Flood Risk in St. Charles, MO

St. Charles, MO has a Flood Risk Score of 17/100 (Grade A), ranking #345 of 3,271 counties nationwide. The risk level is Low. There have been 72 NFIP flood insurance claims totaling $2,660,860 in payouts, with 10 federal disaster declarations on record.

Key Data

17
Risk Score
A
Grade
72
NFIP Claims
$2,660,860
Total Payouts
10
Disasters
72
Active Policies

Score Breakdown

FactorScoreWeight
Claims Density240%
Disaster Frequency2125%
Claim Severity120%
Year-over-Year Trend7015%
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Data from FEMA OpenFEMA (NFIP claims and disaster declarations). Last updated 2026-04-12.