Fatal crash profile · County
Traffic deaths in Boulder County, Colorado
County in Colorado · United States
- Deaths, 2024
- 23
- Fatal crashes
- 22
- Population
- 329.5K
In 2024, 23 people died in 22 fatal crashes in Boulder County, Colorado. That was 17.9% fewer than in 2023 (28) and the fewest since 2020. The death rate was 7.0 per 100,000 residents, compared with 11.5 in Colorado and 11.5 in the United States. Boulder County had the 9th most traffic deaths among Colorado's counties. Between 2020 and 2024, 134 people died, an average of 27 a year. Pedestrians accounted for 22% of deaths, and 32% of fatal crashes were speeding-related.
Deaths
Traffic deaths
7.0
deaths per 100,000 residents in 2024
- About 60 percent of the rate in Colorado: 11.5
- About 60 percent of the rate in the United States: 11.5
8.2
average deaths per 100,000 residents a year, 2020–2024
- About two-thirds of the average in Colorado: 11.9
- About two-thirds of the average in the United States: 12.3
-18%
change in deaths from 2023 to 2024
28 deaths in 2023, 23 in 2024
- Colorado: -4%
- The United States: -4%
| Category | Deaths | Fatal crashes |
|---|---|---|
| 2020 | 16 | 14 |
| 2021 | 33 | 31 |
| 2022 | 34 | 31 |
| 2023 | 28 | 24 |
| 2024 | 23 | 22 |
People who died within 30 days of a crash. A fatal crash can kill more than one person.
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| Category | Deaths per 100,000 |
|---|---|
| 2020 | 4.8 |
| 2021 | 10.1 |
| 2022 | 10.4 |
| 2023 | 8.5 |
| 2024 | 7.0 |
Uses Census population estimates, available from 2000.
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Road users
Who died
22%
of deaths were pedestrians
- About 1.3 times the share in Colorado: 16%
- About 1.2 times the share in the United States: 18%
| Category | Deaths |
|---|---|
| Vehicle occupants and others | 10 |
| Pedestrians | 5 |
| Motorcyclists | 7 |
| Cyclists | 1 |
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| Type | Deaths | Share in Boulder County | Share in Colorado |
|---|---|---|---|
| Pedestrians | 5 | 22% | 16% |
| Motorcyclists | 7 | 30% | 24% |
| Cyclists | 1 | 4% | 2% |
| Alcohol-impaired driving crashes | 4 | 17% | 30% |
| Speeding-related crashes | 8 | 35% | 34% |
Alcohol-impaired and speeding-related count everyone killed in those crashes, so a death can appear in more than one row.
Crash factors
Speeding, alcohol, night and weekend crashes
32%
of fatal crashes were speeding-related
- About the same as the share in Colorado: 33%
- About 1.1 times the share in the United States: 28%
18%
of fatal crashes involved a drinking driver
- About 55 percent of the share in Colorado: 32%
- About three-quarters of the share in the United States: 25%
| Category | Boulder County | Colorado | United States |
|---|---|---|---|
| Speeding-related | 18.2% | 31.9% | 24.8% |
| Alcohol-involved | 31.8% | 33.5% | 28.1% |
| At night | 50.0% | 52.2% | 53.6% |
| At weekends | 27.3% | 36.0% | 32.6% |
Share of fatal crashes. Alcohol-involved means a police-reported drinking driver.
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Timing
When crashes happen
50%
of fatal crashes happened at night
- About the same as the share in Colorado: 52%
- About the same as the share in the United States: 54%
27%
of fatal crashes happened at weekends
- About three-quarters of the share in Colorado: 36%
- About 85 percent of the share in the United States: 33%
| Category | Fatal crashes |
|---|---|
| 12am | 5 |
| 1am | 4 |
| 2am | 1 |
| 3am | 2 |
| 4am | 2 |
| 5am | 2 |
| 6am | 3 |
| 7am | 6 |
| 8am | 3 |
| 9am | 4 |
| 10am | 4 |
| 11am | 6 |
| 12pm | 8 |
| 1pm | 3 |
| 2pm | 10 |
| 3pm | 7 |
| 4pm | 9 |
| 5pm | 13 |
| 6pm | 4 |
| 7pm | 8 |
| 8pm | 2 |
| 9pm | 4 |
| 10pm | 6 |
| 11pm | 6 |
All crashes 2020–2024.
