Ione, CA natural hazards
Most of the natural-hazard damage FEMA expects in Ione comes from drought, and overall the risk is very high for a U.S. community. Flood insurance has paid 1 claim here since 1997. 2 federal disasters brought FEMA money into town.
FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarationsHow exposed is Ione?
FEMA expects yearly storm and flood damage to homes and buildings in Ione to be higher than in 86% of U.S. communities, mostly from drought and inland flooding.
What Ione faces
Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.
Drought
Inland flooding
Wildfire
Lower here
Not a risk here
Does Ione flood?
Every paid claim on a federal flood insurance policy in Ione, from FEMA’s records.
are insured
are insured
2 federal disasters brought FEMA money here
Disasters the President declared that paid out in Ione itself: aid to households, or repair grants to the City of Ione.
Severe Winter Storms, Flooding, Landslides, and Mudslides
Severe Winter Storms, Flooding, and Mudslides
How to read this page
FEMA’s expected losses across Ione total about $8.7M 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.