Fatal Crash Data

Fatal crashes in San Diego County, California

In 2024, 303 people died in 282 fatal crashes in San Diego County, 5.2% more than in 2023. From 2015 to 2024 the county recorded 2,565 fatal crashes and 2,735 deaths, the 4th most of any county in California.

9.2 deaths per 100,000 residents, against 9.8 across California in 2024; 8.3 against 10.1 a year over 2015 to 2024. Population 3,298,799, Census Bureau estimate. All fatal crashes in California.

Deaths in San Diego County by year

100200300201620182020202220242021: 3162024: 303
YearFatal crashesDeaths
2024282303
2023271288
2022272286
2021298316
2020270293
2019240253
2018252267
2017223240
2016229243
2015228246

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

The deadliest roads in San Diego County

I-5 had the most fatal crashes of any numbered road in San Diego County from 2015 to 2024: 237, with 262 deaths. The 15 roads listed held 39% of all fatal crashes in San Diego County from 2015 to 2024; 4 are interstates, 11 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-523726274
2I-812513237
3I-1511412831
4State Highway 7810411633
5State Highway 9410010639
6I-805748028
7State Highway 76657420
8State Highway 67404116
9State Highway 7929294
10State Highway 16325297no page
11State Highway 1519198no page
12State Highway 5218205no page
13State Highway 12516184no page
14State Highway 5416174no page
15State Highway 90513148no page

Cities NHTSA filed, with their fatal crashes from 2015 to 2024: San Diego 854, Chula Vista 117, Oceanside 111, El Cajon 102, Escondido 91, Vista 64, National City 60, Carlsbad 49. 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 San Diego County

The heaviest slot is Friday, 8 pm to midnight, with 114 fatal crashes from 2015 to 2024. The worst hour is 8 pm to 9 pm; the worst month is December.

Share of fatal crashes in San Diego 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
Sun4.0 percent, 100 fatal crashes2.2 percent, 55 fatal crashes1.7 percent, 42 fatal crashes2.4 percent, 60 fatal crashes3.6 percent, 92 fatal crashes3.8 percent, 96 fatal crashes
Mon1.4 percent, 36 fatal crashes2.1 percent, 53 fatal crashes1.0 percent, 26 fatal crashes1.7 percent, 43 fatal crashes2.8 percent, 72 fatal crashes3.0 percent, 77 fatal crashes
Tue1.6 percent, 40 fatal crashes1.6 percent, 40 fatal crashes1.1 percent, 29 fatal crashes2.0 percent, 51 fatal crashes2.8 percent, 72 fatal crashes2.6 percent, 65 fatal crashes
Wed1.5 percent, 38 fatal crashes2.2 percent, 55 fatal crashes1.1 percent, 29 fatal crashes1.9 percent, 48 fatal crashes2.3 percent, 59 fatal crashes3.4 percent, 87 fatal crashes
Thu1.4 percent, 36 fatal crashes2.0 percent, 50 fatal crashes1.5 percent, 37 fatal crashes1.3 percent, 34 fatal crashes3.0 percent, 77 fatal crashes4.0 percent, 100 fatal crashes
Fri2.0 percent, 51 fatal crashes1.1 percent, 29 fatal crashes1.5 percent, 39 fatal crashes2.1 percent, 53 fatal crashes4.4 percent, 111 fatal crashes4.5 percent, 114 fatal crashes
Sat3.8 percent, 96 fatal crashes1.9 percent, 47 fatal crashes1.9 percent, 47 fatal crashes2.6 percent, 67 fatal crashes2.8 percent, 72 fatal crashes4.1 percent, 104 fatal crashes

By hour

By month

  • Jan8.4%
  • Feb7.8%
  • Mar7.8%
  • Apr7.3%
  • May6.9%
  • Jun8.0%
  • Jul8.5%
  • Aug8.7%
  • Sep8.9%
  • Oct9.2%
  • Nov9.3%
  • Dec9.3%

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

What fatal crashes in San Diego County first hit

The first harmful event was a pedestrian in 31%; a collision with another vehicle in 28%, a fixed object such as a tree, pole or barrier in 24%, a rollover in 6.8%.

First harmful eventFatal crashesShare
Pedestrian79531%
Collision with another vehicle70828%
Fixed object (tree, pole, barrier, ditch)61024%
Rollover1746.8%
Other1315.1%
Cyclist752.9%
Parked vehicle722.8%
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 San Diego County compare with California

A drinking driver was recorded in 28% of fatal crashes in San Diego County from 2015 to 2024, about the California share; speeding in 30%, about the California share; a hit-and-run in 10%, about the California share; a driver recorded as distracted in 4.1%, about the California share; 38% of passenger-vehicle occupants killed with belt use known were unbelted, about the California share. Shares of fatal crashes from 2015 to 2024, against the share across all of California. A share is only given over 20 crashes.

San DiegoCalifornia
On rural roads19%30%below the California share
At or near an intersection22%27%below the California share
In the dark, road unlit25%25%about the same as the California share
A drinking driver28%28%about the same as the California share
Speeding30%30%about the same as the California share
A distracted driver (as recorded)4.1%4.1%about the same as the California share
Occupants killed unbelted38%38%about the same as the California share
Hit-and-run10%11%about the same as the California share
A motorcycle involved20%15%above the California share
Pedestrians among the dead32%26%above the California 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 San Diego County

How many people died in car accidents in San Diego County in 2024?
303 people died in 282 fatal crashes in San Diego County, California, in 2024, 5.2% more than in 2023. That is 9.2 deaths per 100,000 residents, against 9.8 across California.
What is the deadliest road in San Diego County?
I-5 had the most fatal crashes of any numbered road in San Diego County from 2015 to 2024: 237, with 262 deaths.
When do fatal crashes in San Diego County happen most often?
The heaviest slot from 2015 to 2024 was Friday, 8 pm to midnight, with 114 fatal crashes.
How many fatal crashes in San Diego County involved a drinking driver?
720 of 2,565 fatal crashes in San Diego County from 2015 to 2024 involved a driver NHTSA recorded as drinking, 28%, against 28% across California.

Other counties in California with a page

All fatal crashes in California, with every county ranked.

Where the San Diego County numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash NHTSA filed in San Diego County (county code 73). 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.