Houston County

Georgia — Natural Disaster Risk Assessment

Low

Composite Risk Score

70.5

National percentile: 70th

Houston County faces low composite natural disaster risk (NRI Risk Index score 70.5, 70th national percentile), driven primarily by heat wave and lightning exposure. Expected annual loss across all 18 hazard types is $33M.

Source: FEMA National Risk Index v1.20 · Updated December 2025

Expected Annual Loss $33M Annualized county-level EAL
Social Vulnerability Low Population sensitivity
Community Resilience High Capacity to recover
Population 163K Latest estimate

Top Hazards

Heat Wave
Medium $4M/yr
Lightning
High $1M/yr
Hurricane
Low $2M/yr

All 18 Hazard Risks

Heat Wave Medium 7.26 / yr $4M
Lightning High 64.37 / yr $1M
Hurricane Low 0.11 / yr $2M
Tornado Medium 0.23 / yr $4M
Earthquake Low 0.00 / yr $2M
Riverine Flood Low 0.61 / yr $16M
Hail Low 2.35 / yr $648K
Wildfire Low 0.00 / yr $174K
Drought Medium 39.93 / yr $509K
Strong Wind Medium 1.50 / yr $1M
Cold Wave Low 0.26 / yr $892K
Ice Storm Low 0.36 / yr $69K
Landslide Very Low 0.09 / yr $635
Winter Weather Very Low 0.53 / yr $18K
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 Houston County?

Houston County has a composite FEMA National Risk Index score of 70.5 out of 100, placing it in the Low category and the 70th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Houston County?

The three highest-rated hazards are Heat Wave (Medium, $4M EAL), Lightning (High, $1M EAL), Hurricane (Low, $2M EAL). These account for most of the county's expected annual losses.

How does Houston County compare to other Georgia counties?

Houston County ranks #26 of 159 Georgia counties for overall natural disaster risk, with a 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. Houston County's $33M EAL is a statistical average, not a guarantee for any specific year or address.