Idaho in 2015
Deaths 216Fatal crashes 198Per 100,000 13.1US deaths 35,484
FARS data are based on police crash reports and other sources; the drunk-driving measure is based on the highest BAC of any driver in the crash. Final FARS file for 2015.
In 2015, 216 people died in 198 fatal crashes in Idaho, 13.1 deaths per 100,000 residents against 11.1 nationally.
The death toll rose 16% from 186 in 2014 to 216 in 2015.
Idaho accounted for 0.6% of the 35,484 crash deaths recorded nationally that year.
35.9% of the state's fatal crashes that year had at least one driver reported as drinking.
By FHWA road function class, the largest share was on other principal arterial roads (28%).
32% of the crashes happened between noon to 6pm; Sunday was the most common day.
Compared with 2014 and the nation
| Measure | Idaho 2015 | Idaho 2014 | United States 2015 |
|---|---|---|---|
| Deaths | 216 | 186 | 35,484 |
| Fatal crashes | 198 | 175 | 32,538 |
| Deaths per 100,000 residents | 13.1 | 11.4 | 11.1 |
| Crashes with a drinking driver | 36% | 31% | 28% |
Counties in 2015
Every county with a fatal crash in 2015, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 37 counties listed.
| County | Fatal crashes | Deaths | Per 100,000 | Deaths 2015–2024 |
|---|---|---|---|---|
| Canyon County | 22 | 25 | 9.4 | 246 |
| Ada County | 22 | 23 | 4.3 | 259 |
| Bingham County | 17 | 17 | 33.4 | 99 |
| Bonner County | 13 | 15 | 27.8 | 88 |
| Twin Falls County | 10 | 11 | 11.4 | 112 |
| Kootenai County | 8 | 11 | 5.8 | 154 |
| Elmore County | 9 | 10 | 33.6 | 90 |
| Bannock County | 8 | 9 | 9.9 | 99 |
| Boise County | 8 | 9 | 104.9 | 60 |
| Jerome County | 7 | 7 | 26.9 | 100 |
| Cassia County | 6 | 7 | 26.9 | 71 |
| Custer County | 4 | 5 | 108.8 | 21 |
| Adams County | 4 | 4 | 80.0 | 23 |
| Idaho County | 4 | 4 | 22.3 | 82 |
| Jefferson County | 4 | 4 | 11.5 | 35 |
| Lincoln County | 4 | 4 | 72.0 | 31 |
| Nez Perce County | 4 | 4 | 9.3 | 73 |
| Gooding County | 3 | 4 | 24.7 | 46 |
| Minidoka County | 3 | 4 | 17.6 | 37 |
| Payette County | 3 | 4 | 14.5 | 50 |
| Bonneville County | 3 | 3 | 2.2 | 132 |
| Caribou County | 3 | 3 | 41.4 | 16 |
| Clearwater County | 3 | 3 | 32.8 | 18 |
| Madison County | 3 | 3 | 5.4 | 24 |
| Power County | 3 | 3 | 35.8 | 18 |
| Shoshone County | 3 | 3 | 21.3 | 37 |
| Benewah County | 1–2 | 1–2 | — | 18 |
| Franklin County | 1–2 | 1–2 | — | 22 |
| Fremont County | 1–2 | 1–2 | — | 37 |
| Gem County | 1–2 | 1–2 | — | 28 |
| Lemhi County | 1–2 | 1–2 | — | 21 |
| Owyhee County | 1–2 | 1–2 | — | 28 |
| Butte County | 1–2 | 1–2 | — | 14 |
| Camas County | 1–2 | 1–2 | — | 4 |
| Clark County | 1–2 | 1–2 | — | 11 |
| Latah County | 1–2 | 1–2 | — | 26 |
| Lewis County | 1–2 | 1–2 | — | 11 |
Per 100,000 uses the 2024 population estimate for every year, so early-year rates are understated where a county has grown.
Hour of day
Weekday
Road type
Questions and answers
How many people died in crashes in Idaho in 2015?
216 people in 198 fatal crashes, according to NHTSA's FARS 2015 file, or 13.1 per 100,000 residents.
Which county in Idaho had the most crash deaths in 2015?
Canyon County with 25 deaths in 22 fatal crashes. The table on this page lists every county with a fatal crash that year.
How did 2015 compare with 2014 in Idaho?
216 deaths against 186 in 2014 (+16%). Nationally the 2015 total was 35,484.
Provenance
Source: NHTSA Fatality Analysis Reporting System, 2015 national file (accident table, vehicle and person tables); US Census Bureau population estimates. Data through 31 Dec 2024; generated 30 Sep 2026.