Carroll County
Ohio — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 20th
Carroll County faces very low composite natural disaster risk (NRI Risk Index score 19.9, 20th national percentile), driven primarily by landslide and lightning exposure. Expected annual loss across all 18 hazard types is $6M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Landslide | Low | 0.68 / yr | $14K |
| Lightning | Medium | 41.71 / yr | $295K |
| Hail | Low | 4.20 / yr | $275K |
| Drought | Low | 2.23 / yr | $89K |
| Riverine Flood | Low | 1.79 / yr | $5M |
| Hurricane | Very Low | 0.01 / yr | $20K |
| Heat Wave | Very Low | 1.95 / yr | $151K |
| Ice Storm | Low | 0.30 / yr | $31K |
| Tornado | Low | 0.17 / yr | $396K |
| Strong Wind | Low | 2.37 / yr | $233K |
| Earthquake | Very Low | 0.00 / yr | $49K |
| Winter Weather | Low | 9.53 / yr | $21K |
| Wildfire | Very Low | 0.00 / yr | $9K |
| Cold Wave | Very Low | 3.00 / yr | $85K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Carroll County?
Carroll County has a composite FEMA National Risk Index score of 19.9 out of 100, placing it in the Very Low category and the 20th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Carroll County?
The three highest-rated hazards are Landslide (Low, $14K EAL), Lightning (Medium, $295K EAL), Hail (Low, $275K EAL). These account for most of the county's expected annual losses.
How does Carroll County compare to other Ohio counties?
Carroll County ranks #83 of 88 Ohio counties for overall natural disaster risk, with a very low rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Carroll County's $6M EAL is a statistical average, not a guarantee for any specific year or address.