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2025 County Report

Fires in Benton County, OR

In 2025, fire departments serving Benton County responded to 564 fire and hazmat incidents — including a single $1.4M property loss.

68,267 residents FIPS 41003 27 cities · 0 fire depts
Total incidents
564
1,561 across 5 years
Building fires
29
109 wildland
Property loss
$2.9M
$2.6M structure · $266K contents
Casualties
0 / 2
0 civ deaths · 1 civ inj · 1 FF inj
01 The mix

What kinds of fires happen here?

Unauthorized burning lead by count. Top five categories make up about 50% of all calls.

564
Total Incidents
Unauthorized burning 75 13.3%
Power line down 69 12.2%
Brush, or brush and grass mixture fire 62 11.0%
Gas leak (natural gas or LPG) 43 7.6%
Authorized controlled burning 35 6.2%
All other categories 280 49.6%
02 Seasonality

When do fires happen in Benton County?

Oct peaks. Jan dips.

Jan 8
Feb 18
Mar 19
Apr 49
May 47
Jun 55
Jul 67
Aug 74
Sep 58
Oct 75
Nov 38
Dec 56
03 Five-year trend

Year over year in Benton County

1,561 incidents from 2021 through 2025.

YearIncidents 
2021 526
2022 317
2023 72
2024 82
2025 564
04 Cause of ignition

What sparks building fires?

For the 29 building fires departments responded to in 2025, here's how investigators classified them.

Unintentional
42%
62
Cause undetermined
33%
49
Intentional / arson
14%
20
Equipment / heat source failure
9%
13
Under investigation
2%
3
Act of nature (lightning)
0%
1
05 The biggest fires

10 fires · $2.3M in losses

Largest single-incident property losses in Benton County during 2025. These 10 fires alone account for 89% of the county's total.

#Property lossCityTypeSeverity
1 $1,400,000 Corvallis Road freight or transport vehicle fire Major
2 $500,000 Corvallis Building fires Major
3 $100,000 Corvallis Building fires Significant
4 $100,000 Corvallis Building fires Significant
5 $50,000 Corvallis Road freight or transport vehicle fire Significant
6 $50,000 Corvallis Building fires Significant
7 $50,000 Corvallis Building fires Significant
8 $33,000 Corvallis Outside equipment fire Significant
9 $30,000 Philomath Passenger vehicle fire Significant
10 $30,000 Corvallis Brush, or brush and grass mixture fire Significant
06 How Benton County compares

Benton County vs OR vs the nation

Per-capita rates let us compare apples to apples.

8.26
Incidents per 1,000 residents
Benton County
8.26
OR avg
8.47
US avg
7.15
0.42
Building fires per 1,000 residents
Benton County
0.42
OR avg
0.83
US avg
0.82
0
Civilian fire deaths per million
Benton County
0
OR avg
3.8
US avg
5.8
07 Cities in this county

Largest cities in Benton County

12 cities mapped to FIPS 41003.

09 Historical wildfires

Largest fires recorded in OR

Top 10 fire perimeters by acres burned (state-scoped fallback while we build out per-county polygons).

#NameYearAgencyAcres
1 Bootleg 2021 USFS 413,715
2 Saddle Draw 2014 BLM 280,310
3 LIONSHEAD 2020 BIA 198,346
4 Beachie Creek 2020 USFS 193,565
5 Chetco Bar 2017 BLM 190,524
6 Monkey Creek 2024 BLM 178,541
7 RAIL RIDGE 2024 BLM 176,660
8 Double Creek 2022 USFS 175,937
9 Klondike 2018 BLM 173,614
10 Holiday Farm 2020 USFS 173,392

About this data

County-level NFIRS aggregates for 2025, plus 5-year totals across 2021–2025. NFIRS is voluntary — about 23,000 of roughly 30,000 US fire departments report — so totals are a strong indicator, not a complete census. Wildfire risk score (0–100) and Expected Annual Loss come from FEMA's National Risk Index. Drought class is the most recent USDM classification (D0 = abnormally dry through D4 = exceptional drought). Historical fire perimeters are sourced from the NIFC InterAgency Fire Perimeter History.