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Jefferson County, Oregon

Natural disaster risk, federal disaster history and flood insurance facts.

Very Low overall risk
30th of 36highest risk in Oregon
$10Mexpected losses a year
20federal declarations
1 in 167homes with flood insurance
Photo: U.S. Geological Survey, public domain

Jefferson County, Oregon has a very low overall risk from natural hazards in FEMA's National Risk Index. Its risk score is lower than 70% of US counties. It ranks 30th of 36 counties in Oregon. The costliest hazards here are inland flooding, wildfires and earthquakes. FEMA estimates about $10 million a year in expected losses, or roughly $423 per resident. Since 1964 it has been included in 20 federal disaster or emergency declarations for natural events (6 major disasters). The most recent was in July 2026 (Rowe Creek Fire Complex). Fewer than 1 in 100 homes here carry federal flood insurance (64 policies).

FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.

Top risks in Jefferson County

$4.6 million a yearExpected losses. Damaging events about once every 30 years.
  • Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
  • Price a flood policy now. Most new federal policies take 30 days to start.

Wildfire

Moderate
$3.7 million a yearExpected losses. Damaging events about once every 195 years.
  • Clear dry plants and debris within 5 feet of the house.
  • Get home insurance quotes early; availability varies by area.
$630,975 a yearExpected losses. Damaging events about once every 225 years.
  • Ask whether an older house is bolted to its foundation.
  • Consider separate earthquake insurance where risk is high.
HazardRatingScoreExpected loss a year
Inland floodingLow36.6
$5M
WildfireModerate94.9
$4M
EarthquakeLow64.4
$631K
LightningModerate68.4
$497K
Cold waveLow31.2
$479K
HailVery Low33.5
$147K
Strong windVery Low13.2
$114K
Heat waveVery Low21.9
$77K
Winter weatherLow46.0
$60K
Ice stormVery Low19.8
$17K
AvalancheLow73.0
$8K
TornadoVery Low3.0
$7K
Volcanic activityLow87.6
$7K
DroughtVery Low18.7
$3K
LandslideVery Low42.9
$871

Scores are percentiles: a score of 90 means higher risk than about 90% of US counties for that hazard. Hazards FEMA does not rate here are left out. Social vulnerability is relatively low and community resilience is relatively low in FEMA's measures.

Federal disaster history

Recent disasters nationwide ›

Declarations by decade

Federal declarations for natural events that included Jefferson County. 2020s bar runs to November 2026.

By type

Fire13
Severe Storm3
Flood2
Drought1
Coastal Storm1

Most recent

Jul 31, 2026Rowe Creek Fire ComplexFire management
Jul 23, 2026Akawa Butte FireFire management
Aug 23, 2025Flat FireFire management
Jun 17, 2025Alder Springs FireFire management
Aug 6, 2024Elk Lane FireFire management
Sep 15, 2020Wildfires and Straight-Line WindsMajor disaster
Sep 10, 2020WildfiresEmergency
Sep 8, 2020Beachie Creek Lionshead Fire ComplexFire management
May 2, 2019Severe Winter Storms, Flooding, Landslides, and MudslidesMajor disaster
Jun 22, 2018Graham FireFire management
Show all 20
Jun 8, 2016Akawana FireFire management
Mar 20, 2006Severe Storms, Flooding, Landslides, and MudslidesMajor disaster
Sep 7, 2005Hurricane Katrina EvacuationEmergency
Feb 19, 2004Severe Winter StormsMajor disaster
Aug 20, 2003Or-Booth Fire-8-19-2003Fire management
Jul 29, 2002Or - Cache Mountain Fire - 07/28/02Fire management
Jul 16, 2002Or - Eyerly Fire - 07/13/2002Fire management
Feb 9, 1996High Winds, Severe Storms and FloodingMajor disaster
Apr 29, 1977DroughtEmergency
Dec 24, 1964Heavy Rains & FloodingMajor disaster

Oregon also had 42 statewide declarations that did not name single counties.

Storm history since 1958

Tornado risk by county ›

The National Weather Service has logged 84 storm reports in Jefferson County since 1958, with 1 death and 0 injuries and about $5.7 million in reported damage. The strongest on record here was an F0 tornado on June 9, 2004 near Madras.

