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1977

Idaho · year

Idaho in 1977

Deaths 325Fatal crashes 275Per 100,000 —US deaths 47,878

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 1977.

In 1977, 325 people died in 275 fatal crashes in Idaho.

The death toll rose 16% from 279 in 1976 to 325 in 1977.

Idaho accounted for 0.7% of the 47,878 crash deaths recorded nationally that year.

50.2% of the state's fatal crashes that year had at least one driver reported as drinking.

35% of the crashes happened between 6pm to midnight; Sunday was the most common day.

Compared with 1976 and the nation

MeasureIdaho 1977Idaho 1976United States 1977
Deaths32527947,878
Fatal crashes27523242,211
Deaths per 100,000 residents———
Crashes with a drinking driver50%24%34%

Counties in 1977

Every county with a fatal crash in 1977, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 43 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Ada County26285.2259
Kootenai County252714.3154
Canyon County22259.4246
Bonneville County141612.0132
Bingham County121631.499
Bannock County101314.399
Elmore County91240.490
Jerome County81142.2100
Idaho County51055.882
Cassia County8934.671
Shoshone County8963.937
Lemhi County79107.221
Twin Falls County799.3112
Blaine County6935.637
Caribou County88110.516
Minidoka County7835.337
Gooding County7743.246
Jefferson County7720.135
Gem County5732.028
Boundary County3749.915
Bonner County6611.188
Clearwater County6665.618
Nez Perce County6614.073
Latah County5614.226
Benewah County4547.518
Lincoln County4590.031
Power County4447.718
Franklin County3425.622
Valley County3431.333
Teton County1–2430.916
Butte County33109.714
Fremont County3320.837
Madison County335.424
Payette County3310.850
Adams County1–21–2—23
Bear Lake County1–21–2—11
Boise County1–21–2—60
Custer County1–21–2—21
Oneida County1–21–2—13
Owyhee County1–21–2—28
Washington County1–21–2—21
Camas County1–21–2—4
Lewis County1–21–2—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

12am3.4%
1am9%
2am3.8%
3am1.5%
4am0.4%
5am1.9%
6am1.9%
7am4.1%
8am3%
9am2.3%
10am1.5%
11am3%
12pm1.5%
1pm4.1%
2pm4.5%
3pm5.6%
4pm6.4%
5pm6.8%
6pm5.3%
7pm4.1%
8pm6.4%
9pm8.3%
10pm7.1%
11pm4.1%

Weekday

Sunday24%
Monday12%
Tuesday9%
Wednesday8%
Thursday13%
Friday17%
Saturday17%

Questions and answers

How many people died in crashes in Idaho in 1977?

325 people in 275 fatal crashes, according to NHTSA's FARS 1977 file.

Which county in Idaho had the most crash deaths in 1977?

Ada County with 28 deaths in 26 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 1977 compare with 1976 in Idaho?

325 deaths against 279 in 1976 (+16%). Nationally the 1977 total was 47,878.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 1977 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.