For strong wind, Hanna Township’s building-damage rate is in the top 1% of U.S. census tracts
On FEMA’s National Risk Index, Hanna Township gets a C+ for hazard risk: higher expected damage per building than 63% of U.S. towns. Most of that expected damage is river and rain flooding (70%), then strong wind (14%). Flood insurance has paid 50 claims here since 1979.
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 Hanna 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
Strong wind
Tornadoes
Hail
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 Hanna Township’s grade
River and rain flooding is 70% of the building damage FEMA expects in Hanna Township, and Hanna Township’s rate of river and rain flooding damage is higher than 67% of U.S. census tracts. Strong wind adds 14%, at a rate in the top 1% of U.S. census tracts.
C+ higher expected damage per building than 63% of U.S. towns (21,298).
Hanna Township’s residents live in 2 census tracts; FEMA’s figures are combined by where they live.
In dollars, FEMA expects about $1.1M a year in losses across Hanna Township: $646K to buildings, the rest to people and crops.
Does Hanna Township flood? Sometimes: 50 flood claims since 1979
Every paid claim on a federal flood insurance policy in Hanna Township, from FEMA’s records: 45.5 per 1,000 homes, more than 92% of the 13,809 U.S. towns with a flood insurance record.
- The Mid-spring storms3 claims · $53K
- Hurricane Ike1 claim · $8K
Hanna 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: Henry County.The storms Hanna Township remembers
None of the 13 disasters declared for Henry County shows FEMA aid or repair money reaching Hanna Township itself in FEMA’s records, so these are its biggest flood-claim years.
- 200115 flood claims paidNo declaration for the county that year
- 19978 flood claims paidNo declaration for the county that year
- 20005 flood claims paidThe year of Illinois Winter Snow Storms, declared for Henry County
Henry County has had 13 natural disasters declared by the President since 1953, most often floods, then winter storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Old photos of Hanna Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Hanna Township archive →Hanna Township and its neighbors
Hanna Township is 2nd of the 5 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 |
|---|---|---|---|
| Phenix Township | C+more damage than 62% | river and rain flooding | — |
| Hanna Township | C+more damage than 63% | river and rain flooding | 50 |
| Hampton Township | Cmore damage than 67% | river and rain flooding | 243 |
| Colona Township | Cmore damage than 72% | river and rain flooding | 86 |
| Colona | C−more damage than 75% | river and rain flooding | 14 |
| Zuma Township | — | 808 residents; we grade 1,000+ | |
| Edford Township | — | 563 residents; we grade 1,000+ | |
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 Hanna 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.
- Trim dead limbs over the house and driveway.
- Tie down trash cans and outdoor furniture.
- Stay clear of downed lines and call the utility.
- 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.
- Park in a garage or under cover when storms are forecast.
- Stay away from windows while it falls.
- Photograph roof and car damage for your insurer.
- 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 Hanna Township
Is Hanna Township at risk for natural disasters?
On FEMA’s National Risk Index, Hanna Township has higher expected damage per building than 63% of U.S. towns: C+ for hazard risk. Most of the expected damage is river and rain flooding (70%) and strong wind (14%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Hanna Township flood?
Flood insurance has paid 50 claims in Hanna Township since 1979, $487K in all, or 45.5 per 1,000 homes, more than 92% of U.S. towns with a flood insurance record. The most claims came from Mid-spring storms (3).
Is Hanna 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 Henry County, 15% of homes in mapped flood zones carry federal flood insurance, and 0.4% of all homes do.
How much is flood insurance in Hanna Township?
FEMA’s Community Rating System list shows no discount for Hanna 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 Hanna Township?
By flood claims, Mid-spring storms: 3 paid, $53K.
Is Hanna Township at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (70%), and Hanna Township’s rate for it is higher than 67% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Hanna Township.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Hanna 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.