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Oregon · FEMA + NOAA + National Risk Index

Linn County, OR

4 FEMA disaster declarations (2020–2026), with a FEMA National Risk Index rating of Relatively Moderate. Most common hazard: Severe Storm.

4
FEMA declarations
3
Major disasters
88
NRI risk · Relatively Moderate
Severe Storm
Top hazard

The verdict

Linn County ranks in the riskiest 12% of U.S. counties for FEMA-modeled hazard risk, with more federally declared disasters than 57% of the 2,791 counties FEMA tracks. FEMA rates the county's overall risk as Relatively Moderate, based on 4 federal disaster declarations recorded since 2020, most often severe storm, 4% above the national county average of 4.

Riskiest 12%
of U.S. counties for FEMA National Risk Index score
Relatively Moderate
FEMA National Risk Index rating
4
FEMA declarations vs 4 national county avg
3
severe storm declarations, the most common hazard here

FEMA's National Risk Index score reflects expected annual loss, social vulnerability, and community resilience; the declaration count above reflects only Presidentially declared disasters, not every hazard event.

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How does Linn County compare?

Linn County vs. every U.S. county

FEMA disaster declarations, all-time

4 Top 43% higher than 57% of 2,791 counties

This county 0 30 all U.S. counties FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-07-25

Linn County's FEMA Risk Index score

FEMA National Risk Index composite score vs. the Oregon county average

0/100100/100Oregon avg63/10088.1/100
FEMA National Risk Index composite score vs. the Oregon county average

How disaster-prone is Linn County?

Declaration frequency

Linn County, Oregon has recorded 4 FEMA disaster declarations between 2020 and 2026, of which 3 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at 0.7 declarations per year across a 6-year record, or roughly 9% above the Oregon county average of 3.7 and 4% above the national county average of 3.8. The dominant disaster type on record is Severe Storm, with 3 of 4 declarations falling under this category.

FEMA National Risk Index

This county sits among the highest-risk counties nationally on FEMA's National Risk Index, a composite score of 88.1/100 (Relatively Moderate). Expected Annual Loss is rated Relatively Moderate (roughly $71.1M in annualized losses). Social vulnerability reads Relatively Moderate and community resilience Relatively High, both critical modifiers of realized harm here. Among the 18 modeled hazards, Earthquake carries the county's highest rating, a mid-range Relatively Moderate.

Flood exposure & the bottom line

Taken together, Linn County reads as low relative risk on this historical lens, fewer federally recognized disasters than a typical U.S. county.

Risk Assessment

Risk Level

Low

vs. Oregon Avg

+9%

State avg: 3.7

vs. National Avg

+4%

National avg: 3.8

Avg Per Year

0.7

Over 6 years

FEMA NRI 8-hazard radar - Linn County

Linn County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard composite scores for Earthquake 48, Flood 0, Hurricane 0, Tornado 8, Wildfire 8, Drought 8, Heat Wave 48, Winter Storm 48. Overall composite 21 of 100, classified Low. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 21 composite
Linn County NRI risk profile FIPS 41043 · composite 21/100 (Low)
How to read this radar

The radar plots Linn County's relative exposure to the eight headline natural hazards used by the FEMA National Risk Index. Each axis is the qualitative NRI risk rating (Very Low through Very High) re-expressed on a 0-100 scale so that the polygon shape lets you compare a county against another at a glance. A rounder polygon means broad multi-hazard exposure; a spiky polygon means one or two dominant hazards drive most of the modeled risk.

FEMA Records

4

Total declarations

NRI Source

FEMA 2023

Latest NRI release

County FIPS

41043

OR state code

Source: FEMA National Risk Index FEMA National Risk Index Per-county per-hazard ratings, 2023 release

Disaster Types

Severe Storm 3
Fire 1

Declaration Types

What DR / EM / FM mean

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Major Disaster - 3 75.0%

of all 4 declarations

Fire Management - 1 25.0%

of all 4 declarations

FEMA Declarations Timeline

Year Declarations
2026 1
2024 1
2021 1
2020 1

Disaster Declarations

DR# Title Type Incident Date
4907 SEVERE STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES DR Severe Storm 2026-04-07
4768 SEVERE WINTER STORMS, STRAIGHT-LINE WINDS, LANDSLIDES, AND MUDSLIDES DR Severe Storm 2024-04-13
4599 SEVERE WINTER STORM DR Severe Storm 2021-05-04
5356 BEACHIE CREEK LIONSHEAD FIRE COMPLEX FM Fire 2020-09-08

