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

Gaston County Disaster Risk

Gaston County, North Carolina

FEMA Risk Rating

Relatively Moderate

National Percentile

85th

of 3,144 counties

State Rank

#26

of 100 (1 = highest risk)

Flood Risk

89th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 89% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 48% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 91% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 86% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 70% of US counties

Risk Overview

About Natural Disaster Risk in Gaston County, North Carolina

Gaston County faces elevated disaster exposure

With a composite risk score of 84.86, Gaston County ranks significantly above the North Carolina state average of 66.72 and well above national norms, earning a "Relatively Moderate" risk rating. The county's Piedmont location and exposure to multiple hazard types create a complex disaster landscape that demands serious preparation. Gaston residents live in one of the state's more hazard-prone regions.

Gaston ranks among North Carolina's riskier counties

Gaston County's composite score of 84.86 places it firmly in the upper portion of North Carolina's risk rankings, well above the state average of 66.72. The county faces notably elevated risks from tornadoes (91.09), flooding (88.55), and earthquakes (85.81), making it one of the state's more hazard-prone communities. Few North Carolina counties experience as consistent and severe multi-hazard exposure.

Gaston outpaces some neighbors, trails others

Gaston's score of 84.86 exceeds Franklin County (51.72) and Granville County (59.35), placing it in the higher-risk category for the Piedmont region. However, it ranks below neighboring Forsyth County (91.54), which faces even more acute hazards. This positioning makes Gaston a moderate-to-high-risk county within its peer group.

Tornadoes and flooding pose greatest threats

Gaston County faces its most severe risks from tornadoes (91.09) and flooding (88.55), both near the top of the county's hazard spectrum and reflecting its Piedmont vulnerability. Earthquakes (85.81) also present meaningful exposure due to regional seismic activity, while the county's lower but still notable hurricane risk (70.21) reflects its inland position. Together, these hazards create substantial cumulative risk.

Comprehensive coverage is your best defense

Gaston County's severe tornado (91.09) and flood risks (88.55) make a complete insurance portfolio essential—standard homeowners policies exclude both wind damage from tornadoes and all flood losses. Secure a homeowners policy with robust wind and hail coverage, add separate flood insurance through the National Flood Insurance Program, and consider earthquake coverage given regional seismic exposure. Contact your agent to review and strengthen your protection today.

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

Preparedness Guide

What to Prepare for in Gaston County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    91th percentile
  2. #2
    FloodPrepare
    89th percentile
  3. #3
    EarthquakePrepare
    86th percentile

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

Risk Advisory: Gaston County

Risk Verdict

Natural hazard risk in Gaston County is higher than the majority of U.S. counties, with a national composite rank of 85th. Gaston County's elevated composite score reflects cumulative multi-hazard exposure; households should prepare for the county's two or three primary hazard types.

Hazard Breakdown

Tornado risk is Gaston County's dominant natural hazard, ranked at the 91th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 89th percentile nationally. Additional tracked hazards include earthquake (86th percentile), hurricane (70th percentile), wildfire (48th percentile).

Preparedness Context

Ranked at the 91th percentile nationally for tornado risk, Gaston County is in a zone where storm shelters have the highest per-dollar protective value of any mitigation investment. Gaston County's county shelter map is typically available through the local emergency management office. The secondary flood hazard at the 89th percentile nationally adds seasonal complexity to Gaston County's preparedness calendar, since flood and tornado risk often peak at different points in the year. Gaston County residents can check the county's emergency management website for community shelter locations nearest their address — a step worth completing now, not during a warning.

Regional Context

A composite score 18.1 points above the North Carolina state average puts Gaston County in a higher-risk category than most counties in the state.

Is your household prepared for Gaston 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 Gaston County, NC?
Gaston County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 85th 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 Gaston County?
Gaston County is evaluated for five major natural hazard types: tornado (91th percentile), flooding (89th percentile), earthquake (86th percentile), hurricane (70th percentile), wildfire (48th percentile). The highest-risk hazard is tornado at the 91th 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 Gaston County risk compare to the North Carolina average?
Gaston County's composite risk percentile is 85th, compared to the North Carolina state average of 67th percentile. The state's overall risk rating is Relatively Low. This means Gaston County faces higher natural disaster risk than the typical county in North Carolina.
Is Gaston County at risk for tornado?
Yes, Gaston County's tornado risk is at the 91th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Gaston County is at the 89th 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 Gaston County higher risk than average?
Gaston County's composite risk score of 85th percentile is above the North Carolina state average of 67th percentile. This elevated risk is driven by tornado exposure (91th percentile), along with flooding and earthquake 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.