Fatal Crash Data

Fatal crashes in Snohomish County, Washington

In 2024, 64 people died in 59 fatal crashes in Snohomish County, 48.8% more than in 2023. From 2015 to 2024 the county recorded 443 fatal crashes and 474 deaths, the 3rd most of any county in Washington.

7.4 deaths per 100,000 residents, against 9.2 across Washington in 2024; 5.8 against 8.2 a year over 2015 to 2024. Population 864,113, Census Bureau estimate. All fatal crashes in Washington.

Deaths in Snohomish County by year

204060201620182020202220242024: 64
YearFatal crashesDeaths
20245964
20234143
20225760
20213438
20204548
20193940
20183942
20173942
20164144
20154953

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

The deadliest roads in Snohomish County

I-5 had the most fatal crashes of any numbered road in Snohomish County from 2015 to 2024: 44, with 47 deaths. The 12 roads listed held 44% of all fatal crashes in Snohomish County from 2015 to 2024; 2 are interstates, 1 US route, 9 state highways. Interstate, US and state routes with 5 or more fatal crashes in the county; county roads and city streets are in the county's total but not listed.

RoadFatal crashesDeaths2022 to 2024
1I-5444711
2State Highway 99383921
3US 226297
4State Highway 920245no page
5State Highway 53016166no page
6State Highway 52711115no page
7State Highway 52911112no page
8State Highway 526660no page
9State Highway 532664no page
10I-405552no page
11State Highway 204553no page
12State Highway 92553no page

Cities NHTSA filed, with their fatal crashes from 2015 to 2024: Everett 107, Marysville 19, Lynnwood 18, Lake Stevens 14, Arlington 8, Mountlake Terrace 8, Mill Creek 7, Monroe 5. The city is not filed for crashes outside a city.

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

When fatal crashes happen in Snohomish County

The heaviest slot is Friday, 4 to 8 pm, with 25 fatal crashes from 2015 to 2024. The worst hour is 6 pm to 7 pm; the worst month is August.

Share of fatal crashes in Snohomish County by weekday and time of day, 2015 to 2024, in percent
Midnight to 44 to 8 am8 to noonNoon to 44 to 8 pm8 to midnight
Sun4.3 percent, 19 fatal crashes2.0 percent, 9 fatal crashes1.4 percent, 6 fatal crashes3.8 percent, 17 fatal crashes2.9 percent, 13 fatal crashes3.2 percent, 14 fatal crashes
Mon1.6 percent, 7 fatal crashes1.8 percent, 8 fatal crashes0.9 percent, 4 fatal crashes2.7 percent, 12 fatal crashes1.6 percent, 7 fatal crashes2.9 percent, 13 fatal crashes
Tue2.3 percent, 10 fatal crashes1.4 percent, 6 fatal crashes1.1 percent, 5 fatal crashes1.1 percent, 5 fatal crashes2.9 percent, 13 fatal crashes4.1 percent, 18 fatal crashes
Wed0.7 percent, 3 fatal crashes1.4 percent, 6 fatal crashes1.6 percent, 7 fatal crashes2.7 percent, 12 fatal crashes2.7 percent, 12 fatal crashes2.5 percent, 11 fatal crashes
Thu1.1 percent, 5 fatal crashes1.8 percent, 8 fatal crashes1.1 percent, 5 fatal crashes2.5 percent, 11 fatal crashes3.2 percent, 14 fatal crashes2.0 percent, 9 fatal crashes
Fri1.6 percent, 7 fatal crashes1.1 percent, 5 fatal crashes1.6 percent, 7 fatal crashes3.4 percent, 15 fatal crashes5.7 percent, 25 fatal crashes4.3 percent, 19 fatal crashes
Sat4.5 percent, 20 fatal crashes0.7 percent, 3 fatal crashes1.1 percent, 5 fatal crashes2.7 percent, 12 fatal crashes4.3 percent, 19 fatal crashes3.6 percent, 16 fatal crashes

By hour

By month

  • Jan7.2%
  • Feb5.6%
  • Mar9.9%
  • Apr6.8%
  • May6.5%
  • Jun6.5%
  • Jul9.7%
  • Aug10.4%
  • Sep10.2%
  • Oct8.1%
  • Nov8.6%
  • Dec10.4%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

What fatal crashes in Snohomish County first hit

The first harmful event was a collision with another vehicle in 37%; a fixed object such as a tree, pole or barrier in 26%, a pedestrian in 25%, a rollover in 5.0%.

First harmful eventFatal crashesShare
Collision with another vehicle16237%
Fixed object (tree, pole, barrier, ditch)11326%
Pedestrian11025%
Other235.2%
Rollover225.0%
Cyclist71.6%
Parked vehicle61.4%
Not reported00.0%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

How fatal crashes in Snohomish County compare with Washington

A drinking driver was recorded in 29% of fatal crashes in Snohomish County from 2015 to 2024, below the Washington share of 31%; speeding in 32%, about the Washington share; a hit-and-run in 8.4%, above the Washington share of 6.3%; a driver recorded as distracted in 22%, about the Washington share; 39% of passenger-vehicle occupants killed with belt use known were unbelted, below the Washington share of 40%. Shares of fatal crashes from 2015 to 2024, against the share across all of Washington. A share is only given over 20 crashes.

SnohomishWashington
On rural roads26%42%below the Washington share
At or near an intersection24%26%below the Washington share
In the dark, road unlit22%24%below the Washington share
A drinking driver29%31%below the Washington share
Speeding32%31%about the same as the Washington share
A distracted driver (as recorded)22%21%about the same as the Washington share
Occupants killed unbelted39%40%below the Washington share
Hit-and-run8.4%6.3%above the Washington share
A motorcycle involved21%17%above the Washington share
Pedestrians among the dead25%18%above the Washington share

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Questions about fatal crashes in Snohomish County

How many people died in car accidents in Snohomish County in 2024?
64 people died in 59 fatal crashes in Snohomish County, Washington, in 2024, 48.8% more than in 2023. That is 7.4 deaths per 100,000 residents, against 9.2 across Washington.
What is the deadliest road in Snohomish County?
I-5 had the most fatal crashes of any numbered road in Snohomish County from 2015 to 2024: 44, with 47 deaths.
When do fatal crashes in Snohomish County happen most often?
The heaviest slot from 2015 to 2024 was Friday, 4 to 8 pm, with 25 fatal crashes.
How many fatal crashes in Snohomish County involved a drinking driver?
128 of 443 fatal crashes in Snohomish County from 2015 to 2024 involved a driver NHTSA recorded as drinking, 29%, against 31% across Washington.

Other counties in Washington with a page

All fatal crashes in Washington, with every county ranked.

Where the Snohomish County numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash NHTSA filed in Snohomish County (county code 61). A fatal crash is one in which someone died within 30 days. The rate per 100,000 uses the Census Bureau's population estimate for the county; it is the only figure here not counted from FARS. The full method.