Less hazard damage per building is expected in Yeadon than in 82% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Yeadon gets an A− for hazard risk: lower expected damage per building than 82% of U.S. towns, #365 of 1,037 in Pennsylvania. Most of that expected damage is river and rain flooding (74%), then earthquakes (12%). Flood insurance has paid 13 claims here since 1999.
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 Yeadon faces
Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.
River and rain flooding
Earthquakes
Hurricanes
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 Yeadon’s grade
River and rain flooding is 74% of the building damage FEMA expects in Yeadon, and Yeadon’s rate of river and rain flooding damage is lower than 67% of U.S. census tracts. Next is earthquakes at 12% (higher than 74% of U.S. census tracts).
A− #365 of 1,037 in Pennsylvania; lower expected damage per building than 82% of U.S. towns (21,298).
Yeadon’s residents live in 4 census tracts; FEMA’s figures are combined by where they live.
The typical Pennsylvania town has lower expected damage than 71% of U.S. towns; within the state, Yeadon has less expected damage per building than 65% of Pennsylvania towns.
In dollars, FEMA expects about $2.3M a year in losses across Yeadon: $1.5M to buildings, the rest to people and crops.
Does Yeadon flood? Sometimes: 13 flood claims since 1999
Every paid claim on a federal flood insurance policy in Yeadon, from FEMA’s records: 2.3 per 1,000 homes, fewer than 58% of the 13,809 U.S. towns with a flood insurance record.
- Hurricane Floyd2 claims · $11K
- Hurricane Irene1 claim · $37K
- Hurricane Isaias1 claim · $10K
Yeadon isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Delaware County.5 federal disasters brought FEMA money to Yeadon
Disasters that paid out in Yeadon itself (aid to households or repair grants to the Borough of Yeadon), newest first, with that year’s flood claims.
- 2021Remnants of Hurricane Ida139 households applied for aid$275K aid approved1 flood claim paid for it, $8K
- 2011Tropical Storm Lee41 households applied for aid$57K aid approved
- 2011Hurricane Irene221 households applied for aid$134K aid approved1 flood claim paid for it, $37K
- 2004Tropical Depression Ivan9 households applied for aid$17K aid approved
- 2004Severe Storms and Flooding28 households applied for aid$40K aid approved
Delaware County has had 19 natural disasters declared by the President since 1953, most often hurricanes and tropical storms, then floods. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Old photos of Yeadon after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Yeadon archive →Yeadon and its neighbors
Yeadon has the lowest expected damage per building of the 5 graded towns here. Tap a town to see its hazards.
| Town | Hazard risk | Mostly (buildings) | Flood claims |
|---|---|---|---|
| Yeadon | A−less damage than 82% | river and rain flooding | 13 |
| Lansdowne | A−less damage than 76% | river and rain flooding | 8 |
| Upper Darby Township | B+less damage than 71% | river and rain flooding | 363 |
| Philadelphia | B−less damage than 54% | river and rain flooding | 1,177 |
| Darby | B−less damage than 53% | river and rain flooding | 338 |
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 Yeadon faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- 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.
- Drop, cover and hold on.
- Strap tall furniture and the water heater to the wall.
- Know how to shut off the gas.
- 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.
- 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 Yeadon
Is Yeadon at risk for natural disasters?
On FEMA’s National Risk Index, Yeadon has lower expected damage per building than 82% of U.S. towns: A− for hazard risk, #365 of 1,037 in Pennsylvania. Most of the expected damage is river and rain flooding (74%) and earthquakes (12%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Yeadon flood?
Flood insurance has paid 13 claims in Yeadon since 1999, $95K in all, or 2.3 per 1,000 homes, fewer than 58% of U.S. towns with a flood insurance record. 2 properties have flooded more than once. The most claims came from Hurricane Floyd (2).
Is Yeadon 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 Delaware County, 39% of homes in mapped flood zones carry federal flood insurance, and 0.7% of all homes do.
How much is flood insurance in Yeadon?
FEMA’s Community Rating System list shows no discount for Yeadon’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 Yeadon?
By FEMA money that reached Yeadon, Remnants of Hurricane Ida (2021): 139 households applied for aid, $275K approved. By flood claims, Hurricane Floyd: 2 paid, $11K.
Is Yeadon at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (74%), and Yeadon’s rate for it is lower than 67% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Yeadon.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Yeadon’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.