riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Henderson County Disaster Risk

Henderson County, North Carolina

FEMA Risk Rating

Relatively Moderate

National Percentile

84th

of 3,144 counties

State Rank

#29

of 100 (1 = highest risk)

Flood Risk

84th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 84% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 45% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 81% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 85% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 70% of US counties

Risk Overview

About Natural Disaster Risk in Henderson County, North Carolina

Henderson County ranks above-average nationally

Henderson's composite risk score of 83.78 exceeds the national median and earns a Relatively Moderate rating, indicating elevated disaster exposure. Residents face measurably higher natural hazard risk compared to typical U.S. counties.

Among North Carolina's higher-risk counties

At 83.78, Henderson ranks in the upper third of North Carolina's counties, well above the state average of 66.72. The county's mountain location and proximity to multiple hazard zones drive this elevated composite score.

Riskiest in its immediate region

Henderson (83.78) substantially exceeds neighboring Polk, Transylvania, and Buncombe counties in composite risk, making it one of the mountain region's most hazard-exposed areas. Only Guilford County (93.45) elsewhere in the state carries comparable risk.

Earthquakes and floods compound mountain risks

Henderson faces earthquake risk of 84.61 and flood risk of 84.00—both significantly elevated due to its Blue Ridge location. Tornado risk (80.57) adds a third serious threat to this multi-hazard environment.

Comprehensive coverage essential here

Henderson's earthquake (84.61), flood (84.00), and tornado (80.57) risks demand robust insurance: verify earthquake coverage, secure separate flood insurance, and ensure wind protection. Foundation reinforcement and proper drainage infrastructure provide critical physical protection.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Henderson County

Top Hazards by Exposure

  1. #1
    EarthquakePrepare
    85th percentile
  2. #2
    FloodPrepare
    84th percentile
  3. #3
    TornadoPrepare
    81th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Henderson County

Risk Verdict

FEMA's National Risk Index rates Henderson County at the 84th percentile nationally — above average and worth proactive preparation. Residents should prioritize a formal household emergency plan, including evacuation routes, insurance review, and a well-stocked emergency kit.

Hazard Breakdown

Earthquake risk is Henderson County's dominant natural hazard, ranked at the 85th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 84th percentile nationally. Additional tracked hazards include tornado (81th percentile), hurricane (70th percentile), wildfire (45th percentile).

Preparedness Context

Earthquake exposure at the 85th percentile nationally puts Henderson County in a zone where utilities — gas, water, electrical — are the most common post-quake hazard. Knowing how to shut off the main gas valve is an important household skill to develop before an event occurs. Alongside earthquake exposure, Henderson County's flood risk at the 84th percentile nationally reinforces the value of maintaining a household emergency supply cache usable for multiple hazard scenarios. Henderson County households benefit from keeping shoes and a flashlight near the bed — post-earthquake navigation through debris in the dark is a common cause of secondary injury. This low-cost step has outsized protective value.

Regional Context

Henderson County is 17.1 composite risk points above the North Carolina average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.

Is your household prepared for Henderson County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Henderson County, NC?
Henderson County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 84th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Henderson County?
Henderson County is evaluated for five major natural hazard types: earthquake (85th percentile), flooding (84th percentile), tornado (81th percentile), hurricane (70th percentile), wildfire (45th percentile). The highest-risk hazard is earthquake at the 85th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Henderson County risk compare to the North Carolina average?
Henderson County's composite risk percentile is 84th, compared to the North Carolina state average of 67th percentile. The state's overall risk rating is Relatively Low. This means Henderson County faces higher natural disaster risk than the typical county in North Carolina.
Is Henderson County at risk for earthquake?
Yes, Henderson County's earthquake risk is at the 85th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Henderson County is at the 84th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Henderson County higher risk than average?
Henderson County's composite risk score of 84th percentile is above the North Carolina state average of 67th percentile. This elevated risk is driven by earthquake exposure (85th percentile), along with flooding and tornado and hurricane risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.