How many car accidents occur in Jefferson County each year?

Jefferson County experiences approximately 23,555 car accidents annually, including 147 fatal crashes and 7,779 injury accidents.

What is the most common type of car accident in Jefferson County?

The most common type of car accident in Jefferson County is Motor Vehicle Crash collisions, accounting for approximately 10,225 incidents per year.

When do most car accidents occur in Jefferson County?

Most car accidents in Jefferson County occur during the evening rush hour (3-7 PM), with approximately 5,304 crashes during this period.

What should I do after a car accident in Jefferson County?

After a car accident in Jefferson County, you should: 1) Ensure everyone's safety and call 911 if needed, 2) Exchange information with other drivers, 3) Document the scene with photos, 4) Report the accident to police, 5) Seek medical attention, 6) Contact your insurance company, and 7) Consider consulting with a personal injury attorney.

How do weather conditions affect accidents in Jefferson County?

Weather significantly impacts accident rates in Jefferson County. While most accidents (18,140) occur in clear conditions, snow and icy conditions lead to approximately many accidents per year, often with more severe outcomes.

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Colorado County Data

Car Accidents in Jefferson County, Colorado

Name: Jefferson County Car Accident Data
Creator: CrashStory
License: https://creativecommons.org/licenses/by/4.0/

Jefferson County has 23,555 reported crashes, 7,779 injuries, and 147 fatalities. Review roads with the most car accidents, recent incidents, and multi-year trend shifts below.

Last updated: 2026-03-23

Total Crashes

23,555

Injuries

7,779

Fatalities

147

County Crash Rank

Out of 64 counties

Recent Crashes

Mar 23, 2026

Property Damage

W EVANS AVE & H121

Property Damage collision with no injuries reported in current record.

Mar 20, 2026

Minor Injury

Top Roads With the Most Car Accidents in Jefferson County

Wadsworth Boulevard

1892

crashes

12 fatalities

562 injuries

See Wadsworth Boulevard car accident data

Interstate 70

High-Crash Census Tracts in Jefferson County

Census tracts show which smaller areas inside Jefferson County carry the highest crash volume in the active CrashStory dataset.

Census Tract

Census Tract 104.03

2025 snapshot + all-time context

53.8 / 1k in 2025

2025 Crashes

322

2025 Injuries

Serious or Fatal

All-Time Crashes

1,014

Population: 5,985
Density / sq. mi.: 3,797

View tract page

Census Tract

Census Tract 112.02

2025 snapshot + all-time context

48.8 / 1k in 2025

2025 Crashes

239

2025 Injuries

Crash Statistics for Jefferson County

Coverage window: Jan 1, 2023 - Mar 23, 2026

23,555

Total Crashes

147

Fatalities

7,779

Injuries

Motor Vehicle Crash

Most Common Type

Crash Totals by Year

Data coverage: Jan 1, 2023 - Mar 23, 2026

Year	Total Crashes	Fatalities	Injuries	Most Common Type
2026	803	2	271	Motor Vehicle Crash
2025	7,596	42	2,561	Motor Vehicle Crash
2024	8,993	61	2,839	Motor Vehicle Crash
2023	6,168	42	2,108	Motor Vehicle Crash

Yearly rows are shown to make trend direction and recency explicit for Jefferson County.

Loading trend chart...

Crashes by Type

Motor Vehicle Crash10,225 (43.4%)

Rear-End Collision5,830 (24.8%)

Broadside (T-Bone)2,615 (11.1%)

Sideswipe (Same Direction)2,402 (10.2%)

Parked Vehicle Collision1,061 (4.5%)

Rollover322 (1.4%)

Pedestrian Crash262 (1.1%)

Bicycle Crash243 (1.0%)

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Major Highways Through Lakewood

Explore crash data along the highways and interstates that pass through or near Lakewood.

Interstate 70Major east-west interstate through Denver and the mountai...

US Highway 6Historic route through Clear Creek Canyon and mountain co...

Nearby Colorado Counties â€” Crash Data & Lawyers

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Boulder County

Fatal Car Accidents in Jefferson County â€” Statistics & Safety Data

Jefferson County has recorded 147 fatal car accidents in the most recent reporting period. Understanding fatality trends helps promote safer driving across the county. Data is sourced from Colorado crash records.

View Statewide Fatality Statistics County Safety Rankings

Explore Lakewood Accidents by Crash Type

Rear-End Accidents Pedestrian Accidents Drunk Driving Accidents Truck Accidents

Injured in a Colorado Car Accident?

Car Accidents in Jefferson County, Colorado

Recent Crashes

Top Roads With the Most Car Accidents in Jefferson County

Wadsworth Boulevard

Interstate 70

High-Crash Census Tracts in Jefferson County

Census Tract 104.03

Census Tract 112.02

Crash Statistics for Jefferson County

Crash Totals by Year

Crashes by Type

Find a Lawyer in Lakewood

Major Highways Through Lakewood

Nearby Colorado Counties â€” Crash Data & Lawyers

Fatal Car Accidents in Jefferson County â€” Statistics & Safety Data

Explore Lakewood Accidents by Crash Type

Sheridan Boulevard

Colfax Avenue

Kipling Street

Kipling Parkway

US Highway 285

6th Avenue

C-470

State Highway 121

Census Tract 105.02

Census Tract 104.05

Census Tract 116.01

Census Tract 104.06

Census Tract 110

Census Tract 98.58

Monthly Crash Trends

Frequently Asked Questions