Pinal County Disaster Risk
Pinal County, Arizona
FEMA Risk Rating
Relatively Moderate
National Percentile
94th
of 3,144 counties
State Rank
#5
of 15 (1 = highest risk)
Flood Risk
96th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Relatively High
Higher than 96% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Relatively High
Higher than 98% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 37% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 80% of US counties
Hurricane
Tropical cyclone and hurricane risk
Very Low
Higher than 19% of US counties
Risk Overview
About Natural Disaster Risk in Pinal County, Arizona
Pinal ranks among U.S. highest-risk
Pinal County scores 93.83 on composite risk, landing in the relatively moderate category but well above national baselines. The score reflects significant exposure to multiple hazard types, particularly wildfire and flood threats.
Second-riskiest in Arizona
Pinal ranks second among Arizona's 15 counties with a score of 93.83, trailing only Pima (99.11) and exceeding the state average of 84.45 by 9.4 points. The county faces elevated overall disaster risk across most hazard categories.
Riskier than central Arizona peers
Pinal's 93.83 exceeds Pima's neighboring Santa Cruz County (88.33) and surpasses Yavapai (93.73), though it ranks just below Pima. The county carries some of Arizona's most significant multi-hazard exposure.
Wildfire and flood dominate Pinal
Wildfire risk reaches 98.00 and flood risk 96.37—both among Arizona's highest—while tornado risk climbs to a notable 37.05. Earthquake risk at 79.83 and hurricane risk at 18.82 add additional layers of exposure.
Separate policies for flood and fire
Standard homeowners insurance excludes both wildfire and flood damage; Pinal residents should secure separate policies for both hazards. Given the county's 93.83 risk score and elevated tornado exposure, verify tornado coverage in your home policy as well.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Pinal County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Pinal County
Risk Verdict
FEMA's National Risk Index rates Pinal County at the 94th 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
Wildfire risk is Pinal County's dominant natural hazard, ranked at the 98th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 96th percentile nationally. Additional tracked hazards include earthquake (80th percentile), tornado (37th percentile), hurricane (19th percentile).
Preparedness Context
With wildfire ranked at the 98th percentile nationally, Pinal County is in a zone where air quality can deteriorate rapidly before structures are threatened. An N95 respirator and a HEPA air purifier are practical items for Pinal County households to have on hand before fire season. The county's flood exposure at the 96th percentile nationally complements the wildfire risk — saturating rain after burn scarring often triggers secondary flood and debris flow events. Defensible space, insurance review, and an evacuation plan are the three preparedness pillars for Pinal County households — and the insurance review is the one most often deferred by Pinal County residents and most costly to skip when a fire event actually occurs.
Regional Context
Pinal County is 9.4 composite risk points above the Arizona average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.
Is your household prepared for Pinal County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Pinal County, AZ?
What types of natural hazards affect Pinal County?
How does Pinal County risk compare to the Arizona average?
Is Pinal County at risk for wildfire?
How is natural disaster risk measured?
Why is Pinal County higher risk than average?
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.