Idaho in 1975
Deaths 281Fatal crashes 235Per 100,000 —US deaths 44,525
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 1975.
In 1975, 281 people died in 235 fatal crashes in Idaho.
Idaho accounted for 0.6% of the 44,525 crash deaths recorded nationally that year.
17% of the state's fatal crashes that year had at least one driver reported as drinking.
34% of the crashes happened between 6pm to midnight; Saturday was the most common day.
Compared with 1974 and the nation
| Measure | Idaho 1975 | — | United States 1975 |
|---|---|---|---|
| Deaths | 281 | — | 44,525 |
| Fatal crashes | 235 | — | 39,161 |
| Deaths per 100,000 residents | — | — | — |
| Crashes with a drinking driver | 17% | — | 19% |
Counties in 1975
Every county with a fatal crash in 1975, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 42 counties listed.
| County | Fatal crashes | Deaths | Per 100,000 | Deaths 2015–2024 |
|---|---|---|---|---|
| Ada County | 20 | 21 | 3.9 | 259 |
| Bannock County | 15 | 19 | 20.9 | 99 |
| Bonneville County | 15 | 17 | 12.7 | 132 |
| Canyon County | 12 | 15 | 5.6 | 246 |
| Kootenai County | 14 | 14 | 7.4 | 154 |
| Twin Falls County | 10 | 14 | 14.5 | 112 |
| Bingham County | 10 | 12 | 23.6 | 99 |
| Idaho County | 10 | 10 | 55.8 | 82 |
| Elmore County | 8 | 10 | 33.6 | 90 |
| Cassia County | 7 | 9 | 34.6 | 71 |
| Shoshone County | 7 | 9 | 63.9 | 37 |
| Latah County | 8 | 8 | 19.0 | 26 |
| Bonner County | 7 | 8 | 14.8 | 88 |
| Minidoka County | 7 | 8 | 35.3 | 37 |
| Lemhi County | 6 | 7 | 83.4 | 21 |
| Madison County | 6 | 7 | 12.6 | 24 |
| Valley County | 1–2 | 7 | 54.8 | 33 |
| Boise County | 5 | 6 | 69.9 | 60 |
| Fremont County | 5 | 6 | 41.7 | 37 |
| Jerome County | 5 | 6 | 23.0 | 100 |
| Jefferson County | 4 | 6 | 17.2 | 35 |
| Caribou County | 5 | 5 | 69.1 | 16 |
| Clearwater County | 4 | 5 | 54.6 | 18 |
| Benewah County | 3 | 5 | 47.5 | 18 |
| Power County | 3 | 5 | 59.7 | 18 |
| Lincoln County | 1–2 | 5 | 90.0 | 31 |
| Blaine County | 4 | 4 | 15.8 | 37 |
| Boundary County | 4 | 4 | 28.5 | 15 |
| Nez Perce County | 4 | 4 | 9.3 | 73 |
| Owyhee County | 4 | 4 | 31.4 | 28 |
| Bear Lake County | 3 | 3 | 44.3 | 11 |
| Gooding County | 3 | 3 | 18.5 | 46 |
| Custer County | 1–2 | 1–2 | — | 21 |
| Gem County | 1–2 | 1–2 | — | 28 |
| Oneida County | 1–2 | 1–2 | — | 13 |
| Payette County | 1–2 | 1–2 | — | 50 |
| Washington County | 1–2 | 1–2 | — | 21 |
| Butte County | 1–2 | 1–2 | — | 14 |
| Clark County | 1–2 | 1–2 | — | 11 |
| Franklin County | 1–2 | 1–2 | — | 22 |
| Lewis County | 1–2 | 1–2 | — | 11 |
| Teton County | 1–2 | 1–2 | — | 16 |
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 1975?
281 people in 235 fatal crashes, according to NHTSA's FARS 1975 file.
Which county in Idaho had the most crash deaths in 1975?
Ada County with 21 deaths in 20 fatal crashes. The table on this page lists every county with a fatal crash that year.
How did 1975 compare with 1974 in Idaho?
1975 is the first year in FARS; no earlier comparison exists.
Provenance
Source: NHTSA Fatality Analysis Reporting System, 1975 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.