County Hazards

States › New Hampshire › Merrimack County › ZIP 03303

ZIP code 03303, Merrimack County, New Hampshire

National Flood Insurance Program claims and payouts recorded for this ZIP code, with county context.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. NFIP claims as of 8 Sep 2026.

ZIP code 03303, in Merrimack County, New Hampshire, has 15 National Flood Insurance Program claims in the OpenFEMA record since 1978, 12 of them paid for a total of $103K.

That is 5% of the 299 claims recorded across Merrimack County. The average paid claim in the ZIP is $9K, lower than the county average of $27K and the New Hampshire average of $20K.

FEMA counts 2 repetitive-loss properties and 0 severe repetitive-loss properties in the ZIP (properties with two or more paid flood claims); their locations are not published.

At county level FEMA counts 333 residential flood policies in force, covering 0.8% of residential structures.

15NFIP claims since 1978
12paid claims
$103Ktotal paid
$9Kaverage paid claim

Compared with the county and state

MeasureZIP 03303MerrimackNew HampshireUS
Claims since 1978152994,4232,680,429
Share of claims paid80%78%75%78%
Average paid claim$9K$27K$20K$43K
Share of county claims5.0%100%——
Repetitive-loss properties238393—

Claims by year of loss

197820022026
NFIP claims in ZIP 03303 by year of loss, 1978 to 2026.
DecadeClaimsPaid
1970s0$0
1980s3$5,657
1990s1$26,100
2000s10$66,156
2010s1$4,764
2020s0$0
Year of lossClaimsPaid claimsAmount paidAverage paid
201111$4,764$4,764
200711$2,285$2,285
200665$37,049$7,410
200522$26,822$13,411
200310$0—
199211$26,100$26,100
198711$3,787$3,787
198410$0—
198111$1,870$1,870

Claims are counted by year of loss as recorded in OpenFEMA's redacted NFIP claims file; amounts combine building, contents and increased-cost-of-compliance payments. ZIP codes in the file are the policyholder's reported ZIP.

County context: Merrimack County

Merrimack County has 774 weather events in the NCEI record since 1950 (29 in the last 12 months), 29 federal disaster declarations, and an overall National Risk Index rating of "Relatively Low". Flood-type events recorded in the county: 111; hurricane-strength tracks within 50 miles: 2.

Hail: 101 · Tornado: 7 · Flood: 111 · Wind: 295 · Winter: 187 — full county page.

Questions and answers

How many flood insurance claims have been filed in ZIP 03303?

15 claims since 1978 in the OpenFEMA NFIP claims file, 12 of them with a payment.

How much has the NFIP paid out in ZIP 03303?

$103K across 12 paid claims (building, contents and increased-cost-of-compliance payments combined), about $9K per paid claim.

Which year had the most flood claims in 03303?

2006, with 6 claims and $37K paid.

What county is ZIP 03303 in?

Most claims in this ZIP carry the county code for Merrimack County, New Hampshire; ZIP codes can cross county lines. The county page carries the storm record, declarations and risk index for the area.

Provenance

OpenFEMA NfipClaims v3 (as of 8 Sep 2026) and NfipMultipleLossProperties v1 (2 Aug 2026), aggregated by ZIP code and year of loss on this site; no property-level record is shown. County storm figures from NOAA NCEI through 30 Jun 2026. Built 30 Sep 2026. See the guide to redacted NFIP claims and the methodology.