NHTSA FARS 2020–2024 · Census population
Most Dangerous Counties in Idaho
Quick answer: Canyon County recorded the most road deaths in Idaho from 2020 to 2024 (122), while Idaho County had the highest death rate, 50.5 per 100,000 residents a year against 12.6 for the state as a whole.
Per 100,000 residents a year · counties with 10,000+ people
Highest death rate
| # | County | Deaths per 100k / year | Deaths 2020–2024 | Population |
|---|---|---|---|---|
| 1 | Idaho County | 50.5 | 44 | 17,432 |
| 2 | Jerome County | 37.3 | 47 | 25,173 |
| 3 | Gooding County | 32.6 | 26 | 15,931 |
| 4 | Elmore County | 31.4 | 46 | 29,321 |
| 5 | Cassia County | 31.4 | 40 | 25,483 |
| 6 | Fremont County | 30.1 | 21 | 13,943 |
| 7 | Valley County | 29.1 | 18 | 12,389 |
| 8 | Owyhee County | 28.8 | 18 | 12,503 |
| 9 | Payette County | 23.2 | 31 | 26,771 |
| 10 | Bingham County | 19.7 | 49 | 49,664 |
| 11 | Nez Perce County | 19.7 | 42 | 42,697 |
| 12 | Gem County | 18.4 | 19 | 20,614 |
| 13 | Teton County | 17.7 | 11 | 12,425 |
| 14 | Bonner County | 16.5 | 42 | 51,049 |
| 15 | Washington County | 16.2 | 9 | 11,142 |
44 counties · click a heading to sort
Every county in Idaho
| County | Deaths | Fatal crashes | Per 100k / yr | Pedestrians | At night | Alcohol | 2020→2024 | Deadliest roads |
|---|---|---|---|---|---|---|---|---|
| Canyon County | 122 | 113 | 9.7 | 14% | 42% | 27% | US-20, SR-55, I-84 | |
| Ada County | 122 | 117 | 4.7 | 21% | 50% | 36% | I-84, US-20, SR-55 | |
| Bonneville County | 85 | 72 | 13.1 | 8% | 35% | 40% | US-26, US-20, I-15 | |
| Kootenai County | 76 | 71 | 8.4 | 5% | 35% | 37% | US-95, I-90, SR-53 | |
| Twin Falls County | 57 | 53 | 12.2 | 12% | 36% | 25% | US-93, US-30, SR-50 | |
| Bannock County | 50 | 41 | 11.2 | 12% | 44% | 29% | I-15, US-30, US-91 | |
| Bingham County | 49 | 37 | 19.7 | 2% | 38% | 38% | I-15, SR-39, US-91 | |
| Jerome County | 47 | 43 | 37.3 | 6% | 33% | 37% | I-84, SR-25, US-93 | |
| Elmore County | 46 | 40 | 31.4 | 4% | 42% | 20% | I-84, SR-51, SR-167 | |
| Idaho County | 44 | 37 | 50.5 | 2% | 19% | 30% | US-95, US-12, SR-13 | |
| Nez Perce County | 42 | 38 | 19.7 | 10% | 34% | 34% | US-95, US-12 | |
| Bonner County | 42 | 35 | 16.5 | 5% | 26% | 37% | US-95, SR-41, SR-200 | |
| Cassia County | 40 | 35 | 31.4 | 2% | 40% | 43% | I-86, SR-81, SR-27 | |
| Boise County | 32 | 31 | 77.4 | 3% | 16% | 26% | SR-55, SR-21 | |
| Payette County | 31 | 27 | 23.2 | 3% | 22% | 26% | I-84, US-95, SR-52 | |
| Gooding County | 26 | 25 | 32.6 | 4% | 52% | 28% | I-84, SR-46, US-26 | |
| Fremont County | 21 | 18 | 30.1 | 0% | 17% | 33% | US-20, SR-32, SR-47 | |
| Gem County | 19 | 16 | 18.4 | 0% | 19% | 38% | SR-52, SR-16 | |
| Owyhee County | 18 | 15 | 28.8 | 0% | 20% | 27% | US-95, SR-78, SR-51 | |
| Blaine County | 18 | 15 | 14.4 | 11% | 33% | 40% | SR-75, US-20 | |
