Idaho in 1978
Deaths 327Fatal crashes 277Per 100,000 —US deaths 50,331
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 1978.
In 1978, 327 people died in 277 fatal crashes in Idaho.
The death toll was about level between 1977 (325) and 1978 (327).
Idaho accounted for 0.6% of the 50,331 crash deaths recorded nationally that year.
44.8% of the state's fatal crashes that year had at least one driver reported as drinking.
33% of the crashes happened between noon to 6pm; Saturday was the most common day.
Compared with 1977 and the nation
| Measure | Idaho 1978 | Idaho 1977 | United States 1978 |
|---|---|---|---|
| Deaths | 327 | 325 | 50,331 |
| Fatal crashes | 277 | 275 | 44,433 |
| Deaths per 100,000 residents | — | — | — |
| Crashes with a drinking driver | 45% | 50% | 36% |
Counties in 1978
Every county with a fatal crash in 1978, 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 | 31 | 36 | 13.5 | 246 |
| Ada County | 28 | 30 | 5.6 | 259 |
| Bonneville County | 18 | 20 | 15.0 | 132 |
| Idaho County | 14 | 17 | 94.9 | 82 |
| Kootenai County | 15 | 16 | 8.5 | 154 |
| Bingham County | 13 | 14 | 27.5 | 99 |
| Bannock County | 12 | 13 | 14.3 | 99 |
| Power County | 10 | 13 | 155.1 | 18 |
| Nez Perce County | 8 | 11 | 25.7 | 73 |
| Payette County | 10 | 10 | 36.2 | 50 |
| Elmore County | 6 | 10 | 33.6 | 90 |
| Minidoka County | 7 | 9 | 39.7 | 37 |
| Blaine County | 6 | 7 | 27.7 | 37 |
| Latah County | 6 | 7 | 16.6 | 26 |
| Shoshone County | 6 | 7 | 49.7 | 37 |
| Lemhi County | 5 | 7 | 83.4 | 21 |
| Valley County | 3 | 7 | 54.8 | 33 |
| Bear Lake County | 6 | 6 | 88.5 | 11 |
| Benewah County | 6 | 6 | 57.0 | 18 |
| Boise County | 6 | 6 | 69.9 | 60 |
| Gem County | 4 | 6 | 27.5 | 28 |
| Lewis County | 4 | 6 | 160.9 | 11 |
| Boundary County | 5 | 5 | 35.6 | 15 |
| Fremont County | 5 | 5 | 34.7 | 37 |
| Jefferson County | 1–2 | 5 | 14.3 | 35 |
| Custer County | 4 | 4 | 87.0 | 21 |
| Franklin County | 4 | 4 | 25.6 | 22 |
| Gooding County | 4 | 4 | 24.7 | 46 |
| Jerome County | 4 | 4 | 15.4 | 100 |
| Bonner County | 3 | 4 | 7.4 | 88 |
| Teton County | 1–2 | 4 | 30.9 | 16 |
| Caribou County | 3 | 3 | 41.4 | 16 |
| Cassia County | 3 | 3 | 11.5 | 71 |
| Owyhee County | 3 | 3 | 23.5 | 28 |
| Twin Falls County | 3 | 3 | 3.1 | 112 |
| Butte County | 1–2 | 3 | 109.7 | 14 |
| Camas County | 1–2 | 3 | 240.6 | 4 |
| Clearwater County | 1–2 | 1–2 | — | 18 |
| Washington County | 1–2 | 1–2 | — | 21 |
| Clark County | 1–2 | 1–2 | — | 11 |
| Madison County | 1–2 | 1–2 | — | 24 |
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 1978?
327 people in 277 fatal crashes, according to NHTSA's FARS 1978 file.
Which county in Idaho had the most crash deaths in 1978?
Canyon County with 36 deaths in 31 fatal crashes. The table on this page lists every county with a fatal crash that year.
How did 1978 compare with 1977 in Idaho?
327 deaths against 325 in 1977 (+1%). Nationally the 1978 total was 50,331.
Provenance
Source: NHTSA Fatality Analysis Reporting System, 1978 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.