Shelby County Disaster Risk
Shelby County, Iowa
FEMA Risk Rating
Very Low
National Percentile
23th
of 3,144 counties
State Rank
#80
of 99 (1 = highest risk)
Flood Risk
19th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Very Low
Higher than 19% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 21% of US counties
Tornado
Tornado and severe thunderstorm risk
Relatively Low
Higher than 63% of US counties
Earthquake
Seismic activity and ground shaking risk
Very Low
Higher than 8% of US counties
Hurricane
Tropical cyclone and hurricane risk
Very Low
Higher than 0% of US counties
Risk Overview
About Natural Disaster Risk in Shelby County, Iowa
Shelby County ranks among safest in nation
With a composite risk score of 22.77 and a Very Low rating, Shelby County falls well below the national average for natural disaster risk. This places it in the safest tier of U.S. counties.
Shelby is Iowa's second-safest county
Shelby County's 22.77 score ranks it as one of Iowa's lowest-risk areas, significantly below the state average of 39.68. Only the safest handful of Iowa counties rival its protection level.
Shelby outperforms nearby counties
Shelby County's risk of 22.77 beats neighboring Sac County (27.29), Tama County (45.32), and Taylor County (38.49). It emerges as the safest county in its immediate region.
Tornadoes are the main concern
Tornado risk at 63.23 represents Shelby County's primary hazard, though it remains moderate compared to state highs. Flood risk (19.47) and wildfire risk (21.09) pose minimal threats.
Standard coverage handles most scenarios
Shelby County's low overall risk means a standard homeowner's policy with tornado and wind coverage typically provides adequate protection. Still, maintain a family emergency plan and monitor spring storm forecasts carefully.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Shelby County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Shelby County
Risk Verdict
Natural disaster exposure in Shelby County is lower than roughly three-quarters of U.S. counties, with a composite score at the 23th percentile. A 23th percentile score positions Shelby County among the nation's lower-risk counties, a genuinely favorable outcome — one that simple, low-cost preparedness habits can reinforce further.
Hazard Breakdown
Tornado risk is Shelby County's dominant natural hazard, ranked at the 63th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 21th percentile nationally. Additional tracked hazards include flood (19th percentile), earthquake (8th percentile), hurricane (0th percentile).
Preparedness Context
Ranked at the 63th percentile nationally for tornado risk, Shelby County is in a zone where storm shelters have the highest per-dollar protective value of any mitigation investment. Shelby County's county shelter map is typically available through the local emergency management office. Alongside tornado exposure, wildfire at the 21th percentile nationally means Shelby County households face multi-hazard severe-weather seasons that benefit from a single integrated emergency plan covering both threats. Shelby 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
Shelby County is 16.9 composite risk points below the Iowa state mean, meaning most other Iowa counties face higher natural hazard exposure.
Is your household prepared for Shelby County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Shelby County, IA?
What types of natural hazards affect Shelby County?
How does Shelby County risk compare to the Iowa average?
Is Shelby County at risk for tornado?
How is natural disaster risk measured?
Is Shelby County a safe place to live?
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.