Sullivan, IL natural hazards
Most of the natural-hazard damage FEMA expects in Sullivan comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 2 claims here since 1979. 4 federal disasters brought FEMA money into town.
FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarationsHow exposed is Sullivan?
FEMA expects yearly storm and flood damage to homes and buildings in Sullivan to be higher than in 70% of U.S. communities, mostly from inland flooding and cold waves.
What Sullivan faces
Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.
Inland flooding
Cold waves
Earthquakes
Tornadoes
Strong wind
Lower here
Not a risk here
Does Sullivan flood?
Every paid claim on a federal flood insurance policy in Sullivan, from FEMA’s records.
are insured
are insured
4 federal disasters brought FEMA money here
Disasters the President declared that paid out in Sullivan itself: aid to households, or repair grants to the City of Sullivan.
Severe Storms and Flooding
Severe Storms and Flooding
Severe Storms, Tornadoes and Flooding
Il-Winter Storm 1/1/99
How to read this page
FEMA’s expected losses across Sullivan total about $2.4M a year, counting buildings, people and crops.
Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.