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Hunterdon County, New Jersey Flood Zones

Check an Address in Hunterdon County

Enter any address in Hunterdon County, New Jersey to see its FEMA flood zone

The Flooding Character of Hunterdon County

Flash flooding from heavy rainfall events is a significant concern in Hunterdon County. Over the past 30 years, NOAA Storm Events data shows 72 flash flood events and 50 flood events, resulting in seven fatalities. Recent events include widespread river flooding in December 2023, where rainfall totals of up to 7 inches on saturated soils led to prevalent flooding across river basins.

National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced the highest number of claims, with an average payout of $26,366 and an average water depth of 8.2 feet. Properties in Zone X_SHADED have seen fewer claims but a notable average water depth of 10.5 feet, despite a lower average payout of $11,558. Homeowners in areas designated as Zone A, Zone X_SHADED, and those without a Base Flood Elevation (BFE) should pay particular attention to flood risk.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Hunterdon County

32 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read New Jersey flood stories →

Flood Risk Data for Hunterdon County

Hunterdon County, New Jersey has recorded 125 flood-related events since 1996 according to NOAA's Storm Events Database, including 72 flash floods and 50 river or area floods. The county has received 26 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Hunterdon County Disaster History

FEMA Disaster Declarations (1965–2021)

Disaster Declarations
26
Flood/Coastal Disasters
1
Hurricane Disasters
4
Latest Disaster
Remnants Of Hurricane Ida (2021-09-01)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Hunterdon County

DeclarationTypeDate
Remnants Of Hurricane IdaHurricaneSep 1, 2021
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storm And SnowstormSevere StormJan 22, 2016
Hurricane SandyHurricaneOct 26, 2012
Severe StormSevere StormOct 29, 2011
Remnants Of Tropical Storm LeeSevere StormSep 28, 2011
Hurricane IreneHurricaneAug 27, 2011
Severe Storms And FloodingSevere StormMar 12, 2010
Severe Storms And FloodingSevere StormJun 23, 2006

Recorded Flood Events in Hunterdon County

NOAA Storm Events Database (1996–2025)

Total Flood Events
125
River/Area Floods
50
Flash Floods
72
Hurricanes/Tropical Storms
3
Total Property Damage
$116.3M
Flood Deaths
7
Flood Injuries
7

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Hunterdon County

TypeDateDamage
FloodNov 26, 20230.00K
Flash FloodJun 26, 20230.00K
FloodDec 18, 20230.00K
Flash FloodApr 15, 20230.00K
Flash FloodJul 9, 20230.00K
Flash FloodOct 26, 20210.00K
Flash FloodSep 23, 20210.00K
Flash FloodAug 22, 20210.00K
Flash FloodJul 17, 20210.00K
Flash FloodSep 1, 20215000.00K (6 deaths)

Hunterdon County Flood History

Flood — Nov 26, 2023

A broad area of precipitation resulted in rain totals of 1-3 inches across the area. This resulted in some rises on smaller streams and waterways.

Flash Flood — Jun 26, 2023

Thunderstorms produced locally heavy rain in northern New Jersey from the late afternoon into the nighttime hours of June 26. Rainfall totals were as high as 2 to 5 inches.

Flood — Dec 18, 2023

A strengthening coastal low pressure system brought several rounds of rain to the region Sunday night into Monday (December 17-18th). Total rainfall amounts across the forecast area varied from about 1.50 inches up to 7.00 inches. The heaviest rains fell across southern Delaware up through the coastal plain of New Jersey. This heavy rain fell on already saturated soils. As a result, river flood...

Flash Flood — Apr 15, 2023

Thunderstorms during the afternoon and early evening of April 15 produced locally heavy rain in New Jersey. Rainfall totals were as high as 2.0 to 3.5 inches.

Flash Flood — Jul 9, 2023

Widespread showers and thunderstorms brought heavy rain to northern and central New Jersey on the afternoon and evening of July 9. Rainfall totals were as high as 3 to around 5 inches.

Source: NOAA National Weather Service Storm Events Database.

Hunterdon County NFIP Flood Insurance Claims

Total Claims Filed
1,327
Total Paid Out
$32.6M
Avg Claim
$29,569
Avg Water Depth
20.9 ft

Claims by Flood Zone

A Zones (High Risk)
1,040
X Shaded (500-yr)
60
X Unshaded (Low)
54

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Hunterdon County

FEMA assigns flood zone designations to areas in Hunterdon County, New Jersey:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Hunterdon County

Properties in Hunterdon County, New Jersey that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.