Washington County, Oregon: fatal crash statistics

Counties of Oregon by year (CSV)Cite this page

FARS records 35 deaths in 34 fatal crashes in Washington County in 2024.

FARS records 287 deaths in 275 fatal crashes in the county from 2015 to 2024.

From 2015 to 2024 the rate is 4.8 deaths for each 100,000 residents in a year.

The rate of Oregon in the same years is 12.4.

By deaths from 2015 to 2024, Washington County was number 6 of 36 counties of Oregon.

Deaths in Washington County rose by 29.9% between the ten years 2005 to 2014 (221) and the ten years 2015 to 2024 (287).

In the counties of Oregon the deaths rose by 34.7% between the same years.

From 2015 to 2024, 28.4% of the fatal crashes in Washington County with a known setting were rural, against 55.2% in Oregon.

To qualify as a FARS case, the crash had to involve a motor vehicle traveling on a trafficway customarily open to the public and must have resulted in the death of a motorist or a non-motorist within 30 days of the crash.
The set of first files, known as the Annual Report File (ARF), is released following the crash year. The ARF is replaced about a year later with a final file, which contains additional cases or updates to cases that had become available after the ARF was released.
NHTSA's words. Source: NHTSA, Fatality Analysis Reporting System Analytical User's Manual, 1975-2024 (DOT HS 813 794, April 2026), copied on 2 Oct 2026.

This page rests on the FARS 2024 annual file. NHTSA released it on 1 Apr 2026. NHTSA can revise the counts in the final file. Release dates

Figure 1.Deaths in Washington County by year, 2015 to 2024

Table 1 has the numbers. Go to the table

Since the last update: no figure of this county has a change on record.

Deaths and fatal crashes by year

Table 1.Washington County: deaths and fatal crashes by year, 2015 to 2024
Year	Deaths	Fatal crashes	Crashes with a driver recorded as drinking
2024	35	34	10
2023	42	39	10
2022	29	26	6
2021	21	21	5
2020	23	23	6
2019	31	30	4
2018	27	25	1 or 2
2017	21	21	8
2016	30	28	11
2015	28	28	7
2015 to 2024	287	275	69

Each year from 1975

Figure 2.Deaths in Washington County by year, 1975 to 2024

Tallest column: 49 (1978)2024: 35

The columns with a stronger shade are the years 2015 to 2024.

Table 2.Washington County: deaths and fatal crashes by year, 1975 to 2024
Year	Deaths	Fatal crashes
2024	35	34
2023	42	39
2022	29	26
2021	21	21
2020	23	23
2019	31	30
2018	27	25
2017	21	21
2016	30	28
2015	28	28
2014	16	15
2013	21	19
2012	19	18
2011	13	13
2010	11	10
2009	20	17
2008	27	23
2007	27	25
2006	37	33
2005	30	29
2004	31	30
2003	27	23
2002	36	28
2001	34	31
2000	33	31
1999	28	26
1998	37	30
1997	32	30
1996	28	23
1995	38	35
1994	25	24
1993	36	28
1992	13	13
1991	25	21
1990	30	25
1989	24	23
1988	32	27
1987	39	35
1986	31	31
1985	35	31
1984	28	20
1983	34	28
1982	36	33
1981	28	26
1980	38	38
1979	43	41
1978	49	43
1977	41	37
1976	31	26
1975	27	23

Note: a count of 1 or 2 is written "1 or 2". A death is in FARS when it occurs in 30 days or less after the crash.

Rate for each 100,000 residents

Table 3.Washington County beside Oregon and the United States: deaths for each 100,000 residents
Period	Washington County	Oregon	United States
2024	5.8	12.6	11.5
2015 to 2024, in a year	4.8	12.4	11.8

Note: the rate divides the deaths in the county by its residents. Persons who do not live in the county are in the deaths, not in the residents.

Population: Census Bureau estimates, vintage 2025. Washington County had 608,613 residents in 2024.

Factors that NHTSA records

Table 4.Washington County: counts by recorded factor, 2015 to 2024
Factor	Count	Counted among	Share	Share in Oregon
A driver recorded as drinkingof 275 fatal crashes	69	275 fatal crashes	25.1%	31.0%
A speeding-related driverof 275 fatal crashes	81	275 fatal crashes	29.5%	30.1%
No restraint usedof 123 occupant deaths with restraint use known	34	123 occupant deathswith restraint use known	27.6%	35.0%
Pedestriansof 287 deaths	82	287 deaths	28.6%	16.2%
Bicyclistsof 287 deaths	9	287 deaths	3.1%	2.3%
Motorcyclistsof 287 deaths	41	287 deaths	14.3%	13.9%
On a rural roadof 275 fatal crashes with the condition reported	78	275 fatal crasheswith the condition reported	28.4%	55.2%
In the darkof 265 fatal crashes with the condition reported	136	265 fatal crasheswith the condition reported	51.3%	45.0%

Note: FARS records a driver as drinking when police reported alcohol involvement or a test of the driver was positive for alcohol. It is not NHTSA's alcohol-impaired measure, which uses a blood alcohol concentration of .08 g/dL or higher. One crash can be in two or more rows. NHTSA's definitions

Note that alcohol data is often missing. For that reason, this data element may under-count the actual number of drinking drivers.

NHTSA's words. Source: NHTSA, Fatality Analysis Reporting System Analytical User's Manual, 1975-2024 (DOT HS 813 794, April 2026), copied on 2 Oct 2026.

