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Colorado County Data

Car Accidents in Boulder County, Colorado

Boulder County has 12,177 reported crashes, 4,373 injuries, and 62 fatalitiesin the current CrashStory dataset. Review roads with the most car accidents, recent incidents, and multi-year trend shifts for the county.

Last updated: 2026-02-13

Total Crashes

12,177

Injuries

4,373

Fatalities

62

County Crash Rank

#9

Out of 64 counties

Recent Crashes

Top Roads With the Most Car Accidents in Boulder County

1

Main Street

Main Street
742
crashes
1 fatalities
276 injuries
See Main Street car accident data
2

US Highway 287

US Highway 287
686
crashes
12 fatalities
293 injuries
See US Highway 287 car accident data
3

US Highway 36

US Highway 36
650
crashes
8 fatalities
317 injuries
See US Highway 36 car accident data
4

Ken Pratt Boulevard

Ken Pratt Boulevard
549
crashes
5

State Highway 119

State Highway 119
504
crashes
6

Hover Street

Hover Street
407
crashes
3 fatalities
166 injuries
See Hover Street car accident data
7

28th Street

28th Street
351
crashes
0 fatalities
130 injuries
See 28th Street car accident data
8

Arapahoe Avenue

Arapahoe Avenue
298
crashes
9

Broadway

Broadway
297
crashes
2 fatalities
88 injuries
See Broadway car accident data
10

Baseline Road

Baseline Road
279
crashes
0 fatalities
100 injuries
See Baseline Road car accident data

Crash Statistics for Boulder County

Coverage window: Jan 1, 2023 - Feb 13, 2026

12,177
Total Crashes
62
Fatalities
4,373
Injuries
REAR_END
Most Common Type

Crash Totals by Year

Data coverage: Jan 1, 2023 - Feb 13, 2026

YearTotal CrashesFatalitiesInjuriesMost Common Type
2026803Rear-End Collision
20253,997161,402Rear-End Collision
20245,146231,856Rear-End Collision
20233,026231,112Rear-End Collision

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

Boulder County Crash Trend

Reported incidents over time

Trend data is currently unavailable for county: boulder-county.

Crashes by Type

REAR_END3,873 (31.8%)
NOT_APPLICABLE3,214 (26.4%)
BROADSIDE1,632 (13.4%)
SIDESWIPE_SAME1,181 (9.7%)
PARKED_VEHICLE1,068 (8.8%)
BICYCLE360 (3.0%)
PEDESTRIAN220 (1.8%)
WILD_ANIMAL198 (1.6%)

Monthly Crash Trends

Coverage window: Jan 1, 2023 - Feb 13, 2026

1,236 crashes
Jan
1,186 crashes
Feb
1,030 crashes
Mar
1,138 crashes
Apr
1,301 crashes
May
1,177 crashes
Jun
1,127 crashes
Jul
865 crashes
Aug
873 crashes
Sep
821 crashes
Oct
599 crashes
Nov
824 crashes
Dec
Average: 1,015 crashes per month

Frequently Asked Questions

Boulder County experiences approximately 12,177 car accidents annually, including 62 fatal crashes and 4,373 injury accidents.

Find a Lawyer in Boulder

Browse experienced Colorado attorneys who specialize in cases like yours in the Boulder area.

Major Highways Through Boulder

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

Nearby Counties

Fatal Car Accidents in Boulder County, Colorado

Boulder County has recorded 62 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.

Explore by Crash Type in Boulder