Marshalltown, IA natural hazards
Most of the natural-hazard damage FEMA expects in Marshalltown comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 12 claims here since 1979. 7 federal disasters brought FEMA money into town.
FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarationsHow exposed is Marshalltown?
FEMA expects yearly storm and flood damage to homes and buildings in Marshalltown to be higher than in 36% of U.S. communities, mostly from inland flooding and tornadoes.
What Marshalltown faces
Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.
Inland flooding
Tornadoes
Strong wind
Lower here
Not a risk here
Does Marshalltown flood?
Every paid claim on a federal flood insurance policy in Marshalltown, from FEMA’s records.
Biggest named events
- Midwest Flooding: 2 claims, $12K
- Storm: 1 claim, $14K
Homes that flooded again and again
■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times
are insured
are insured
What’s been done with FEMA grants
7 federal disasters brought FEMA money here
Disasters the President declared that paid out in Marshalltown itself: aid to households, or repair grants to the City of Marshalltown.
Severe Storms
Severe Storm and Tornadoes
Severe Storms, Tornadoes, and Flooding
Severe Storms, Straight-Line Winds, and Flooding
Severe Storms, Tornadoes, and Flooding
Severe Winter Storms
Severe Storms, Tornadoes, and Flooding
How to read this page
FEMA’s expected losses across Marshalltown total about $6.9M 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.