Fatal crashes in Boise County, Idaho
In 2024, 3 people died in 3 fatal crashes in Boise County, 57.1% fewer than in 2023. From 2015 to 2024 the county recorded 58 fatal crashes and 60 deaths, the 14th most of any county in Idaho.
Deaths in Boise County by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 3 | 3 |
| 2023 | 7 | 7 |
| 2022 | 5 | 5 |
| 2021 | 9 | 9 |
| 2020 | 7 | 8 |
| 2019 | 6 | 6 |
| 2018 | 6 | 6 |
| 2017 | 4 | 4 |
| 2016 | 3 | 3 |
| 2015 | 8 | 9 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
The deadliest roads in Boise County
State Highway 55 had the most fatal crashes of any numbered road in Boise County from 2015 to 2024: 19, with 20 deaths. The 2 roads listed held 59% of all fatal crashes in Boise County from 2015 to 2024; 2 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.
| Road | Fatal crashes | Deaths | 2022 to 2024 | ||
|---|---|---|---|---|---|
| 1 | State Highway 55 | 19 | 20 | 4 | |
| 2 | State Highway 21 | 15 | 15 | 5 | no page |
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 Boise County
Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 1.8 percent, 1 fatal crashes | 1.8 percent, 1 fatal crashes | 5.4 percent, 3 fatal crashes | 5.4 percent, 3 fatal crashes | 5.4 percent, 3 fatal crashes | 0.0 percent, 0 fatal crashes |
| Mon | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 1.8 percent, 1 fatal crashes | 1.8 percent, 1 fatal crashes | 3.6 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes |
| Tue | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 1.8 percent, 1 fatal crashes | 5.4 percent, 3 fatal crashes | 1.8 percent, 1 fatal crashes | 1.8 percent, 1 fatal crashes |
| Wed | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 3.6 percent, 2 fatal crashes | 8.9 percent, 5 fatal crashes | 8.9 percent, 5 fatal crashes | 0.0 percent, 0 fatal crashes |
| Thu | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 3.6 percent, 2 fatal crashes | 1.8 percent, 1 fatal crashes | 3.6 percent, 2 fatal crashes |
| Fri | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 1.8 percent, 1 fatal crashes | 5.4 percent, 3 fatal crashes | 0.0 percent, 0 fatal crashes | 3.6 percent, 2 fatal crashes |
| Sat | 1.8 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 5.4 percent, 3 fatal crashes | 12.5 percent, 7 fatal crashes | 1.8 percent, 1 fatal crashes |
By hour
By month
- Jan1.7%
- Feb10.3%
- Mar0.0%
- Apr5.2%
- May8.6%
- Jun15.5%
- Jul10.3%
- Aug17.2%
- Sep10.3%
- Oct12.1%
- Nov5.2%
- Dec3.4%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes in Boise County first hit
The first harmful event was a rollover in 36%; a fixed object such as a tree, pole or barrier in 33%, a collision with another vehicle in 16%, a pedestrian in 1.7%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Rollover | 21 | 36% |
| Fixed object (tree, pole, barrier, ditch) | 19 | 33% |
| Collision with another vehicle | 9 | 16% |
| Other | 8 | 14% |
| Pedestrian | 1 | 1.7% |
| Cyclist | 0 | 0.0% |
| Parked vehicle | 0 | 0.0% |
| Not reported | 0 | 0.0% |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
How fatal crashes in Boise County compare with Idaho
A drinking driver was recorded in 33% of fatal crashes in Boise County from 2015 to 2024, above the Idaho share of 31%; speeding in 28%, above the Idaho share of 22%; a hit-and-run in 0.0%, below the Idaho share of 1.7%; a driver recorded as distracted in 14%, about the Idaho share; 53% of passenger-vehicle occupants killed with belt use known were unbelted, below the Idaho share of 58%. Shares of fatal crashes from 2015 to 2024, against the share across all of Idaho. A share is only given over 20 crashes.
| Boise | Idaho | ||
|---|---|---|---|
| On rural roads | 100% | 75% | above the Idaho share |
| At or near an intersection | 5.2% | 21% | below the Idaho share |
| In the dark, road unlit | 16% | 27% | below the Idaho share |
| A drinking driver | 33% | 31% | above the Idaho share |
| Speeding | 28% | 22% | above the Idaho share |
| A distracted driver (as recorded) | 14% | 15% | about the same as the Idaho share |
| Occupants killed unbelted | 53% | 58% | below the Idaho share |
| Hit-and-run | 0.0% | 1.7% | below the Idaho share |
| A motorcycle involved | 24% | 14% | above the Idaho share |
| Pedestrians among the dead | 1.7% | 6.9% | below the Idaho 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 Boise County
- How many people died in car accidents in Boise County in 2024?
- 3 people died in 3 fatal crashes in Boise County, Idaho, in 2024, 57.1% fewer than in 2023.
- What is the deadliest road in Boise County?
- State Highway 55 had the most fatal crashes of any numbered road in Boise County from 2015 to 2024: 19, with 20 deaths.
- How many fatal crashes in Boise County involved a drinking driver?
- 19 of 58 fatal crashes in Boise County from 2015 to 2024 involved a driver NHTSA recorded as drinking, 33%, against 31% across Idaho.
Other counties in Idaho with a page
- Ada County
- Canyon County
- Kootenai County
- Bonneville County
- Twin Falls County
- Jerome County
- Bingham County
- Bannock County
- Elmore County
- Bonner County
- Nez Perce County
- Idaho County
All fatal crashes in Idaho, with every county ranked.
Where the Boise County numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash NHTSA filed in Boise County (county code 15). 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.