FEMA rates relative strong wind risk for Mercer County as very high and reports FEMA annualized frequency of 7.715 per year for the area.
FEMA summary
FEMA's profile for Mercer County reports FEMA annualized frequency of 7.715 per year for strong wind. FEMA's relative risk rating for the area is very high; the annualized frequency is a separate measure.
Hazard metrics cover FEMA county-equivalent geographies rather than individual addresses or parcels. Use local or state hazard maps before making a property, insurance, retrofit, or evacuation decision.
Select a hazard to inspect FEMA's figures for Mercer County.
Strong Wind
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
99.8/100
Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.
The area loss estimate combines FEMA's modeled losses to buildings, population, and agriculture across Mercer County. It is not an estimate for a home or address.
City risk summary
For Trenton, FEMA rates strong wind risk for Mercer County as very high, with a relative score of 99.8/100. The next highest relative scores are heat wave at 98.2/100 and riverine flooding at 96.9/100.
Using FEMA data for Mercer County, Trenton is #1 among 7 covered New Jersey entries for strong wind risk. Philadelphia is about 25 straight-line miles from the Trenton map point; its FEMA figures cover Philadelphia County.
For homeowners and movers
Preparedness actions
Living in Trenton? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Trenton. All FEMA figures on this page cover Mercer County.
The FEMA figures cover Mercer County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative strong wind risk for Mercer County as very high. Its FEMA annualized frequency is 7.715 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 7 New Jersey cities covered by this directory, Trenton is #1 for relative strong wind risk based on FEMA's score for Mercer County. Homes within Trenton can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for Mercer County, the highest relative ratings are Strong Wind (Very High), Heat Wave (Relatively High), and Riverine Flooding (Relatively High). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover Mercer County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives Mercer County an overall relative risk rating of relatively moderate. Conditions at a specific home depend on its hazard zones, building type, maintenance, insurance, and access to evacuation routes and emergency services.
Start with this step: Confirm the exact hazard using official local maps before making property or insurance decisions. Know how local officials issue warnings and evacuation instructions. Use Ready.gov Be Informed and local emergency guidance for a complete plan.
Distances are measured between city coordinates.
| City | Distance | Strong Wind rating | Relative score |
|---|---|---|---|
| Philadelphia, PA | 25 mi | Very High | 98.6 |
| Staten Island, NY | 41 mi | Relatively High | 96.1 |
| Elizabeth, NJ | 43 mi | Relatively High | 98.0 |
| Allentown, PA | 45 mi | Relatively High | 94.6 |
| Newark, NJ | 47 mi | Very High | 99.1 |
Limited to products tagged for strong wind or general preparedness.
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View productHazard metrics come from FEMA National Risk Index v1.19.0 (March 2023). City population and coordinates come from SimpleMaps US Cities Database. For current conditions, use official local maps, warnings, inspections, and professional advice.