Photo: ScienceQuiz · CC BY-SA 4.0FEMA puts Laplace’s expected hazard damage per building above that of 98% of U.S. towns, mostly from hurricanes
On FEMA’s National Risk Index, Laplace gets a D− for hazard risk: higher expected damage per building than 98% of U.S. towns, #142 of 162 in Louisiana. Most of that expected damage is hurricanes (67%), then river and rain flooding (26%). Flood insurance has paid 5,244 claims here since 1978.
Graded on FEMA’s expected yearly building damage per dollar of building value (NRI v1.20, December 2025), weighted by where residents live; flood claims are shown, not graded. How hazard risk is graded
What stands out about Laplace’s natural hazards
From FEMA’s model and FEMA’s records, below.
What Laplace faces
Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.
Hurricanes
River and rain flooding
Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.
What’s behind Laplace’s grade
Hurricanes are 67% of the building damage FEMA expects in Laplace, and Laplace’s rate of hurricanes damage is in the top 2% of U.S. census tracts. Coastal flooding adds 4%, at a rate in the top 2% of U.S. census tracts.
D− #142 of 162 in Louisiana; higher expected damage per building than 98% of U.S. towns (21,298).
Laplace’s residents live in 7 census tracts; FEMA’s figures are combined by where they live.
The typical Louisiana town has higher expected damage than 92% of U.S. towns; within the state, Laplace has more expected damage per building than 88% of Louisiana towns.
In dollars, FEMA expects about $32.2M a year in losses across Laplace: $26.8M to buildings, the rest to people and crops.
Does Laplace flood? Yes: 5,244 flood claims since 1978
Every paid claim on a federal flood insurance policy in Laplace, from FEMA’s records: 448.6 per 1,000 homes, more than 99% of the 13,809 U.S. towns with a flood insurance record.
- Hurricane Ida2,386 claims · $260M
- Hurricane Isaac2,265 claims · $170M
- Hurricane Katrina146 claims · $3.0M
Laplace isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: St. John the Baptist Parish.5 federal disasters brought FEMA money to Laplace
Disasters that paid out in Laplace itself (aid to households or repair grants to Laplace), newest first, with that year’s flood claims.
- 2024Hurricane Francine533 households applied for aid$730K aid approved78 flood claims paid for it, $3.6M
- 2021Hurricane Ida1,916 households applied for aid$5.4M aid approved2,386 flood claims paid for it, $260M
- 2012Hurricane Isaac345 households applied for aid$903K aid approved2,265 flood claims paid for it, $170M
- 2008Hurricane Gustav93 households applied for aid$47K aid approved24 flood claims paid for it, $228K
- 2005Hurricane Katrina49 households applied for aid$133K aid approved146 flood claims paid for it, $3.0M
St. John the Baptist Parish has had 34 natural disasters declared by the President since 1953, most often hurricanes and tropical storms, then floods.
Old photos of Laplace after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Laplace archive →Laplace and its neighbors
Laplace is 3rd of the 4 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.
Hazard risk = FEMA’s expected yearly building damage per dollar of building value, vs. the 21,298 U.S. towns we grade; the map is shaded by fifths of the same scale. Flood claims = paid federal flood insurance claims on record.
Get ready for what Laplace faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- The season runs June through November and peaks from mid-August to mid-October.
- Bring in porch furniture and anything the wind can throw.
- Fill the gas tank and charge phones before the storm arrives.
- Turn around at flooded roads: a foot of moving water can carry off a car.
- Flood insurance usually takes 30 days to start, so buy it before the forecast.
- Keep papers and medicines up high, in a grab-and-go bag.
- Look up the address on FEMA’s flood map.
- Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
- Get a flood insurance quote early: policies usually start 30 days after you buy.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Laplace
Is Laplace at risk for natural disasters?
On FEMA’s National Risk Index, Laplace has higher expected damage per building than 98% of U.S. towns: D− for hazard risk, #142 of 162 in Louisiana. Most of the expected damage is hurricanes (67%) and river and rain flooding (26%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Laplace flood?
Flood insurance has paid 5,244 claims in Laplace since 1978, $443M in all, or 448.6 per 1,000 homes, more than 99% of U.S. towns with a flood insurance record. The most claims came from Hurricane Ida (2,386).
Is Laplace in a flood zone?
Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In St. John the Baptist Parish, 80% of homes in mapped flood zones carry federal flood insurance, and 34.2% of all homes do.
How much is flood insurance in Laplace?
FEMA’s Community Rating System list shows no discount for Laplace’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
What was the biggest storm in Laplace?
By FEMA money that reached Laplace, Hurricane Ida (2021): 1,916 households applied for aid, $5.4M approved. By flood claims, Hurricane Ida: 2,386 paid, $260M.
Is Laplace at risk from hurricanes?
It is the largest share of the building damage FEMA expects here (67%), and Laplace’s rate for it is in the top 2% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Laplace.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Laplace’s residents lived in the 2020 census; 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. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.