STATE RISK ROLL-UP

Iowa

Across 99 counties, FEMA rates 0 elevated or higher for overall natural-hazard risk. Here's what drives it — and where it concentrates.

How the counties rate

Bajo94

Moderado5

Elevado0

Alto0

Dominant hazards

The hazards most often rated elevated or higher across Iowa's counties:

Sequía — 45 counties
Vientos fuertes — 14 counties
Clima invernal — 9 counties
Granizo — 9 counties

Highest-risk counties

County	FEMA composite	Score
Polk County	Relativamente moderado	92
Johnson County	Relativamente moderado	87
Linn County	Relativamente moderado	87
Scott County	Relativamente moderado	85
Woodbury County	Relativamente moderado	83
Pottawattamie County	Relativamente bajo	80

State figures are a roll-up of FEMA National Risk Index county data (counts and rankings), not an official FEMA state rating. Risk is an estimate from a public model, not a guarantee — verify your specific insurance needs with a licensed professional. See the methodology.

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FEMA National Risk Index · as of 2026-07-10