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Natural hazards · Carroll

Carroll, PA natural hazards

Most of the natural-hazard damage FEMA expects in Carroll comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 53 claims here since 1978.

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

How exposed is Carroll?

58
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Carroll to be higher than in 58% of U.S. communities, mostly from inland flooding.

Inland flooding69%Strong wind8%Heat waves8%Hurricanes7%Everything else8%
By hazard

What Carroll faces

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

Inland flooding

69% of expected damage
Well above average · higher than 80% of U.S. places
Recorded about once a year in the area

Strong wind

8% of expected damage
Above average · higher than 56% of U.S. places
Recorded about 5 times a year in the area

Heat waves

8% of expected damage
Well below average · higher than 13% of U.S. places
Recorded about 4 times a year in the area

Hurricanes

7% of expected damage
Well above average · higher than 77% of U.S. places
Recorded about once every 14 years in the area

Lower here

TornadoesHailIce stormsWinter weatherCold wavesWildfireEarthquakesLandslidesLightningAvalanches

Not a risk here

Coastal floodingDroughtTsunamisVolcanic 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 Carroll flood?

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

53paid claims since 1978
$677Kpaid to owners
8homes flooded more than once
19782026

Biggest named events

  • Tropical Storm Ivan: 10 claims, $235K
  • Tropical Storm Bill: 3 claims, $78K

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. Carroll isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Perry County.
Disasters that hit Carroll

Federal disasters declared here

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

Brought FEMA money into CarrollDeclared for Perry County only
Perry County has had 17 natural disasters declared since 1953, most often floods and winter storms.
Around Carroll

Carroll and the towns around it

Spring: Moderate, mostly inland floodingWheatfield: Moderate, mostly inland floodingMiddlesex: Very low, mostly inland floodingRye: High, mostly inland floodingCentre: Moderate, mostly inland floodingNorth Middleton: Low, mostly inland floodingTyrone: Moderate, mostly inland floodingPenn: High, mostly inland floodingMiller: High, mostly inland floodingWatts: Moderate, mostly inland floodingSilver Spring: Moderate, mostly inland floodingSouth Middleton: Low, mostly inland floodingMonroe: Low, mostly inland floodingHampden: Low, mostly inland floodingMarysville: High, mostly inland floodingEast Pennsboro: Low, mostly inland floodingJuniata: High, mostly inland floodingSaville: Moderate, mostly inland floodingOliver: High, mostly inland floodingCarlisle: Low, mostly inland floodingLower Frankford: Very low, mostly inland floodingWest Pennsboro: Low, mostly inland floodingCarroll: Moderate, mostly inland flooding CarrollSpringWheatfieldMiddlesexRyeCentreNorth Middleton
Very lowLowModerateHighVery high
Ryemostly inland floodingHigh
Carrollmostly inland floodingModerate
Wheatfieldmostly inland floodingModerate
Springmostly inland floodingModerate
Centremostly inland floodingModerate
North Middletonmostly inland floodingLow
Middlesexmostly 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. Carroll covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Carroll’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of Carroll. 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 Carroll total about $1.7M 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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You’re in Carroll, PAPerry CountyView boundary

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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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