STATE RISK ROLL-UP

Missouri

Across 115 counties, FEMA rates 3 elevated or higher for overall natural-hazard risk. Here's what drives it — and where it concentrates.

How the counties rate

Dominant hazards

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

Highest-risk counties

CountyFEMA compositeScore
St. Louis CountyRelatively High99
St. Louis CountyRelatively High99
Jackson CountyRelatively High97
St. Charles CountyRelatively Moderate93
Jefferson CountyRelatively Moderate91
Clay CountyRelatively Moderate90
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 2026-07-08