Photo: Rmburza · CC BY 4.0FEMA expects about as much hazard damage per building in Allegan as in the typical U.S. town, mostly from river and rain flooding
On FEMA’s National Risk Index, Allegan gets a B for hazard risk: lower expected damage per building than 58% of U.S. towns, #575 of 701 in Michigan. Most of that expected damage is river and rain flooding (86%). Flood insurance has paid 7 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 Allegan 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 Allegan’s grade
River and rain flooding is 86% of the building damage FEMA expects in Allegan, and Allegan’s rate of river and rain flooding damage is higher than 64% of U.S. census tracts. Next is tornadoes at 6% (higher than 59% of U.S. census tracts).
B #575 of 701 in Michigan; lower expected damage per building than 58% of U.S. towns (21,298).
Allegan’s residents live in 3 census tracts; FEMA’s figures are combined by where they live.
The typical Michigan town has lower expected damage than 77% of U.S. towns; within the state, Allegan has more expected damage per building than 82% of Michigan towns.
In dollars, FEMA expects about $1.4M a year in losses across Allegan: $1.3M to buildings, the rest to people and crops.
Does Allegan flood? Rarely: 7 flood claims since 1978
Every paid claim on a federal flood insurance policy in Allegan, from FEMA’s records: 3.5 per 1,000 homes, more than 52% of the 13,809 U.S. towns with a flood insurance record.
- Hurricane Ike1 claim · $2K
Allegan isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Allegan County.3 federal disasters brought FEMA money to Allegan
Disasters that paid out in Allegan itself (aid to households or repair grants to the City of Allegan), newest first, with that year’s flood claims.
- 2026Severe Storms, Tornadoes, and Flooding20 households applied for aid$5K aid approved
- 2000Snow$10K to the City of Allegan for repairs
- 1999Mi - Severe Weather 1/2 /99$6K to the City of Allegan for repairs
Allegan County has had 14 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 Allegan after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Allegan archive →Get ready for what Allegan 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 Allegan
Is Allegan at risk for natural disasters?
On FEMA’s National Risk Index, Allegan has lower expected damage per building than 58% of U.S. towns: B for hazard risk, #575 of 701 in Michigan. Most of the expected damage is river and rain flooding (86%) and tornadoes (6%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Allegan flood?
Flood insurance has paid 7 claims in Allegan since 1978, $20K in all, or 3.5 per 1,000 homes, more than 52% of U.S. towns with a flood insurance record. The most claims came from Hurricane Ike (1).
Is Allegan 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 Allegan County, 0.2% of all homes carry federal flood insurance.
How much is flood insurance in Allegan?
FEMA’s Community Rating System list shows no discount for Allegan’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 Allegan?
By FEMA money that reached Allegan, Snow (2000): $10K to the City of Allegan for repairs. By flood claims, Hurricane Ike: 1 paid, $2K.
Is Allegan at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (86%), and Allegan’s rate for it is higher than 64% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Allegan.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Allegan’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.