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Natural hazards · Henniker

Henniker, NH natural hazards

Most of the natural-hazard damage FEMA expects in Henniker comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 1 claim here since 1987. 9 federal disasters brought FEMA money into town.

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

How exposed is Henniker?

57
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Henniker to be higher than in 57% of U.S. communities, mostly from inland flooding.

Inland flooding66%Hurricanes10%Tornadoes6%Everything else18%
By hazard

What Henniker faces

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

Inland flooding

66% of expected damage
Above average · higher than 74% of U.S. places
Recorded about 3 times a year in the area

Hurricanes

10% of expected damage
Well above average · higher than 83% of U.S. places
Recorded about once every 10 years in the area

Tornadoes

6% of expected damage
Below average · higher than 48% of U.S. places

Lower here

HailIce stormsWinter weatherCold wavesHeat wavesWildfireEarthquakesLandslidesStrong windLightningDrought

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 Henniker flood?

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

1paid claims since 1987
$890paid to owners
0homes flooded more than once
19872026
of homes in flood zones
are insured
of all homes
are insured
No community discount. Henniker isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Merrimack County.
Disasters that hit Henniker

9 federal disasters brought FEMA money here

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

Brought FEMA money into HennikerDeclared for Merrimack County only
2013

Severe Winter Storm and Snowstorm

$31K to the Town of Henniker for repairs
2011

Tropical Storm Irene

$154K to the Town of Henniker for repairs
2008

Severe Winter Storm

$23K to the Town of Henniker for repairs
2007

Severe Storms and Flooding

5 households applied for aid $13K aid approved $111K to the Town of Henniker for repairs
2006

Severe Storms and Flooding

14 households applied for aid $10K aid approved $80K to the Town of Henniker for repairs
2005

Severe Storms and Flooding

2 households applied for aid $28K to the Town of Henniker for repairs
2005

Record And/Or Near Record Snow

$14K to the Town of Henniker for repairs
2003

Snow

$29K to the Town of Henniker for repairs
2001

Snow

$13K to the Town of Henniker for repairs
Merrimack County has had 24 natural disasters declared since 1953, most often severe storms and floods.
Around Henniker

Henniker and the towns around it

Hillsborough: High, mostly inland floodingHopkinton: High, mostly inland floodingWeare: High, mostly inland floodingDeering: High, mostly inland floodingWindsor: High, mostly inland floodingBradford: High, mostly inland floodingAntrim: Moderate, mostly inland floodingWashington: High, mostly inland floodingConcord: Moderate, mostly inland floodingBow: Low, mostly inland floodingWarner: High, mostly inland floodingWebster: High, mostly inland floodingDunbarton: Low, mostly inland floodingFrancestown: High, mostly inland floodingGoffstown: Moderate, mostly inland floodingHenniker: Moderate, mostly inland flooding HennikerHillsboroughHopkintonWeare
Very lowLowModerateHighVery high
Hopkintonmostly inland floodingHigh
Hillsboroughmostly inland floodingHigh
Wearemostly inland floodingHigh
Hennikermostly inland floodingModerate
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. Henniker covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Henniker’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Henniker. 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 Henniker total about $1.6M 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/15 · 2025-01-01
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