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Natural hazards · Gilmanton

Gilmanton, MN natural hazards

Most of the natural-hazard damage FEMA expects in Gilmanton comes from inland flooding, and overall the risk is moderate for a U.S. community. 1 federal disaster brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Gilmanton?

41
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Gilmanton to be higher than in 41% of U.S. communities, mostly from inland flooding.

Inland flooding55%Tornadoes12%Strong wind8%Hail8%Cold waves8%Drought6%Everything else4%
By hazard

What Gilmanton faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

55% of expected damage
Above average · higher than 56% of U.S. places
Recorded about once every 3 years in the area

Tornadoes

12% of expected damage
Well above average · higher than 78% of U.S. places
Recorded about once every 15 years in the area

Strong wind

8% of expected damage
Well above average · higher than 94% of U.S. places
Recorded about 4 times a year in the area

Hail

8% of expected damage
Well above average · higher than 85% of U.S. places
Recorded about 6 times a year in the area

Cold waves

8% of expected damage
Above average · higher than 50% of U.S. places
Recorded about 12 times a year in the area

Drought

6% of expected damage
Recorded about 6 times a year in the area

Lower here

Ice stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesLightning

Not a risk here

Coastal floodingHurricanesAvalanchesTsunamisVolcanic activity
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Gilmanton flood?

FEMA's records show no paid flood insurance claims in Gilmanton.

of homes in flood zones
are insured
of all homes
are insured
No community discount. Gilmanton isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Benton County.
Disasters that hit Gilmanton

1 federal disaster brought FEMA money here

Disasters the President declared that paid out in Gilmanton itself: aid to households, or repair grants to the Township of Gilmanton.

Brought FEMA money into GilmantonDeclared for Benton County only
2013

Severe Storms, Straight-Line Winds, and Flooding

$19K to the Township of Gilmanton for repairs
Benton County has had 11 natural disasters declared since 1953, most often floods and severe storms.
Around Gilmanton

Gilmanton and the towns around it

Foley: Moderate, mostly inland floodingMayhew Lake: Moderate, mostly inland floodingSt. George: Low, mostly inland floodingGilman: Moderate, mostly inland floodingMaywood: Moderate, mostly inland floodingAlberta: Moderate, mostly inland floodingGraham: Moderate, mostly inland floodingWatab: Very high, mostly inland floodingMinden: Low, mostly inland floodingPalmer: Moderate, mostly inland floodingGlendorado: Moderate, mostly inland floodingMilo: Moderate, mostly inland floodingGranite Ledge: Moderate, mostly inland floodingMorrill: High, mostly inland floodingGilmanton: Moderate, mostly inland flooding GilmantonFoleyMayhew LakeSt. GeorgeGilmanMaywoodAlberta
Very lowLowModerateHighVery high
Foleymostly inland floodingModerate
Maywoodmostly inland floodingModerate
Gilmantonmostly inland floodingModerate
Mayhew Lakemostly inland floodingModerate
Gilmanmostly inland floodingModerate
Albertamostly inland floodingModerate
St. Georgemostly inland floodingLow
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Gilmanton is smaller than a census tract, so it shares the figures of the tract around its center.
Money that reached townFlood claims are matched to Gilmanton’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of Gilmanton. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

Sources: FEMA National Risk Index (December 2025); 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. Census tracts: U.S. Census Bureau.

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You’re in Gilmanton, MNBenton CountyView boundary

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01
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