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

低94

中等5

偏高0

高0

Dominant hazards

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

干旱 — 45 counties
强风 — 14 counties
冬季恶劣天气 — 9 counties
冰雹 — 9 counties

Highest-risk counties

County	FEMA composite	Score
Polk County	相对中等	92
Johnson County	相对中等	87
Linn County	相对中等	87
Scott County	相对中等	85
Woodbury County	相对中等	83
Pottawattamie County	相对较低	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