Weekday, time and road class

Table 5.Washington County: fatal crashes by weekday and time of day, 2015 to 2024
Weekday	Midnight to 6 a.m.	6 a.m. to noon	Noon to 6 p.m.	6 p.m. to midnight	All
Sunday	8	1 or 2	6	15	31
Monday	11	10	12	15	48
Tuesday	1 or 2	7	12	13	34
Wednesday	8	10	12	11	41
Thursday	1 or 2	10	10	14	36
Friday	4	7	12	13	36
Saturday	11	7	9	19	46
All days	46	53	73	100	272

Note: a cell with a stronger shade has a larger count. The table has the fatal crashes with a known hour and weekday.

Table 6.Washington County: fatal crashes by road function class, 2015 to 2024
Road function class	Fatal crashes	Share	Share in Oregon
Interstate	6	2.2%	8.4%
Other freeways and expressways	10	3.6%	0.8%
Other principal arterial	97	35.3%	39.6%
Minor arterial	113	41.1%	22.1%
Major collector	34	12.4%	18.9%
Minor collector	5	1.8%	3.9%
Local	10	3.6%	6.3%
Not reported	0	n/a	n/a

Note: the classes are those of the Federal Highway Administration. The shares are of the crashes with a reported class. Road function classes

Light condition and weather

Table 7.Washington County: fatal crashes by light condition, 2015 to 2024
Light condition	Fatal crashes
Daylight	118
Dark, not lighted	54
Dark, lighted	72
Dawn	6
Dusk	5
Dark, lighting unknown	10
Other or unknown	10

Table 8.Washington County: fatal crashes by weather, 2015 to 2024
Weather	Fatal crashes
Clear	134
Cloudy	60
Rain	42
Snow, sleet or freezing rain	1 or 2
Fog, smog or smoke	3
Crosswinds or blowing sand/snow	0
Other or not reported	35

Routes in the county

Table 9.Signed routes in Washington County that have a page: fatal crashes, 2015 to 2024
Route	Type	In Washington	In all of Oregon
Interstate 5	Interstate	6	212
State Route 6	State highway	10	20
State Route 8	State highway	37	37
State Route 47	State highway	12	23
State Route 99	State highway	10	160
State Route 99W	State highway	5	37
US Route 26	US highway	24	165

Note: the table has each route with a page that has a fatal crash in the county, in name order. Local streets and county roads have no page. Their crashes are in the county totals. All routes in Oregon

Adjacent counties

These lists are for navigation. They are in name order.

Figure 3.Washington County on the county map of Oregon

Deaths for each 100,000 residents in a year, 2015 to 2024

Fewer than 104 counties
10 to 14.910 counties
15 to 19.95 counties
20 to 29.97 counties
30 or more10 counties
Washington County: 4.8

The limits of the classes are the same for every state. A county with few residents can show a high rate from few deaths. A class is not a judgement of a county. The full map and the table of counties of Oregon

Table 10.Counties that share a boundary line with Washington County
County	State	Deaths, 2024	Deaths, 2015 to 2024	For each 100,000 residents in a year
Clackamas County	Oregon	38	358	8.6
Columbia County	Oregon	6	67	12.8
Multnomah County	Oregon	78	689	8.6
Tillamook County	Oregon	5	86	31.9
Yamhill County	Oregon	12	131	12.3

Source of the list: Census Bureau county adjacency file, 2026 edition.

Counties of similar population

These counties of Oregon have a population nearest to that of Washington County. The list is for navigation and is in name order. The number is the deaths from 2015 to 2024.

Official channels

NHTSA Fatality and Injury Reporting System Tool (FIRST)NHTSA's query tool for FARS counts.
NHTSA FARS EncyclopediaNHTSA's tables of FARS data.
Oregon Transportation Safety OfficeThe highway safety office of Oregon.

These links go to the sites of the agencies. They were checked on 2 Oct 2026.

Cite this page

Fatal Roads. Washington County, Oregon: fatal crash statistics. https://fatalroads.com/county/or/washington/. Source: National Highway Traffic Safety Administration, Fatality Analysis Reporting System, FARS 2024 annual file. Data to 31 Dec 2024.

The address of this page does not change.

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Source of the figures

Counts: National Highway Traffic Safety Administration, Fatality Analysis Reporting System, national files of 1975 to 2024. The factors use the vehicle and person files from 2015. Residents: Census Bureau, Population Estimates Program, vintage 2025. Map: Census Bureau cartographic boundary file, 2021 edition. Data to 31 Dec 2024. The figures are totals. No page of this site is about one crash or one person.

How the figures are made. Data sources and licences. Corrections.

Questions

How many deaths did FARS record in Washington in the ten years before 2015?

FARS records 221 deaths in Washington County from 2005 to 2014. It records 287 deaths from 2015 to 2024.

What was the rate of Washington in 2024?

The rate of Washington County in 2024 was 5.8 deaths for each 100,000 residents. The rate of Oregon was 12.6. The rate of the United States was 11.5.

How many fatal crashes in Washington had a driver recorded as drinking?

FARS records a driver as drinking in 69 of 275 fatal crashes from 2015 to 2024. This count is not NHTSA's alcohol-impaired measure. NHTSA says that alcohol data is often missing, so the count may be too low.

How many fatal crashes did FARS record on signed routes in Washington?

7 signed routes in the county have a page. FARS records 104 fatal crashes on them in the county from 2015 to 2024. The table of routes on this page gives the count for each route.