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Natural hazards · Hammonton

Hammonton, NJ natural hazards

Most of the natural-hazard damage FEMA expects in Hammonton comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 8 claims here since 1978. 10 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Hammonton?

44
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Hammonton to be higher than in 44% of U.S. communities, mostly from inland flooding and hurricanes.

Inland flooding31%Hurricanes25%Strong wind18%Earthquakes6%Drought6%Everything else13%
By hazard

What Hammonton faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

31% of expected damage
Well below average · higher than 16% of U.S. places
Recorded about 2 times a year in the area

Hurricanes

25% of expected damage
Well above average · higher than 86% of U.S. places
Recorded about once every 6 years in the area

Strong wind

18% of expected damage
Well above average · among the top 1% of U.S. places
Recorded about 5 times a year in the area

Earthquakes

6% of expected damage
Above average · higher than 68% of U.S. places

Drought

6% of expected damage
Recorded about 9 times a year in the area

Lower here

TornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireLandslidesLightning

Not a risk here

Coastal floodingAvalanchesTsunamisVolcanic activity
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Hammonton flood?

Every paid claim on a federal flood insurance policy in Hammonton, from FEMA’s records.

8paid claims since 1978
$19Kpaid to owners
0homes flooded more than once
19782026

Biggest named events

  • Hurricane Irene: 4 claims, $8K
  • March 2010 Nor'easter: 1 claim, $4K
of homes in flood zones
are insured
of all homes
are insured
No community discount. Hammonton isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Atlantic County.
Disasters that hit Hammonton

10 federal disasters brought FEMA money here

Disasters the President declared that paid out in Hammonton itself: aid to households, or repair grants to the Town of Hammonton.

Brought FEMA money into HammontonDeclared for Atlantic County only
2020

Tropical Storm Isaias

$159K to the Town of Hammonton for repairs
2016

Severe Winter Storm and Snowstorm

$12K to the Town of Hammonton for repairs
2015

Severe Storm

$283K to the Town of Hammonton for repairs
2012

Hurricane Sandy

153 households applied for aid $612K aid approved $97K to the Town of Hammonton for repairs
2012

Severe Storms and Straight-Line Winds

$4K to the Town of Hammonton for repairs
2011

Hurricane Irene

199 households applied for aid $291K aid approved $11K to the Town of Hammonton for repairs
2010

Severe Winter Storm and Snowstorm

$33K to the Town of Hammonton for repairs
2010

Severe Storms and Flooding

239 households applied for aid $324K aid approved $15K to the Town of Hammonton for repairs
2009

Snowstorm

$24K to the Town of Hammonton for repairs
2007

Severe Storms and Inland and Coastal Flooding

1 household applied for aid
Atlantic County has had 29 natural disasters declared since 1953, most often severe storms and hurricanes.
Around Hammonton

Hammonton and the towns around it

Washington: Moderate, mostly inland floodingFolsom: High, mostly inland floodingMullica: High, mostly inland floodingShamong: Low, mostly inland floodingBass River: Moderate, mostly inland floodingEgg Harbor City: Moderate, mostly inland floodingGalloway: Moderate, mostly inland floodingWoodland: Moderate, mostly inland floodingPort Republic: High, mostly inland floodingTabernacle: Low, mostly inland floodingBuena Vista: Moderate, mostly inland floodingHamilton: Moderate, mostly inland floodingWaterford: Very low, mostly inland floodingMedford: Moderate, mostly inland floodingHammonton: Moderate, mostly inland flooding HammontonWashingtonFolsomMullicaShamong
Very lowLowModerateHighVery high
Folsommostly inland floodingHigh
Mullicamostly inland floodingHigh
Washingtonmostly inland floodingModerate
Hammontonmostly inland floodingModerate
Shamongmostly inland floodingLow
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Hammonton covers 4 census tracts, combined by population.
Money that reached townFlood claims are matched to Hammonton’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Hammonton. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Hammonton total about $6.1M a year, counting buildings, people and crops.

Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01
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