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

Alachua County Disaster Risk

Alachua County, Florida

FEMA Risk Rating

Relatively Moderate

National Percentile

90th

of 3,144 counties

State Rank

#30

of 67 (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 High

Higher than 95% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 90% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 66% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively High

Higher than 97% of US counties

Risk Overview

About Natural Disaster Risk in Alachua County, Florida

Alachua's composite risk sits above average

With a composite risk score of 90.33, Alachua County faces significantly higher natural disaster risk than the U.S. average of around 50. This "Relatively Moderate" rating reflects Florida's exposure to coastal and tropical hazards that most inland states don't encounter.

Moderate risk ranks mid-range for Florida

Alachua's score of 90.33 exceeds Florida's state average of 75.74, placing it in the upper half of the state's 67 counties. The county faces above-average exposure compared to most of its peers, though several coastal counties rank even higher.

Riskier than inland neighbors, safer than coast

Alachua's risk level (90.33) significantly exceeds neighboring Bradford County (36.86), reflecting its exposure to tropical systems. However, it ranks well below the extreme risks of nearby coastal regions like Brevard (98.41) and Broward (99.46) counties.

Hurricanes and wildfires dominate the threat

Hurricane risk scores highest at 96.70, followed closely by wildfire risk at 95.17—both among Florida's most significant hazards. Tornado risk (90.33) rounds out the trio, making severe weather preparedness essential for Alachua residents year-round.

Secure comprehensive coverage for all threats

Alachua residents should prioritize homeowners insurance that covers wind and flood damage, as hurricanes pose extreme risk (96.70). Consider supplemental wildfire coverage if your property is near forested areas, and verify your policy includes tornado-related damage.

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

Preparedness Guide

What to Prepare for in Alachua County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    97th percentile
  2. #2
    WildfirePrepare
    95th percentile
  3. #3
    TornadoPrepare
    90th percentile

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

Risk Advisory: Alachua County

Risk Verdict

FEMA's National Risk Index rates Alachua County at the 90th 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

Hurricane risk is Alachua County's dominant natural hazard, ranked at the 97th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 95th percentile nationally. Additional tracked hazards include tornado (90th percentile), flood (89th percentile), earthquake (66th percentile).

Preparedness Context

Hurricane exposure at the 97th percentile nationally makes Alachua County a county where pre-season preparedness — not storm-day preparation — determines outcomes. Alachua County evacuation decisions under a watch or warning benefit from prior planning, not routes improvised under time pressure. Alachua County's wildfire exposure at the 95th percentile nationally adds a hazard layer that can persist or intensify after hurricane-force winds have passed, particularly in low-lying inland areas. Alachua County residents benefit from registering with the county's special-needs evacuation registry if household members have mobility limitations, require electricity-dependent medical equipment, or cannot self-evacuate — registration in advance of storm season is required.

Regional Context

Alachua County is 14.6 composite risk points above the Florida average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.

Is your household prepared for Alachua 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 Alachua County, FL?
Alachua County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 90th 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 Alachua County?
Alachua County is evaluated for five major natural hazard types: hurricane (97th percentile), wildfire (95th percentile), tornado (90th percentile), flooding (89th percentile), earthquake (66th percentile). The highest-risk hazard is hurricane at the 97th 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 Alachua County risk compare to the Florida average?
Alachua County's composite risk percentile is 90th, compared to the Florida state average of 76th percentile. The state's overall risk rating is Relatively Low. This means Alachua County faces higher natural disaster risk than the typical county in Florida.
Is Alachua County at risk for hurricane?
Yes, Alachua County's hurricane risk is at the 97th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Alachua 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 Alachua County higher risk than average?
Alachua County's composite risk score of 90th percentile is above the Florida state average of 76th percentile. This elevated risk is driven by hurricane exposure (97th percentile), along with wildfire and tornado and flooding and earthquake 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.