Frequently asked questions
What is the highest coastal flooding risk county in Virginia?
Accomack County, VA has the highest coastal flooding risk in Virginia, with a FEMA National Risk Index score of 96.8 out of 100 (rated "Very High").
How many counties in Virginia are rated Very High for coastal flooding risk?
1 of 46 scored Virginia counties are rated "Very High" for coastal flooding risk by FEMA's National Risk Index.
What causes coastal flooding risk in Virginia?
Coastal flooding scores cover storm surge, wave action, and tidal flooding along the Gulf, Atlantic, and Pacific coasts, and Great Lakes shoreline. Inland flooding is scored separately. Counties with "Not Applicable" ratings have no significant coastal exposure. Coastal flood events are reported at zone level in NOAA Storm Events and are not included in county-level counts.