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
Niedrig94
Moderat5
Erhöht0
Hoch0
Dominant hazards
The hazards most often rated elevated or higher across Iowa's counties:
- Dürre — 45 counties
- Starker Wind — 14 counties
- Winterwetter — 9 counties
- Hagel — 9 counties
Highest-risk counties
| County | FEMA composite | Score |
|---|---|---|
| Polk County | Relativ moderat | 92 |
| Johnson County | Relativ moderat | 87 |
| Linn County | Relativ moderat | 87 |
| Scott County | Relativ moderat | 85 |
| Woodbury County | Relativ moderat | 83 |
| Pottawattamie County | Relativ niedrig | 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.
FEMA National Risk Index · as of 2026-07-10