Nemaha County

Nebraska — Natural Disaster Risk Assessment

Very Low

Composite Risk Score

13.4

National percentile: 13th

Nemaha County faces very low composite natural disaster risk (NRI Risk Index score 13.4, 13th national percentile), driven primarily by drought and landslide exposure. Expected annual loss across all 18 hazard types is $5M.

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

Expected Annual Loss $5M Annualized county-level EAL
Social Vulnerability Medium Population sensitivity
Community Resilience High Capacity to recover
Population 7K Latest estimate

Top Hazards

Drought
Medium $703K/yr
Landslide
Low $6K/yr
Wildfire
Low $124K/yr

All 18 Hazard Risks

Drought Medium 11.48 / yr $703K
Landslide Low 0.09 / yr $6K
Wildfire Low 0.00 / yr $124K
Hail Low 7.17 / yr $335K
Heat Wave Low 8.37 / yr $391K
Tornado Low 0.35 / yr $1M
Ice Storm Low 0.94 / yr $46K
Cold Wave Low 3.42 / yr $371K
Strong Wind Low 4.37 / yr $239K
Winter Weather Very Low 12.05 / yr $16K
Lightning Very Low 47.57 / yr $53K
Riverine Flood Very Low 2.21 / yr $2M
Earthquake Very Low 0.00 / yr $12K
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 Nemaha County?

Nemaha County has a composite FEMA National Risk Index score of 13.4 out of 100, placing it in the Very Low category and the 13th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Nemaha County?

The three highest-rated hazards are Drought (Medium, $703K EAL), Landslide (Low, $6K EAL), Wildfire (Low, $124K EAL). These account for most of the county's expected annual losses.

How does Nemaha County compare to other Nebraska counties?

Nemaha County ranks #62 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. Nemaha County's $5M EAL is a statistical average, not a guarantee for any specific year or address.