FloodZoneMap.org

Linn County, Oregon Flood Zones

Check an Address in Linn County

Enter any address in Linn County, Oregon to see its FEMA flood zone

Read First-Hand Flood Stories from Linn County

4 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

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Flood Risk Data for Linn County

Linn County, Oregon has recorded 9 flood-related events since 1996 according to NOAA's Storm Events Database. The county has received 20 federal disaster declarations, 6 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Linn County Disaster History

FEMA Disaster Declarations (1964–2024)

Disaster Declarations
20
Flood/Coastal Disasters
6
Latest Disaster
Severe Winter Storms, Straight-line Winds, Landslides, And Mudslides (2024-01-10)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Linn County

DeclarationTypeDate
Severe Winter Storms, Straight-line Winds, Landslides, And MudslidesSevere StormJan 10, 2024
Severe Winter StormSevere StormFeb 11, 2021
WildfiresFireSep 8, 2020
Beachie Creek Lionshead Fire ComplexFireSep 7, 2020
Wildfires And Straight-line WindsFireSep 7, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Storms, Flooding, Landslides, And MudslidesFloodApr 6, 2019
Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And MudslidesSevere StormDec 6, 2015
Severe Winter StormSevere StormFeb 6, 2014

Recorded Flood Events in Linn County

NOAA Storm Events Database (1996–2025)

Total Flood Events
9
River/Area Floods
9
Total Property Damage
$1.0M
Flood Deaths
2

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Linn County

TypeDateDamage
FloodSep 17, 20200.00K
FloodApr 10, 20190.00K
FloodApr 8, 20190.00K
FloodJan 19, 20121.00M
FloodJan 19, 20120.00K
FloodJan 18, 20120.00K (2 deaths)
FloodJan 17, 2006
FloodDec 28, 2005

Linn County Flood History

Flood — Sep 17, 2020

An eastward-moving upper level trough and associated area of surface low pressure moved across northwest Oregon and southwest Washington September 17-18, resulting in fairly widespread showers and thunderstorms beginning late in the afternoon of the 17th through most of the day on the 18th. One severe thunderstorm developed southeast of Salem, OR during the overnight hours of Sept. 17-18, and ...

Flood — Apr 10, 2019

A particularly strong atmospheric river took aim for the south Willamette Valley, sitting over areas south of Salem for two days, producing anywhere from 2.5 to 5 inches of rain over a 48 hour period. Some areas in the Cascades and Cascade Foothills saw 5 to 7 inches of rain over that 48 hour period. Heavy rain combined with snow melt from all the snow from a few weeks prior in this same area...

Flood — Apr 8, 2019

A particularly strong atmospheric river took aim for the south Willamette Valley, sitting over areas south of Salem for two days, producing anywhere from 2.5 to 5 inches of rain over a 48 hour period. Some areas in the Cascades and Cascade Foothills saw 5 to 7 inches of rain over that 48 hour period. Heavy rain combined with snow melt from all the snow from a few weeks prior in this same area...

Flood — Jan 19, 2012

With a cold air mass in place over the Pacific Northwest, two strong and very moist Pacific weather systems brought widespread heavy rains to the Willamette Valley flooding many urban and small streams.

Flood — Jan 18, 2012

With a cold air mass in place over the Pacific Northwest, two strong and very moist Pacific weather systems brought widespread heavy rains to the Willamette Valley flooding many urban and small streams.

Source: NOAA National Weather Service Storm Events Database.

Linn County NFIP Flood Insurance Claims

Total Claims Filed
116
Total Paid Out
$1.5M
Avg Claim
$15,813
Avg Water Depth
7.1 ft

Claims by Flood Zone

A Zones (High Risk)
77
X Shaded (500-yr)
13
X Unshaded (Low)
7

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Linn County

FEMA assigns flood zone designations to areas in Linn County, Oregon:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Linn County

Properties in Linn County, Oregon that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.