1tornadoes
37hail reports, largest 1.75 inches
27damaging thunderstorm winds
1floods and flash floods

Strongest tornadoes

DateStrengthNearHurt / killed
Jun 9, 2004F0Madras0 / 0

Most damaging storms

DateTypeNearDamage
Jul 9, 2002WildfireWarm Spgs$6M
May 23, 2001HailGateway$70K
Aug 1, 2009Thunderstorm WindMadras Arpt$50K
Jul 19, 2004LightningCulver$40K
Jun 12, 2006Thunderstorm WindAshwood$10K
Aug 1, 2009Thunderstorm WindCulver$10K

Source: NOAA Storm Events Database, county-based reports through May 20, 2023. Tornado records start in 1950, hail and wind in 1955, and floods and other storm types in 1996, so older decades undercount. Damage is in dollars of the year it happened and is often an estimate. Winter storms, heat and hurricanes are logged by forecast zone, not county, so they are not counted here.

Flood insurance in Jefferson County

Check your address flood zone ›
0.6%of homes have federal flood insurance (64 policies)
0%of homes in mapped high-risk flood zones are insured
$12,739paid on 7 flood claims since 1978
1979costliest year, with $12,739 paid

National Flood Insurance Program (NFIP) records only; private flood policies are not included. Home counts as of Aug 3, 2026. Since 2021 NFIP prices each home separately under Risk Rating 2.0, so your price depends on the building, not the county. Ask an agent for a quote.

Homes in Jefferson County

$374,200median home value (Oregon $477,600, US $332,700)
1991median year homes were built (Oregon 1981, US 1980)
35%of homes built before 1980, before many modern wind, quake and flood building rules
16.4%of homes are mobile homes, which are the least safe in tornadoes and high winds

Older homes and mobile homes usually suffer more damage in storms, floods and earthquakes, and can cost more to insure. If you are buying, ask about roof age, foundation bolting and any retrofits. Source: US Census Bureau, American Community Survey 2020 to 2024 5-year estimates; 10,602 housing units.

Compare in Oregon

All 36 ›
Largest countiesOverall riskTop hazard
Multnomah CountyHighEarthquake
Washington CountyHighEarthquake
Clackamas CountyHighEarthquake
Lane CountyHighInland flooding
Marion CountyHighEarthquake
Jackson CountyModerateInland flooding
Deschutes CountyModerateInland flooding
Linn CountyModerateEarthquake

Neighboring counties

CountyOverall riskDeclarations
Marion CountyHigh13
Deschutes CountyModerate18
Linn CountyModerate19
Wasco CountyLow24
Crook CountyVery Low10
Wheeler CountyVery Low12

Common questions about Jefferson County

What is the biggest natural hazard in Jefferson County?

Inland flooding has the highest expected yearly losses in Jefferson County, about $4.6 million a year in FEMA's estimate. Wildfire is second at $3.7 million.

How many federal disasters has Jefferson County had?

Jefferson County has been included in 20 federal disaster or emergency declarations for natural events since 1964, including 6 major disasters. The most recent was Rowe Creek Fire Complex in July 2026.

Is Jefferson County a high-risk place to live?

Its overall rating is Very Low, 30th highest of 36 in Oregon. A county rating covers the whole area. Risk at one address can be much higher or lower, so check the FEMA flood map and ask about the home's history.

Do I need flood insurance in Jefferson County?

Standard home insurance does not cover flooding. About 1 in 167 homes in Jefferson County has federal flood insurance. Lenders require it in mapped high-risk zones, but many flood claims come from outside those zones.

How many tornadoes has Jefferson County had?

NOAA records list 1 tornadoes in Jefferson County since 1950. The strongest was an F0 tornado on June 9, 2004 near Madras. The weather service has also logged 37 hail reports and 1 floods here.

Sources: FEMA National Risk Index (December 2025), OpenFEMA Disaster Declarations Summaries, and NFIP policy and claims data. Hazard Compass is independent and not affiliated with FEMA. These figures describe the whole county, not a single property, and are not insurance or safety advice. Report a problem.