Quick answer
According to crimebycity.com's analysis of NHTSA Fatality Analysis Reporting System data, Idaho Falls, ID recorded 31 traffic deaths in 24 fatal crashes from 2020 to 2024 — 9.0 deaths per 100,000 residents per year vs the US average of 12.3. Its Road Danger Score of 58/100 means a higher traffic-fatality rate than about 58% of ranked US cities (#2 of 13 in Idaho, most dangerous first).
Road Danger Score
Traffic Deaths per 100K
Fatal Crashes 2020–2024
How Dangerous Are the Roads in Idaho Falls, Idaho?
Idaho Falls has a Road Danger Score of 58/100 (Near-Average Road Danger). Over the five years from 2020 to 2024, federal crash data recorded 24 fatal motor-vehicle crashes in the city, killing 31 people — 9.0 traffic deaths per 100,000 residents per year, below the national average of 12.3.
Idaho Falls ranks #2 out of 13 ranked cities in Idaho and #904 out of 2,153 nationally for road danger (most dangerous first). The score is a percentile: a higher traffic-fatality rate than about 58% of ranked US cities.
The most distinctive factor in Idaho Falls's fatal crashes: drinking driver involved — 38% of fatal crashes, versus 26% nationally.
Traffic deaths in Idaho Falls rose 78% comparing 2020–2021 with 2023–2024.
What’s Behind Idaho Falls’s Fatal Crashes (2020–2024)
Share of the city’s 24 fatal crashes where each factor was recorded. Factors overlap, so shares don’t sum to 100%.
| Crash Factor | Fatal Crashes | Idaho Falls | National Avg |
|---|---|---|---|
| Drinking driver involved | 9 | 37.5% | 25.9% |
| Speeding involved | 6 | 25.0% | 28.2% |
| Pedestrian or cyclist involved | 5 | 20.8% | 22.5% |
| Dark / nighttime conditions | 13 | 54.2% | 49.8% |
Idaho Falls Traffic Deaths by Year
Annual traffic fatalities in Idaho Falls, Idaho from NHTSA FARS. Single-year swings are normal in smaller cities; the Road Danger Score uses the full 5-year window.
| Year | Traffic Deaths |
|---|---|
| 2024 | 10 |
| 2023 | 6 |
| 2022 | 6 |
| 2021 | 8 |
| 2020 | 1 |
Frequently Asked Questions
How many fatal car accidents happen in Idaho Falls, Idaho?
According to NHTSA FARS data, Idaho Falls recorded 24 fatal car accidents between 2020 and 2024, resulting in 31 traffic deaths — an average of 6.2 deaths per year.
How dangerous are the roads in Idaho Falls?
Idaho Falls has a Road Danger Score of 58/100, meaning its traffic-fatality rate is higher than about 58% of ranked US cities. The city averages 9.0 traffic deaths per 100,000 residents per year, compared to the US average of 12.3.
What causes fatal car accidents in Idaho Falls?
Of Idaho Falls's fatal crashes in 2020–2024, 38% involved a drinking driver, 25% involved speeding, 21% involved a pedestrian or cyclist, and 54% happened in dark conditions.
How many people die in car accidents in Idaho Falls each year?
An average of 6.2 people per year died in car accidents in Idaho Falls across 2020–2024 (31 total), based on the federal Fatality Analysis Reporting System.
Is driving in Idaho Falls more dangerous than in other Idaho cities?
Idaho Falls ranks #2 of 13 ranked Idaho cities for road danger (most dangerous first) and #904 of 2,153 nationally.