FEMA expects about as much hazard damage per building in Olio Township as in the typical U.S. town, mostly from river and rain flooding
On FEMA’s National Risk Index, Olio Township gets a B− for hazard risk: higher expected damage per building than 54% of U.S. towns, #373 of 768 in Illinois. Most of that expected damage is river and rain flooding (83%). Flood insurance has paid 1 claim here since 2015.
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 Olio Township 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
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 Olio Township’s grade
River and rain flooding is 83% of the building damage FEMA expects in Olio Township, and Olio Township’s rate of river and rain flooding damage is higher than 70% of U.S. census tracts. Next is tornadoes at 8% (higher than 72% of U.S. census tracts).
B− #373 of 768 in Illinois; higher expected damage per building than 54% of U.S. towns (21,298).
Olio Township’s residents live in 2 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, Olio Township has less expected damage per building than 51% of Illinois towns.
In dollars, FEMA expects about $2.4M a year in losses across Olio Township: $1.5M to buildings, the rest to people and crops.
Does Olio Township flood? Rarely: 1 flood claim since 2015
Every paid claim on a federal flood insurance policy in Olio Township, from FEMA’s records: 0.5 per 1,000 homes, fewer than 90% of the 13,809 U.S. towns with a flood insurance record.
- The Early winter storms1 claim · $1K
Olio Township isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Woodford County.1 federal disaster brought FEMA money to Olio Township
Disasters that paid out in Olio Township itself (aid to households or repair grants to Olio Township), newest first, with that year’s flood claims.
- 1999Il-winter Storm 1/1/99$3K to Olio Township for repairs
Woodford County has had 11 natural disasters declared by the President since 1953, most often severe storms, then floods. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Old photos of Olio Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Olio Township archive →Olio Township and its neighbors
Olio Township is 4th of the 6 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 |
|---|---|---|---|
| Palestine Township | Bless damage than 57% | river and rain flooding | — |
| Cruger Township | B−more damage than 53% | river and rain flooding | — |
| Eureka | B−more damage than 54% | river and rain flooding | 5 |
| Olio Township | B−more damage than 54% | river and rain flooding | 1 |
| Montgomery Township | B−more damage than 54% | river and rain flooding | 1 |
| Roanoke Township | C+more damage than 62% | river and rain flooding | — |
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 Olio Township 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.
- 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 Olio Township
Is Olio Township at risk for natural disasters?
On FEMA’s National Risk Index, Olio Township has higher expected damage per building than 54% of U.S. towns: B− for hazard risk, #373 of 768 in Illinois. Most of the expected damage is river and rain flooding (83%) and tornadoes (8%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Olio Township flood?
Flood insurance has paid 1 claim in Olio Township since 2015, $1K in all, or 0.5 per 1,000 homes, fewer than 90% of U.S. towns with a flood insurance record. The most claims came from Early winter storms (1).
Is Olio Township 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 Woodford County, 21% of homes in mapped flood zones carry federal flood insurance, and 0.6% of all homes do.
How much is flood insurance in Olio Township?
FEMA’s Community Rating System list shows no discount for Olio Township’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 Olio Township?
By FEMA money that reached Olio Township, Il-winter Storm 1/1/99 (1999): $3K to Olio Township for repairs. By flood claims, Early winter storms: 1 paid, $1K.
Is Olio Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (83%), and Olio Township’s rate for it is higher than 70% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Olio Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Olio Township’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.