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Natural hazards · Delaware

Delaware, KS 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.

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

How exposed is Delaware?

55
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Delaware to be higher than in 55% of U.S. communities, mostly from inland flooding and tornadoes.

Inland flooding48%Tornadoes16%Wildfire6%Heat waves6%Strong wind6%Everything else18%
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

48% of expected damage
Above average · higher than 65% of U.S. places
Recorded about 2 times a year in the area

Tornadoes

16% of expected damage
Well above average · higher than 92% of U.S. places
Recorded about once every 7 years in the area

Wildfire

6% of expected damage
Well above average · higher than 95% of U.S. places

Heat waves

6% of expected damage
Well above average · higher than 95% of U.S. places
Recorded about 14 times a year in the area

Strong wind

6% of expected damage
Well above average · higher than 87% of U.S. places
Recorded about 7 times a year in the area

Lower here

HailIce stormsWinter weatherCold wavesEarthquakesLandslidesLightningDrought

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?

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

of homes in flood zones
are insured
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: Jefferson County.
Disasters that hit Delaware

Federal disasters declared here

None of the disasters declared for Jefferson County shows FEMA aid or repair money reaching Delaware itself in FEMA’s records.

Brought FEMA money into DelawareDeclared for Jefferson County only
Jefferson County has had 16 natural disasters declared since 1953, most often severe storms and floods.
Around Delaware

Delaware and the towns around it

Norton: Moderate, mostly inland floodingOzawkie: Very high, mostly inland floodingRock Creek: High, mostly inland floodingKapioma: Moderate, mostly inland floodingJefferson: Moderate, mostly inland floodingCenter: Moderate, mostly inland floodingMount Pleasant: Moderate, mostly inland floodingBenton: Moderate, mostly inland floodingEaston: Moderate, mostly inland floodingFairview: Very high, mostly inland floodingOskaloosa: Low, mostly inland floodingKaw: High, mostly inland floodingSoldier: Moderate, mostly inland floodingGrasshopper: Moderate, mostly inland floodingUnion: Low, mostly inland floodingDelaware: Moderate, mostly inland flooding DelawareNortonOzawkieRock CreekKapiomaJefferson
Very lowLowModerateHighVery high
Ozawkiemostly inland floodingVery high
Rock Creekmostly inland floodingHigh
Delawaremostly inland floodingModerate
Nortonmostly inland floodingModerate
Jeffersonmostly inland floodingModerate
Kapiomamostly 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 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 Delaware’s own flood-insurance community; 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.

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