Johnson County
Nebraska — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 5th
Johnson County faces very low composite natural disaster risk (NRI Risk Index score 4.6, 5th national percentile), driven primarily by wildfire and hail exposure. Expected annual loss across all 18 hazard types is $4M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Wildfire | Low | 0.00 / yr | $469K |
| Hail | Low | 7.61 / yr | $379K |
| Drought | Low | 13.40 / yr | $158K |
| Ice Storm | Low | 0.89 / yr | $82K |
| Winter Weather | Low | 12.47 / yr | $50K |
| Heat Wave | Very Low | 8.11 / yr | $193K |
| Landslide | Very Low | 0.08 / yr | $426 |
| Tornado | Low | 0.33 / yr | $675K |
| Strong Wind | Very Low | 4.35 / yr | $204K |
| Cold Wave | Very Low | 3.42 / yr | $230K |
| Lightning | Very Low | 47.51 / yr | $58K |
| Riverine Flood | Very Low | 0.36 / yr | $2M |
| Earthquake | Very Low | 0.00 / yr | $6K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Hurricane | 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 Johnson County?
Johnson County has a composite FEMA National Risk Index score of 4.6 out of 100, placing it in the Very Low category and the 5th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Johnson County?
The three highest-rated hazards are Wildfire (Low, $469K EAL), Hail (Low, $379K EAL), Drought (Low, $158K EAL). These account for most of the county's expected annual losses.
How does Johnson County compare to other Nebraska counties?
Johnson County ranks #72 of 93 Nebraska 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. Johnson County's $4M EAL is a statistical average, not a guarantee for any specific year or address.