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Natural hazards · Allen

Allen, NY natural hazards

Most of the natural-hazard damage FEMA expects in Allen comes from inland flooding, and overall the risk is very high for a U.S. community. Flood insurance has paid 1 claim here since 2015. 4 federal disasters brought FEMA money into town.

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

How exposed is Allen?

85
Very high
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Allen to be higher than in 85% of U.S. communities, mostly from inland flooding.

Inland flooding89%Everything else11%
By hazard

What Allen faces

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

Inland flooding

89% of expected damage
Well above average · higher than 96% of U.S. places
Recorded about 2 times a year in the area

Lower here

HurricanesTornadoesHailIce 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 Allen flood?

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

1paid claims since 2015
$15Kpaid to owners
0homes flooded more than once
20152026
of all homes
are insured
No community discount. Allen isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Allegany County.
Disasters that hit Allen

4 federal disasters brought FEMA money here

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

Brought FEMA money into AllenDeclared for Allegany County only
2014

Severe Storms and Flooding

$164K to the Town of Allen for repairs
2011

Severe Storms, Flooding, Tornadoes, and Straight-Line Winds

$61K to the Town of Allen for repairs
2004

Severe Storms and Flooding

$49K to the Town of Allen for repairs
2003

Severe Storms, Flooding, and Tornadoes

$40K to the Town of Allen for repairs
Allegany County has had 20 natural disasters declared since 1953, most often floods and severe storms.
Around Allen

Allen and the towns around it

Birdsall: High, mostly inland floodingGranger: Very high, mostly inland floodingCaneadea: Very high, mostly inland floodingAngelica: Very high, mostly inland floodingGrove: High, mostly inland floodingWest Almond: High, mostly inland floodingBurns: High, mostly inland floodingAlmond: High, mostly inland floodingHume: High, mostly inland floodingPortage: High, mostly inland floodingRushford: Moderate, mostly inland floodingBelfast: Very high, mostly inland floodingAmity: Very high, mostly inland floodingAllen: Very high, mostly inland flooding AllenBirdsallGrangerCaneadeaAngelica
Very lowLowModerateHighVery high
Allenmostly inland floodingVery high
Grangermostly inland floodingVery high
Angelicamostly inland floodingVery high
Caneadeamostly inland floodingVery high
Birdsallmostly inland floodingHigh
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. Allen covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Allen’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Allen. 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 Allen total about $1.5M 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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