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Natural hazards · Delaware

Delaware, MN natural hazards

Most of the natural-hazard damage FEMA expects in Delaware comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 1 claim here since 2011. 4 federal disasters brought FEMA money into town.

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

How exposed is Delaware?

46
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Delaware to be higher than in 46% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding52%Cold waves20%Tornadoes8%Hail7%Strong wind6%Everything else7%
By hazard

What Delaware faces

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

Inland flooding

52% of expected damage
Above average · higher than 67% of U.S. places
Recorded about once every 2 years in the area

Cold waves

20% of expected damage
Well above average · higher than 75% of U.S. places
Recorded about 14 times a year in the area

Tornadoes

8% of expected damage
Well above average · higher than 75% of U.S. places
Recorded about once every 4 years in the area

Hail

7% of expected damage
Above average · higher than 53% of U.S. places
Recorded about 4 times a year in the area

Strong wind

6% of expected damage
Well above average · higher than 90% of U.S. places
Recorded about 3 times a year in the area

Lower here

Ice stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesLightningDrought

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 Delaware flood?

Every paid claim on a federal flood insurance policy in Delaware, from FEMA’s records.

1paid claims since 2011
$59Kpaid to owners
0homes flooded more than once
20112026
of all homes
are insured
No community discount. Delaware isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Grant County.
Disasters that hit Delaware

4 federal disasters brought FEMA money here

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

Brought FEMA money into DelawareDeclared for Grant County only
2023

Severe Storms and Flooding

$22K to the Township of Delaware for repairs
2019

Severe Winter Storm, Straight-Line Winds, and Flooding

$4K to the Township of Delaware for repairs
2009

Severe Storms and Flooding

$27K to the Township of Delaware for repairs
2001

Severe Winter Storms, Flooding, and Tornadoes

$10K to the Township of Delaware for repairs
Grant County has had 16 natural disasters declared since 1953, most often floods and severe storms.
Around Delaware

Delaware and the towns around it

Lien: Moderate, mostly inland floodingElbow Lake: Moderate, mostly inland floodingMacsville: Moderate, mostly inland floodingGorton: Moderate, mostly inland floodingBarrett: Moderate, mostly inland floodingSanford: Low, mostly inland floodingElk Lake: Moderate, mostly inland floodingRoseville: Moderate, mostly inland floodingStony Brook: Low, mostly inland floodingNorth Ottawa: Moderate, mostly inland floodingLogan: Moderate, mostly inland floodingDonnelly: Low, mostly inland floodingRedpath: Moderate, mostly inland floodingDelaware: Moderate, mostly inland flooding DelawareLienElbow LakeMacsvilleGorton
Very lowLowModerateHighVery high
Delawaremostly inland floodingModerate
Lienmostly inland floodingModerate
Elbow Lakemostly inland floodingModerate
Macsvillemostly inland floodingModerate
Gortonmostly inland floodingModerate
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. Delaware covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Delaware’s own flood-insurance community (here, the census tracts inside it); household aid to the registrant’s city; repair grants to the Township of Delaware. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Delaware total about $2.3M a year, counting buildings, people and crops.

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 Delaware, MNGrant 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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