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Norfolk, MA

Flood Risk Score: 11/100 · Rank #1695 of 3,277 counties

Norfolk County in Massachusetts has 17 FEMA disaster declarations on record covering 1972–2023, most recently Hurricane Lee on Sep 15, 2023 (DR-3599). Its flood risk grade is A (Low risk), ranking #1695 of 3,277 U.S. counties, with 72 NFIP flood insurance claims totaling $862,604 in payouts. Flood risk is relatively low compared to the national average.

11
Risk Score
72
NFIP Claims
$862,604
Total Payouts
17
Disasters
$11,981
Avg Claim
72
Active Policies

FEMA Disaster Declarations in Norfolk County

The 17 most recent federally declared disasters affecting Norfolk County, MA (1972–2023). Total declarations on record: 17.

DeclaredIncident TypeTitleFEMA Disaster #
Sep 15, 2023HurricaneHurricane LeeDR-3599
Oct 28, 2012HurricaneHurricane SandyDR-3350
Sep 3, 2011HurricaneTropical Storm IreneDR-4028
Aug 26, 2011HurricaneHurricane IreneDR-3330
Sep 2, 2010HurricaneHurricane EarlDR-3315
Sep 13, 2005HurricaneHurricane Katrina EvacuationDR-3252
Apr 21, 2004FloodFloodingDR-1512
Jun 23, 1998FloodHeavy Rains and FloodingDR-1224
Oct 25, 1996FloodExtreme Weather Conditons and FloodingDR-1142
Oct 23, 1996FloodExtreme Weather Conditions and FloodingDR-3119
Dec 21, 1992Coastal StormWinter Coastal StormDR-975
Nov 4, 1991Coastal StormCoastal StormDR-920
Aug 26, 1991HurricaneHurricane BobDR-914
Apr 18, 1987FloodSevere Storms & FloodingDR-790
Oct 28, 1985HurricaneHurricane GloriaDR-751
Feb 10, 1978FloodCoastal Storms, Flood, Ice & SnowDR-546
Mar 6, 1972FloodSevere Storms & FloodingDR-325

Score Breakdown

The composite score of 11 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
1
Disaster Frequency
25%
36
Claim Severity
20%
0
Year-over-Year Trend
15%
9

Other Counties in Massachusetts

CountyGradeScoreClaimsDisasters
SuffolkA114716
HampshireA1147
BerkshireA1117
FranklinA1107
BarnstableA129813
EssexA1212116
View All Counties in Massachusetts

Frequently Asked Questions

How many FEMA disaster declarations does Norfolk County, MA have?

Norfolk County, MA has 17 federal disaster declarations on FEMA record (1972–2023). The 5 most recent are: Hurricane Lee (declared Sep 15, 2023, DR-3599); Hurricane Sandy (declared Oct 28, 2012, DR-3350); Tropical Storm Irene (declared Sep 3, 2011, DR-4028); Hurricane Irene (declared Aug 26, 2011, DR-3330); Hurricane Earl (declared Sep 2, 2010, DR-3315). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Norfolk County, MA?

Norfolk County is graded A (composite score 11/100, low risk). It ranks #1695 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).

How many NFIP flood insurance claims have been filed in Norfolk County?

72 NFIP flood insurance claims have been filed in Norfolk County, MA, totaling $862,604 in payouts. The average claim is $11,981. Source: FEMA FimaNfipClaims v2 dataset.

Has Norfolk County, MA had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Norfolk County was Hurricane Lee on Sep 15, 2023 (DR-3599). The county has 17 declared disasters in the OpenFEMA record covering 1972–2023.

The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.

Every number on this page links back to FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.

For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.

Source: FEMA OpenFEMA datasets, 2026.