| Jefferson County | 18 | 16 | 10.9 | 6% | 25% | 31% | SR-33, US-20, I-15 | |
| Valley County | 18 | 17 | 29.1 | 6% | 29% | 41% | SR-55 | |
| Lincoln County | 15 | 12 | 56 | 0% | 25% | 42% | US-93, US-26, SR-75 | |
| Minidoka County | 15 | 15 | 13.5 | 13% | 27% | 27% | I-84, SR-25 | |
| Madison County | 14 | 14 | 5.1 | 14% | 7% | 14% | SR-33, US-20 | |
| Lemhi County | 13 | 13 | 31.5 | 0% | 54% | 31% | US-93, SR-28 | |
| Latah County | 12 | 11 | 5.8 | 0% | 45% | 45% | US-95, SR-6, SR-3 | |
| Teton County | 11 | 8 | 17.7 | 0% | 38% | 12% | SR-33 | |
| Boundary County | 10 | 8 | 15.2 | 0% | 25% | 12% | US-95 | |
| Shoshone County | 10 | 9 | 14.5 | 20% | 44% | 33% | I-90, SR-4 | |
| Butte County | 9 | 9 | 67.1 | 0% | 33% | 22% | US-20, US-26, SR-33 | |
| Washington County | 9 | 9 | 16.2 | 0% | 22% | 11% | US-95, SR-71 | |
| Power County | 8 | 8 | 19.7 | 0% | 12% | 38% | I-86 | |
| Franklin County | 8 | 8 | 10.6 | 0% | 25% | 38% | US-91, SR-36, SR-34 | |
| Clearwater County | 8 | 7 | 17.8 | 0% | 14% | 29% | SR-11, US-12 | |
| Benewah County | 8 | 8 | 15.8 | 0% | 12% | 25% | US-95, SR-5, SR-6 | |
| Adams County | 7 | 7 | 29.5 | 14% | 43% | 14% | US-95, SR-55 | |
| Custer County | 7 | 7 | 31.3 | 0% | 43% | 57% | SR-75, US-93, SR-21 | |
| Caribou County | 6 | 5 | 16.8 | 0% | 40% | 20% | US-30, SR-34 | |
| Bear Lake County | 6 | 5 | 18 | 0% | 20% | 40% | US-89, US-30 | |
| Clark County | 5 | 4 | 125.2 | 0% | 25% | 50% | I-15 | |
| Oneida County | 5 | 5 | 21 | 20% | 40% | 20% | I-15, SR-36 | |
| Lewis County | 4 | 4 | 21.7 | 0% | 75% | 25% | US-95, SR-64, US-12 | |
| Camas County | 2 | 1 | 34.1 | 0% | 100% | 100% | US-20 |
Deaths = people killed in crashes in the county, 2020–2024. Pedestrians = share of deaths who were on foot. At night = share of fatal crashes in the dark. Alcohol = share of fatal crashes where police reported a driver had been drinking. Rate = yearly average deaths ÷ average population × 100,000. Source: NHTSA FARS, U.S. Census Bureau.
More for Idaho: deadliest highways and roads · Idaho accidents today · get a police report · every state
Questions
Dangerous counties — FAQ
What is the most dangerous county in Idaho for driving?
Canyon County recorded the most road deaths in Idaho from 2020 to 2024 (122), while Idaho County had the highest death rate, 50.5 per 100,000 residents a year against 12.6 for the state as a whole. Big counties lead on counts because more people drive there; the rate shows the risk for each resident.
How many people died on Idaho roads from 2020 to 2024?
1,215 people, according to NHTSA's Fatality Analysis Reporting System, about 243 a year.
Where does this ranking come from?
Every fatal crash in NHTSA's FARS census for 2020–2024, placed in the county where it happened, divided by the county's average population from the U.S. Census Bureau. Rates are only ranked for counties with at least 10,000 residents.