Fatal crashes in Bonneville County, Idaho
In 2024, 23 people died in 16 fatal crashes in Bonneville County, 27.8% more than in 2023. From 2015 to 2024 the county recorded 116 fatal crashes and 132 deaths, the 4th most of any county in Idaho.
17.2 deaths per 100,000 residents, against 11.9 across Idaho in 2024; 10.8 against 13.1 a year over 2015 to 2024. Population 133,644, Census Bureau estimate. All fatal crashes in Idaho.
Deaths in Bonneville County by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 16 | 23 |
| 2023 | 15 | 18 |
| 2022 | 10 | 10 |
| 2021 | 20 | 21 |
| 2020 | 11 | 13 |
| 2019 | 10 | 10 |
| 2018 | 11 | 11 |
| 2017 | 9 | 11 |
| 2016 | 11 | 12 |
| 2015 | 3 | 3 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
The deadliest roads in Bonneville County
US 26 had the most fatal crashes of any numbered road in Bonneville County from 2015 to 2024: 25, with 27 deaths. The 3 roads listed held 41% of all fatal crashes in Bonneville County from 2015 to 2024; 1 is an interstate, 2 US routes. 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 | US 26 | 25 | 27 | 7 | no page |
| 2 | US 20 | 12 | 19 | 5 | |
| 3 | I-15 | 10 | 10 | 1 |
Cities NHTSA filed, with their fatal crashes from 2015 to 2024: Idaho Falls 37. The city is not filed for crashes outside a city.
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 Bonneville 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 | 6.0 percent, 7 fatal crashes | 1.7 percent, 2 fatal crashes | 1.7 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 0.9 percent, 1 fatal crashes | 2.6 percent, 3 fatal crashes |
| Mon | 0.0 percent, 0 fatal crashes | 0.9 percent, 1 fatal crashes | 2.6 percent, 3 fatal crashes | 3.4 percent, 4 fatal crashes | 4.3 percent, 5 fatal crashes | 1.7 percent, 2 fatal crashes |
| Tue | 0.0 percent, 0 fatal crashes | 1.7 percent, 2 fatal crashes | 0.9 percent, 1 fatal crashes | 1.7 percent, 2 fatal crashes | 4.3 percent, 5 fatal crashes | 1.7 percent, 2 fatal crashes |
| Wed | 0.0 percent, 0 fatal crashes | 2.6 percent, 3 fatal crashes | 1.7 percent, 2 fatal crashes | 1.7 percent, 2 fatal crashes | 1.7 percent, 2 fatal crashes | 4.3 percent, 5 fatal crashes |
| Thu | 0.9 percent, 1 fatal crashes | 3.4 percent, 4 fatal crashes | 1.7 percent, 2 fatal crashes | 6.0 percent, 7 fatal crashes | 3.4 percent, 4 fatal crashes | 3.4 percent, 4 fatal crashes |
| Fri | 1.7 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 2.6 percent, 3 fatal crashes | 3.4 percent, 4 fatal crashes | 5.2 percent, 6 fatal crashes | 1.7 percent, 2 fatal crashes |
| Sat | 3.4 percent, 4 fatal crashes | 0.9 percent, 1 fatal crashes | 1.7 percent, 2 fatal crashes | 4.3 percent, 5 fatal crashes | 4.3 percent, 5 fatal crashes | 3.4 percent, 4 fatal crashes |
By hour
By month
- Jan5.2%
- Feb7.8%
- Mar3.4%
- Apr6.9%
- May10.3%
- Jun12.1%
- Jul11.2%
- Aug12.1%
- Sep10.3%
- Oct8.6%
- Nov5.2%
- Dec6.9%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes in Bonneville County first hit
The first harmful event was a collision with another vehicle in 50%; a fixed object such as a tree, pole or barrier in 22%, a rollover in 12%, a pedestrian in 9.5%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 58 | 50% |
| Fixed object (tree, pole, barrier, ditch) | 26 | 22% |
| Rollover | 14 | 12% |
| Pedestrian | 11 | 9.5% |
| Other | 4 | 3.4% |
| Cyclist | 3 | 2.6% |
| 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 Bonneville County compare with Idaho
A drinking driver was recorded in 33% of fatal crashes in Bonneville County from 2015 to 2024, above the Idaho share of 31%; speeding in 29%, 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 16%, about the Idaho share; 58% of passenger-vehicle occupants killed with belt use known were unbelted, about the Idaho share. Shares of fatal crashes from 2015 to 2024, against the share across all of Idaho. A share is only given over 20 crashes.
| Bonneville | Idaho | ||
|---|---|---|---|
| On rural roads | 57% | 75% | below the Idaho share |
| At or near an intersection | 28% | 21% | above the Idaho share |
| In the dark, road unlit | 26% | 27% | about the same as the Idaho share |
| A drinking driver | 33% | 31% | above the Idaho share |
| Speeding | 29% | 22% | above the Idaho share |
| A distracted driver (as recorded) | 16% | 15% | about the same as the Idaho share |
| Occupants killed unbelted | 58% | 58% | about the same as the Idaho share |
| Hit-and-run | 0.0% | 1.7% | below the Idaho share |
| A motorcycle involved | 12% | 14% | below the Idaho share |
| Pedestrians among the dead | 9.1% | 6.9% | above 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 Bonneville County
- How many people died in car accidents in Bonneville County in 2024?
- 23 people died in 16 fatal crashes in Bonneville County, Idaho, in 2024, 27.8% more than in 2023. That is 17.2 deaths per 100,000 residents, against 11.9 across Idaho.
- What is the deadliest road in Bonneville County?
- US 26 had the most fatal crashes of any numbered road in Bonneville County from 2015 to 2024: 25, with 27 deaths.
- How many fatal crashes in Bonneville County involved a drinking driver?
- 38 of 116 fatal crashes in Bonneville 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
- Twin Falls County
- Jerome County
- Bingham County
- Bannock County
- Elmore County
- Bonner County
- Nez Perce County
- Idaho County
- Cassia County
All fatal crashes in Idaho, with every county ranked.
Where the Bonneville County numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash NHTSA filed in Bonneville County (county code 19). 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.