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

Grant County Disaster Risk

Grant County, Oklahoma

FEMA Risk Rating

Very Low

National Percentile

28th

of 3,144 counties

State Rank

#67

of 77 (1 = highest risk)

Flood Risk

14th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 14% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 44% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 36% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 23% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 16% of US counties

Risk Overview

About Natural Disaster Risk in Grant County, Oklahoma

Grant ranks among safest U.S. counties

Grant County's composite risk score of 27.77 places it in the very low category, substantially safer than the national average. Only wildfire risk (44.34) approaches moderate levels; all other hazards present minimal threat compared to typical American counties.

One of Oklahoma's safest counties

Grant's 27.77 score sits far below the Oklahoma state average of 55.47, making it one of the state's lower-risk jurisdictions. This favorable profile reflects the county's distance from major tornado corridors and limited flood exposure.

Grant stands out as safest neighbor

Grant County's 27.77 score is notably safer than surrounding counties like Garvin (61.70) to the southeast and Alva County, positioning it as the region's lowest-risk option. Even Harmon County to the southwest (10.21) only marginally undercuts Grant's already-low profile.

Wildfire the only notable concern

Grant's wildfire risk of 44.34 represents the sole moderate hazard; all other risks—flood (13.80), tornado (36.48), earthquake (23.47)—remain well below state averages. Overall exposure is minimal, allowing residents to focus preparedness efforts narrowly.

Standard coverage suffices here

Grant County's low-risk profile means standard homeowners insurance is typically adequate, though wildfire mitigation remains worthwhile in an increasingly fire-prone environment. Maintain defensible space, clear gutters, and keep home insurance current as basic prudent steps.

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

Preparedness Guide

What to Prepare for in Grant County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    44th percentile
  2. #2
    TornadoPrepare
    36th percentile
  3. #3
    EarthquakePrepare
    23th percentile

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

Risk Advisory: Grant County

Risk Verdict

Natural disaster exposure in Grant County is lower than roughly three-quarters of U.S. counties, with a composite score at the 28th percentile. Even at the 28th percentile, Grant County's composite score reflects real hazard exposure categories — knowing which ones apply locally enables targeted, efficient household preparedness.

Hazard Breakdown

Wildfire risk is Grant County's dominant natural hazard, ranked at the 44th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 36th percentile nationally. Additional tracked hazards include earthquake (23th percentile), hurricane (16th percentile), flood (14th percentile).

Preparedness Context

At the 44th percentile nationally for wildfire, Grant County residents should verify whether their insurance policy includes replacement cost coverage for structures and whether the insurer still writes new policies in this fire-risk zone. Alongside wildfire, tornado at the 36th percentile nationally means a multi-season preparedness mindset — fire season and flood or storm season often require different household plans. Local USFS or Cal Fire (where applicable) fire risk maps and seasonal Red Flag Warning alerts from the National Weather Service are two free resources Grant County residents can use to stay ahead of rapidly changing wildfire conditions.

Regional Context

Grant County is 27.7 composite risk points below the Oklahoma state mean, meaning most other Oklahoma counties face higher natural hazard exposure.

Is your household prepared for Grant 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 Grant County, OK?
Grant County has a FEMA National Risk Index rating of Very Low, placing it in the 28th 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 Grant County?
Grant County is evaluated for five major natural hazard types: wildfire (44th percentile), tornado (36th percentile), earthquake (23th percentile), hurricane (16th percentile), flooding (14th percentile). The highest-risk hazard is wildfire at the 44th 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 Grant County risk compare to the Oklahoma average?
Grant County's composite risk percentile is 28th, compared to the Oklahoma state average of 56th percentile. The state's overall risk rating is Relatively Low. This means Grant County faces lower natural disaster risk than the typical county in Oklahoma.
Is Grant County at risk for wildfire?
Yes, Grant County's wildfire risk is at the 44th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Grant County is at the 14th 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.
Is Grant County a safe place to live?
Grant County's composite risk score of 28th percentile is below the Oklahoma state average of 56th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 44th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
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.