Idaho in 1986
Deaths 258Fatal crashes 220Per 100,000 —US deaths 46,087
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 1986.
In 1986, 258 people died in 220 fatal crashes in Idaho.
The death toll was about level between 1985 (255) and 1986 (258).
Idaho accounted for 0.6% of the 46,087 crash deaths recorded nationally that year.
48.6% of the state's fatal crashes that year had at least one driver reported as drinking.
36% of the crashes happened between 6pm to midnight; Saturday was the most common day.
Compared with 1985 and the nation
| Measure | Idaho 1986 | Idaho 1985 | United States 1986 |
|---|---|---|---|
| Deaths | 258 | 255 | 46,087 |
| Fatal crashes | 220 | 218 | 41,090 |
| Deaths per 100,000 residents | — | — | — |
| Crashes with a drinking driver | 49% | 45% | 43% |
Counties in 1986
Every county with a fatal crash in 1986, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 41 counties listed.
| County | Fatal crashes | Deaths | Per 100,000 | Deaths 2015–2024 |
|---|---|---|---|---|
| Canyon County | 19 | 26 | 9.7 | 246 |
| Ada County | 21 | 21 | 3.9 | 259 |
| Bingham County | 15 | 18 | 35.4 | 99 |
| Bonneville County | 12 | 17 | 12.7 | 132 |
| Kootenai County | 15 | 15 | 8.0 | 154 |
| Bonner County | 11 | 14 | 25.9 | 88 |
| Fremont County | 9 | 11 | 76.4 | 37 |
| Elmore County | 8 | 10 | 33.6 | 90 |
| Owyhee County | 8 | 8 | 62.8 | 28 |
| Bannock County | 7 | 8 | 8.8 | 99 |
| Jefferson County | 7 | 8 | 23.0 | 35 |
| Boise County | 5 | 8 | 93.2 | 60 |
| Blaine County | 6 | 7 | 27.7 | 37 |
| Twin Falls County | 6 | 7 | 7.3 | 112 |
| Idaho County | 5 | 6 | 33.5 | 82 |
| Cassia County | 5 | 5 | 19.2 | 71 |
| Nez Perce County | 4 | 5 | 11.7 | 73 |
| Custer County | 3 | 5 | 108.8 | 21 |
| Lewis County | 1–2 | 5 | 134.1 | 11 |
| Bear Lake County | 4 | 4 | 59.0 | 11 |
| Benewah County | 4 | 4 | 38.0 | 18 |
| Gooding County | 4 | 4 | 24.7 | 46 |
| Jerome County | 4 | 4 | 15.4 | 100 |
| Lemhi County | 4 | 4 | 47.6 | 21 |
| Minidoka County | 4 | 4 | 17.6 | 37 |
| Shoshone County | 4 | 4 | 28.4 | 37 |
| Madison County | 3 | 4 | 7.2 | 24 |
| Butte County | 3 | 3 | 109.7 | 14 |
| Clearwater County | 1–2 | 1–2 | — | 18 |
| Latah County | 1–2 | 1–2 | — | 26 |
| Power County | 1–2 | 1–2 | — | 18 |
| Valley County | 1–2 | 1–2 | — | 33 |
| Gem County | 1–2 | 1–2 | — | 28 |
| Adams County | 1–2 | 1–2 | — | 23 |
| Boundary County | 1–2 | 1–2 | — | 15 |
| Caribou County | 1–2 | 1–2 | — | 16 |
| Clark County | 1–2 | 1–2 | — | 11 |
| Lincoln County | 1–2 | 1–2 | — | 31 |
| Oneida County | 1–2 | 1–2 | — | 13 |
| Teton County | 1–2 | 1–2 | — | 16 |
| Washington County | 1–2 | 1–2 | — | 21 |
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
Questions and answers
How many people died in crashes in Idaho in 1986?
258 people in 220 fatal crashes, according to NHTSA's FARS 1986 file.
Which county in Idaho had the most crash deaths in 1986?
Canyon County with 26 deaths in 19 fatal crashes. The table on this page lists every county with a fatal crash that year.
How did 1986 compare with 1985 in Idaho?
258 deaths against 255 in 1985 (+1%). Nationally the 1986 total was 46,087.
Provenance
Source: NHTSA Fatality Analysis Reporting System, 1986 national file (accident table); US Census Bureau population estimates (no county estimates before 2000 are used, so no rate is shown for this year). Data through 31 Dec 2024; generated 30 Sep 2026.