Natural hazards · Antrim

Antrim, PA natural hazards

Most of the natural-hazard damage FEMA expects in Antrim comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 6 claims here since 1981.

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

How exposed is Antrim?

21
Low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Antrim to be higher than in 21% of U.S. communities, mostly from inland flooding.

Inland flooding63%Hurricanes13%Drought8%Everything else16%
By hazard

What Antrim faces

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

Inland flooding

63% of expected damage
Below average · higher than 40% of U.S. places
Recorded about 2 times a year in the area

Hurricanes

13% of expected damage
Well above average · higher than 79% of U.S. places
Recorded about once every 14 years in the area

Drought

8% of expected damage
Recorded about 2 times a year in the area

Lower here

TornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireEarthquakesLandslidesStrong windLightning

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 Antrim flood?

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

6paid claims since 1981
$36Kpaid to owners
1homes flooded more than once
19812026

Biggest named events

  • Tropical Storm Lee: 1 claim, $5K
  • Hurricane Ida: 1 claim, $14K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. Antrim isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Franklin County.
Disasters that hit Antrim

Federal disasters declared here

None of the disasters declared for Franklin County shows FEMA aid or repair money reaching Antrim itself in FEMA’s records.

Brought FEMA money into AntrimDeclared for Franklin County only
Franklin County has had 16 natural disasters declared since 1953, most often floods and winter storms.
Around Antrim

Antrim and the towns around it

Montgomery: Low, mostly inland floodingWashington: Moderate, mostly inland floodingSt. Thomas: Low, mostly inland floodingPeters: Low, mostly inland floodingQuincy: Low, mostly inland floodingGuilford: Very low, mostly inland floodingWarren: Low, mostly inland floodingMercersburg: Low, mostly inland floodingHighfield-Cascade: Very low, mostly inland floodingLiberty: Moderate, mostly inland floodingHamilton: Low, mostly inland floodingMetal: Low, mostly inland floodingLetterkenny: Low, mostly inland floodingAyr: Very low, mostly inland floodingTodd: Very low, mostly inland floodingHamiltonban: Low, mostly inland floodingChambersburg: Low, mostly inland floodingGreene: Low, mostly inland floodingAntrim: Low, mostly inland flooding AntrimMontgomeryWashingtonSt. ThomasPetersQuincyGuilford
Very lowLowModerateHighVery high
Washingtonmostly inland floodingModerate
Quincymostly inland floodingLow
St. Thomasmostly inland floodingLow
Montgomerymostly inland floodingLow
Petersmostly inland floodingLow
Antrimmostly inland floodingLow
Guilfordmostly inland floodingVery low
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. Antrim covers 3 census tracts, combined by population.
Money that reached townFlood claims are matched to Antrim’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of Antrim. 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 Antrim total about $4.0M 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