How many car accidents occur in Jefferson County each year?

Jefferson County experiences approximately 5,216 car accidents annually, including 34 fatal crashes and 1,420 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 4,319 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 374 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 (3,086) 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 5,216 reported crashes, 1,420 injuries, and 34 fatalities. Review roads with the most car accidents, recent incidents, and multi-year trend shifts below.

Last updated: 2026-02-22

Total Crashes

5,216

Injuries

1,420

Fatalities

County Crash Rank

Out of 64 counties

Recent Crashes

Feb 22, 2026

Property Damage

18400 HWY 6 WB & Jefferson County Parkway

Property Damage collision with no injuries reported in current record.

Feb 19, 2026

Property Damage

Top Roads With the Most Car Accidents in Jefferson County

Sheridan Boulevard

1077

crashes

3 fatalities

231 injuries

See Sheridan Boulevard car accident data

Wadsworth Boulevard

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 116.01

2025 snapshot + all-time context

12.3 / 1k in 2025

2025 Crashes

2025 Injuries

Serious or Fatal

All-Time Crashes

262

Population: 4,378
Density / sq. mi.: 5,893

View tract page

Census Tract

Census Tract 118.06

2025 snapshot + all-time context

9.8 / 1k in 2025

2025 Crashes

2025 Injuries

Crash Statistics for Jefferson County

Coverage window: Jan 2, 2020 - Feb 22, 2026

5,216

Total Crashes

Fatalities

1,420

Injuries

Motor Vehicle Crash

Most Common Type

Crash Totals by Year

Data coverage: Jan 2, 2020 - Feb 22, 2026

Year	Total Crashes	Fatalities	Injuries	Most Common Type
2026	305	0	95	Motor Vehicle Crash
2025	700	4	206	Motor Vehicle Crash
2024	736	8	217	Motor Vehicle Crash
2023	2,825	19	870	Motor Vehicle Crash
2022	222	2	14	Motor Vehicle Crash
2021	232	0	6	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 Crash4,319 (82.8%)

Rear-End Collision368 (7.1%)

Sideswipe (Same Direction)160 (3.1%)

Broadside (T-Bone)158 (3.0%)

Fixed-Object Collision72 (1.4%)

Pedestrian Crash58 (1.1%)

Parked Vehicle Collision20 (0.4%)

Bicycle Crash16 (0.3%)

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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

Adams County

Arapahoe County

Boulder County

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

Jefferson County has recorded 34 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

Sheridan Boulevard

Wadsworth Boulevard

High-Crash Census Tracts in Jefferson County

Census Tract 116.01

Census Tract 118.06

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

Interstate 70

WADSWORTH BLVD

6th Avenue

C-470

Colfax Avenue

S WADSWORTH BLVD

I-70

W COLFAX AVE

Census Tract 106.04

Census Tract 115.52

Census Tract 604

Census Tract 120.50

Census Tract 114.01

Census Tract 107.02

Monthly Crash Trends

Frequently Asked Questions