riskbycounty
FEMA National Risk Index

Bryan County Disaster Risk

Bryan County, Oklahoma

FEMA Risk Rating

Relatively Low

National Percentile

75th

of 3,144 counties

State Rank

#26

of 77 (1 = highest risk)

Flood Risk

54th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 54% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 88% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 95% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 64% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 46% of US counties

Risk Advisory: Bryan County

Risk Verdict

Bryan County shows a relatively low overall disaster risk profile, scoring in the 75th percentile nationally. The county faces moderate hazard exposure relative to other U.S. counties. Standard emergency preparedness is recommended, with attention to the specific hazards that dominate locally.

Hazard Breakdown

Tornado risk is the dominant hazard for Bryan County, scoring in the 95th percentile nationally. It is followed by wildfire risk at the 88th percentile. Additional hazards include earthquake (64th), flood (54th), hurricane (46th).

Preparedness Context

With tornado risk as the top concern, Bryan County residents should identify a safe room or interior space on the lowest floor, have a NOAA weather radio, and practice tornado drills with your household. Secondary risks such as wildfire also warrant attention in household and community preparedness planning. FEMA recommends all households maintain at least 72 hours of food, water, and medication supplies regardless of specific hazard exposure.

Regional Context

Bryan County is significantly riskier than the average county in Oklahoma. Its composite risk score is 19.1 points higher than the state average, meaning residents face above-average exposure to natural hazards compared to their neighbors.

Is your home insured against Bryan County's risks?

Compare home and flood insurance quotes in minutes.

Get Quotes →

Sponsored

High flood risk area

Learn about NFIP flood insurance coverage for your property.

Learn More →

Frequently Asked Questions

What is the natural disaster risk in Bryan County, OK?
Bryan County has a FEMA National Risk Index rating of Relatively Low, placing it in the 75th 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 Bryan County?
Bryan County is evaluated for five major natural hazard types: tornado (95th percentile), wildfire (88th percentile), earthquake (64th percentile), flooding (54th percentile), hurricane (46th percentile). The highest-risk hazard is tornado at the 95th 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 Bryan County risk compare to the Oklahoma average?
Bryan County's composite risk percentile is 75th, compared to the Oklahoma state average of 56th percentile. The state's overall risk rating is Relatively Low. This means Bryan County faces higher natural disaster risk than the typical county in Oklahoma.
Is Bryan County at risk for tornado?
Yes, Bryan County's tornado risk is at the 95th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Bryan County is at the 54th 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 Bryan County higher risk than average?
Bryan County's composite risk score of 75th percentile is above the Oklahoma state average of 56th percentile. This elevated risk is driven by tornado exposure (95th percentile), along with wildfire and earthquake and flooding risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.

Counties with Similar Risk

Okmulgee County

Oklahoma

+0.1

Relatively Low

75th percentile

Logan County

Oklahoma

+0.1

Relatively Low

75th percentile

Carter County

Oklahoma

+0.3

Relatively Low

75th percentile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & 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.

Explore more data for Bryan County

Property TaxCost of LivingCrime RateIncomeHealthSchoolsWater QualityWeatherCounty Score