Dallas County
Arkansas — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 10th
Dallas County faces very low composite natural disaster risk (NRI Risk Index score 10.1, 10th national percentile), driven primarily by ice storm and earthquake exposure. Expected annual loss across all 18 hazard types is $3M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Ice Storm | Medium | 1.06 / yr | $202K |
| Earthquake | Low | 0.00 / yr | $462K |
| Heat Wave | Low | 19.21 / yr | $259K |
| Hurricane | Very Low | 0.03 / yr | $32K |
| Strong Wind | Low | 3.11 / yr | $251K |
| Lightning | Low | 64.37 / yr | $89K |
| Tornado | Low | 0.43 / yr | $402K |
| Hail | Very Low | 4.42 / yr | $62K |
| Drought | Very Low | 9.80 / yr | $7K |
| Winter Weather | Very Low | 3.58 / yr | $10K |
| Riverine Flood | Very Low | 1.11 / yr | $1M |
| Landslide | Very Low | 0.23 / yr | $50 |
| Wildfire | Very Low | 0.00 / yr | $3K |
| Cold Wave | Very Low | 0.68 / yr | $9K |
| 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 Dallas County?
Dallas County has a composite FEMA National Risk Index score of 10.1 out of 100, placing it in the Very Low category and the 10th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Dallas County?
The three highest-rated hazards are Ice Storm (Medium, $202K EAL), Earthquake (Low, $462K EAL), Heat Wave (Low, $259K EAL). These account for most of the county's expected annual losses.
How does Dallas County compare to other Arkansas counties?
Dallas County ranks #73 of 75 Arkansas 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. Dallas County's $3M EAL is a statistical average, not a guarantee for any specific year or address.