On FEMA’s figures, Caseyville faces more hazard damage per building than 86% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Caseyville gets a D for hazard risk: higher expected damage per building than 86% of U.S. towns, #709 of 768 in Illinois. Most of that expected damage is river and rain flooding (68%), then earthquakes (22%). Flood insurance has paid 31 claims here since 1990.
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 Caseyville 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
Tornadoes
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 Caseyville’s grade
River and rain flooding is 68% of the building damage FEMA expects in Caseyville, and Caseyville’s rate of river and rain flooding damage is higher than 86% of U.S. census tracts. Next is earthquakes at 22% (higher than 85% of U.S. census tracts).
D #709 of 768 in Illinois; higher expected damage per building than 86% of U.S. towns (21,298).
Caseyville’s residents live in 4 census tracts; FEMA’s figures are combined by where they live.
The typical Illinois town has higher expected damage than 54% of U.S. towns; within the state, Caseyville has more expected damage per building than 92% of Illinois towns.
In dollars, FEMA expects about $2.4M a year in losses across Caseyville: $1.3M to buildings, the rest to people and crops.
Does Caseyville flood? Sometimes: 31 flood claims since 1990
Every paid claim on a federal flood insurance policy in Caseyville, from FEMA’s records: 18.4 per 1,000 homes, more than 83% of the 13,809 U.S. towns with a flood insurance record.
- The Late July Flooding8 claims · $99K
- The March storm1 claim · $766
Caseyville 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. Clair County.3 federal disasters brought FEMA money to Caseyville
Disasters that paid out in Caseyville itself (aid to households or repair grants to the Village of Caseyville), newest first, with that year’s flood claims.
- 2024Severe Storms, Tornadoes, Straight-line Winds, and Floodng58 households applied for aid$314K aid approved3 flood claims paid that year
- 2022Severe Storm and Flooding186 households applied for aid$699K aid approved9 flood claims paid that year
- 2006Severe Winter Storm$83K to the Village of Caseyville for repairs
St. Clair County has had 16 natural disasters declared by the President since 1953, most often floods, then severe storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Old photos of Caseyville after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Caseyville archive →Caseyville and its neighbors
Caseyville is 3rd of the 7 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.
| Town | Hazard risk | Mostly (buildings) | Flood claims |
|---|---|---|---|
| Collinsville | C+more damage than 59% | river and rain flooding | 12 |
| Fairview Heights | C+more damage than 64% | river and rain flooding | 4 |
| Caseyville | Dmore damage than 86% | river and rain flooding | 31 |
| Fairmont City | Dmore damage than 88% | river and rain flooding | 2 |
| Canteen Township | Dmore damage than 88% | river and rain flooding | 69 |
| East St. Louis | Dmore damage than 91% | river and rain flooding | 388 |
| Washington Park | Dmore damage than 92% | river and rain flooding | 5 |
| East St. Louis Township | — | not graded yet | |
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 Caseyville 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.
- Pick your spot now: the lowest floor, an inside room, no windows.
- A watch means be ready; a warning means take cover now.
- Keep shoes and a flashlight by the bed.
- 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 Caseyville
Is Caseyville at risk for natural disasters?
On FEMA’s National Risk Index, Caseyville has higher expected damage per building than 86% of U.S. towns: D for hazard risk, #709 of 768 in Illinois. Most of the expected damage is river and rain flooding (68%) and earthquakes (22%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Caseyville flood?
Flood insurance has paid 31 claims in Caseyville since 1990, $267K in all, or 18.4 per 1,000 homes, more than 83% of U.S. towns with a flood insurance record. 1 properties have flooded more than once. The most claims came from Late July Flooding (8).
Is Caseyville 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. Clair County, 1.0% of all homes carry federal flood insurance.
How much is flood insurance in Caseyville?
FEMA’s Community Rating System list shows no discount for Caseyville’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 Caseyville?
By FEMA money that reached Caseyville, Severe Storm and Flooding (2022): 186 households applied for aid, $699K approved. By flood claims, Late July Flooding: 8 paid, $99K.
Is Caseyville at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (68%), and Caseyville’s rate for it is higher than 86% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Caseyville.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Caseyville’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.