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| Category | Fatal crashes |
|---|---|
| Sun | 15 |
| Mon | 19 |
| Tue | 18 |
| Wed | 15 |
| Thu | 19 |
| Fri | 14 |
| Sat | 22 |
All crashes 2020–2024.
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| Category | Fatal crashes |
|---|---|
| Jan | 12 |
| Feb | 9 |
| Mar | 6 |
| Apr | 6 |
| May | 11 |
| Jun | 9 |
| Jul | 20 |
| Aug | 9 |
| Sep | 11 |
| Oct | 15 |
| Nov | 7 |
| Dec | 7 |
All crashes 2020–2024.
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Conditions
Weather and light
| Category | Fatal crashes |
|---|---|
| Clear | 88 |
| Rain | 5 |
| Cloudy | 4 |
| Snow | 4 |
| Severe Crosswinds | 1 |
All crashes 2020–2024. Crashes where conditions were not reported are left out.
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| Category | Fatal crashes |
|---|---|
| Daylight | 77 |
| Dark - Lighted | 23 |
| Dark - Not Lighted | 20 |
| Dawn | 1 |
| Dusk | 1 |
All crashes 2020–2024. Crashes where conditions were not reported are left out.
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Roads and vehicles
Where and what, 2020–2024
Roads with the most fatal crashes
- US-28724
- US-3612
- SR-11912
- SR-119 DIAGONAL HWY3
- SR-933
- SR-723
- SR-663
- US-287 MAIN ST3
- CR-LEFTHAND CANYON DR2
- SR-93 BROADWAY ST2
Road names as recorded in police reports.
| Category | Vehicles |
|---|---|
| Cars | 69 |
| SUVs | 56 |
| Pickup trucks | 30 |
| Motorcycles | 29 |
| Medium and heavy trucks | 7 |
| Vans | 7 |
| Buses | 3 |
All crashes 2020–2024.
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Vehicles most often involved
- Chevrolet Silverado7
- Toyota RAV46
- Toyota 4-Runner6
- Honda Accord6
- Subaru Forester4
- Nissan Altima4
- Honda CR-V4
- Toyota Tacoma3
- Toyota Camry3
- Subaru Legacy3
Reflects how common a vehicle is as well as crash involvement; not a safety rating.
Crashes
Fatal crashes
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Fatal crashes in 2024. Crashes without reported coordinates are not shown.
Filter crashes
| Date | Location | Road | Deaths |
|---|---|---|---|
| Dec 15, 2024 | Longmont | E 3RD AVE | 1 |
| Dec 15, 2024 | Louisville | W DILLON RD | 1 |
| Nov 2, 2024 | Longmont | US-287 S MAIN ST | 1 |
| Oct 6, 2024 | — | US-36 | 1 |
| Sep 29, 2024 | Longmont | US-287 S MAIN ST | 1 |
| Sep 27, 2024 | Boulder | SR-93 BROADWAY ST | 1 |
| Sep 16, 2024 | — | US-36 | 1 |
| Aug 15, 2024 | — | SR-72 | 1 |
| Jul 25, 2024 | Longmont | 17TH AVE | 1 |
| Jul 15, 2024 | — | US-287 | 1 |
| Jul 15, 2024 | — | US-36 | 1 |
| Jul 8, 2024 | Louisville | VIA APPIA WAY | 1 |
| Jul 6, 2024 | — | ERIE PKWY | 1 |
| Jul 5, 2024 | — | US-287 | 1 |
| Jun 18, 2024 | — | SR-66 | 1 |
| May 30, 2024 | — | NELSON RD | 1 |
| May 27, 2024 | — | SR-119 | 1 |
| Feb 9, 2024 | Longmont | COLLYER ST | 1 |
| Feb 5, 2024 | Boulder | SR-119 DIAGONAL HWY | 1 |
| Jan 5, 2024 | — | US-287 | 2 |
| Jan 3, 2024 | Boulder | BROADWAY ST | 1 |
| Jan 2, 2024 | — | CR-NIWOT RD | 1 |
| Nov 4, 2023 | — | ST VRAIN RD | 1 |
| Oct 13, 2023 | — | US-36 | 1 |
| Aug 24, 2023 | Louisville | W CHERRY ST | 1 |
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Source: NHTSA Fatality Analysis Reporting System (FARS), 2020–2024. A fatal crash is one in which at least one person died within 30 days. Population: US Census Bureau estimates.