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Lewis County flood insurance

Published NFIP policy and loss records, alongside a way to check the map.

Average annual premium and federal policy fee per policy unit

$1,735

As of 2026-08-31. A portfolio average, not a quote for a home.

Policies in force, including condo units
60
Cumulative recorded losses
136
Net dollars paid
$2,199,585

Cumulative losses in the HUDEX report through August 31, 2026. Loss counts include claims closed without payment. No annual series or first loss year is stated in this report.

Find a flood zone in Lewis County.

U.S. addresses only. Include a ZIP for a more precise match.

What these records tell you

Lewis County’s 60 policy units describe the published NFIP book of business. The average combines different buildings, limits and deductibles. Private flood insurance is outside this dataset.

Historic net payments measure reported insured losses; they do not measure all economic damage or a home’s probability of flooding. The separate OpenFEMA release below provides a year-of-loss breakdown.

Nearby county records

These counties are closest by Census internal point; this list does not assert shared borders.

All Missouri counties

Largest recorded loss years

Published net claim payments from 1979 through 2019, grouped by year of loss. Dollar amounts are nominal. The 2026-09-08 OpenFEMA claims release is a separate population from the policy workbook above.

2008$2,375,6981993$359,2782019$345,0532011$188,9432001$73,388
All published years and net payments
Lewis County claims history
Year of lossNet payments
1979$7,650
1985$0
1986$13,428
1991$1,770
1993$359,278
1996$326
1998$0
2001$73,388
2002$18,183
2008$2,375,698
2010$2,298
2011$188,943
2013$63,852
2014$5,897
2015$54,369
2019$345,053

143 published claim records in this county series. Records without payment are included in counts. Missing county records are retained in national controls and are not allocated to counties. OpenFEMA NFIP redacted claims V3.

Data and methodology

Complete official HUDEX report, summed across its community rows within each geocoded county FIPS. Policy Count includes condominium units under master policies. Average premium is Total Premium + Federal Policy Fee divided by Policy Count; this is an aggregate per policy unit, not a property quote. Loss counts include losses closed without payment. Total Net Dollars Paid is cumulative in this report, including the source's adjustments. The report does not specify the first loss year or split losses by year, so a starting year and annual breakdown are not inferred. Unassigned county records are retained in state totals separately. No record sampling.

Official NFIP policy and loss geography workbook

Read the full methodology and coverage limits