Storm Events in Oregon

Storm Type Events Fatalities Injuries Property Damage
High Wind 967 17 15 $3.2B
Heavy Snow 724 2 0 $139.3M
Frost/Freeze 452 0 0 $0
Wildfire 341 17 38 $15.6M
Flood 283 3 1 $69.5M

Source: NOAA Storm Events Database NOAA Storm Events Database State-level aggregated data, 2015–2025

FEMA National Risk Index

Overall Risk

Relatively Moderate

Score: 88.1/100

Expected Annual Loss

Relatively Moderate

$71.1M/year

Social Vulnerability

Relatively Moderate

Community Resilience

Relatively High

Hazard Risk Breakdown

Earthquake Relatively Moderate
Volcanic Activity Relatively Low
Strong Wind Relatively High
Heat Wave Relatively Moderate
Landslide Relatively Low
Lightning Relatively Moderate
Winter Weather Relatively Moderate
Wildfire Very Low
Ice Storm Relatively Low
Avalanche Very Low
Cold Wave Relatively Low
Hail Very Low
Drought Very Low
Tornado Very Low

Source: FEMA National Risk Index (NRI) FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri

Counties with Similar Risk in Oregon

Frequently Asked Questions

How many natural disasters has Linn County, Oregon had?
Linn County, Oregon has received 4 FEMA disaster declarations from 2020 to 2026. Of these, 3 were major disaster declarations.
What is the most common disaster type in Linn County?
The most common disaster type in Linn County is Severe Storm, with 3 declarations. Other disaster types include Fire (1).
How does Linn County's disaster risk compare to the Oregon average?
Linn County has 4 disaster declarations, which is 9% higher than the Oregon county average of 3.7 declarations. Compared to the national county average of 3.8, it is 4% higher.
How many major FEMA disaster declarations has Linn County received?
Linn County has received 3 major disaster declarations, representing 75% of all 4 disaster declarations. Major disaster declarations typically involve significant damage requiring federal assistance.
What types of storms are most common in Oregon?
The most common storm types in Oregon include High Wind (967 events), Heavy Snow (724 events), Frost/Freeze (452 events). NOAA storm event data covers severe weather from 2015 to 2025.
What was the worst year for disasters in Linn County?
The most active year for disaster declarations in Linn County was 2020, with 1 declaration. The county has FEMA disaster data spanning 2020 to 2026.
What is the overall disaster risk level for Linn County?
Linn County's 4 FEMA disaster declarations put it in the low-risk band, fewer federally recognized disasters than a typical U.S. county over the same span.
What is the FEMA National Risk Index score for Linn County?
According to the FEMA National Risk Index, Linn County, Oregon has an overall risk score of 88.1 out of 100 (Relatively Moderate). The county's social vulnerability rating is Relatively Moderate and community resilience is Relatively High. The Expected Annual Loss (EAL) score is Relatively Moderate, representing $71.1M in annualized losses.
Which natural hazard poses the greatest risk to Linn County?
Based on FEMA NRI data, the highest-risk natural hazard in Linn County is Earthquake (risk rating: Relatively Moderate). Other significant hazards include Volcanic Activity (Relatively Low) and Strong Wind (Relatively High). These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.
Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015–2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

What this means for Linn County

Linn County, OR runs 9% above the Oregon county average for federal disaster declarations (4 vs 4), a low historical load overall.

  • Its most common federal declaration type is major disaster (3 of 4) - know the hazards most likely here before they happen. Oregon overview
  • See how this county ranks against the rest of the country for disaster frequency. Most-disaster rankings
  • Read how to read FEMA declarations, NRI risk scores, and what they do and don't tell you. Disaster-data guide

Historical declaration counts describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.

All federal data sources used on this page
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial

Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →

Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. This page draws directly on FEMA federal disaster data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, or report a data error.