Adams County

Illinois — Natural Disaster Risk Assessment

Low

Composite Risk Score

64.2

National percentile: 64th

Adams County faces low composite natural disaster risk (NRI Risk Index score 64.2, 64th national percentile), driven primarily by heat wave and strong wind exposure. Expected annual loss across all 18 hazard types is $26M.

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

Expected Annual Loss $26M Annualized county-level EAL
Social Vulnerability Low Population sensitivity
Community Resilience Very High Capacity to recover
Population 66K Latest estimate

Top Hazards

Heat Wave
Medium $4M/yr
Strong Wind
High $2M/yr
Drought
Medium $1M/yr

All 18 Hazard Risks

Heat Wave Medium 8.42 / yr $4M
Strong Wind High 4.21 / yr $2M
Drought Medium 4.25 / yr $1M
Cold Wave Medium 4.26 / yr $4M
Hail Medium 3.42 / yr $857K
Landslide Low 0.43 / yr $14K
Lightning Medium 47.25 / yr $679K
Earthquake Low 0.00 / yr $645K
Winter Weather Medium 10.26 / yr $107K
Riverine Flood Low 1.29 / yr $10M
Tornado Low 0.56 / yr $2M
Ice Storm Low 1.42 / yr $107K
Hurricane Very Low 0.01 / yr $9K
Wildfire Very Low 0.00 / yr $2K
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 Adams County?

Adams County has a composite FEMA National Risk Index score of 64.2 out of 100, placing it in the Low category and the 64th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Adams County?

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

How does Adams County compare to other Illinois counties?

Adams County ranks #41 of 102 Illinois 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. Adams County's $26M EAL is a statistical average, not a guarantee for any specific year or address.