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Natural hazards · Port Allen

Port Allen, LA natural hazards

Most of the natural-hazard damage FEMA expects in Port Allen comes from cold waves, and overall the risk is moderate for a U.S. community. Flood insurance has paid 28 claims here since 1980. 9 federal disasters brought FEMA money into town.

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

How exposed is Port Allen?

40
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Port Allen to be higher than in 40% of U.S. communities, mostly from cold waves and hurricanes.

Cold waves24%Hurricanes24%Tornadoes23%Inland flooding17%Heat waves7%Everything else6%
By hazard

What Port Allen faces

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

Cold waves

24% of expected damage
Well above average · higher than 95% of U.S. places
Recorded about once a year in the area

Hurricanes

24% of expected damage
Well above average · higher than 89% of U.S. places
Recorded about once every 5 years in the area

Tornadoes

23% of expected damage
Above average · higher than 73% of U.S. places

Inland flooding

17% of expected damage
Well below average · higher than 11% of U.S. places
Recorded about once every 4 years in the area

Heat waves

7% of expected damage
Above average · higher than 72% of U.S. places
Recorded about 15 times a year in the area

Lower here

HailIce stormsWinter weatherWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic 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 Port Allen flood?

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

28paid claims since 1980
$557Kpaid to owners
1homes flooded more than once
19802026

Biggest named events

  • Mid-summer severe storms: 1 claim, $32K
  • Tropical Storm Allison: 1 claim, $61K

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. Port 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: West Baton Rouge Parish.

What’s been done with FEMA grants

4buildings retrofitted against wind
Disasters that hit Port Allen

9 federal disasters brought FEMA money here

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

Brought FEMA money into Port AllenDeclared for West Baton Rouge Parish only
2021

Hurricane Ida

2,425 households applied for aid $1.6M aid approved
2020

Hurricane Laura

8 households applied for aid $18K aid approved
2016

Severe Storms and Flooding

238 households applied for aid $159K aid approved $26K to the City of Port Allen for repairs
2012

Hurricane Isaac

311 households applied for aid $248K aid approved $46K to the City of Port Allen for repairs
2008

Hurricane Gustav

2,117 households applied for aid $1.8M aid approved $199K to the City of Port Allen for repairs
2005

Hurricane Rita

527 households applied for aid $332K aid approved $11K to the City of Port Allen for repairs
2005

Hurricane Katrina

1,464 households applied for aid $926K aid approved $70K to the City of Port Allen for repairs
2004

Severe Storms and Flooding

367 households applied for aid $172K aid approved
2002

Hurricane Lili

$7K to the City of Port Allen for repairs
West Baton Rouge Parish has had 25 natural disasters declared since 1953, most often hurricanes and floods.
Around Port Allen

Port Allen and the towns around it

Baton Rouge: Moderate, mostly inland floodingSt. George: Moderate, mostly inland floodingMerrydale: Very high, mostly inland floodingGardere: Moderate, mostly inland floodingMonticello: Very high, mostly inland floodingBrownfields: High, mostly inland floodingPort Allen: Moderate, mostly cold waves Port AllenBaton Rouge
Very lowLowModerateHighVery high
Baton Rougemostly inland floodingModerate
Port Allenmostly cold wavesModerate
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. Port Allen covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Port Allen’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Port 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 Port Allen 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/18 · 2025-01-01
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