Fatal Roads

States › Idaho › 2023

2023

Idaho · year

Idaho in 2023

Deaths 275Fatal crashes 242Per 100,000 14.0US deaths 41,025

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 2023.

In 2023, 275 people died in 242 fatal crashes in Idaho, 14.0 deaths per 100,000 residents against 12.2 nationally.

The death toll rose 28% from 215 in 2022 to 275 in 2023.

Idaho accounted for 0.7% of the 41,025 crash deaths recorded nationally that year.

27.7% 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 (31%).

38% of the crashes happened between noon to 6pm; Saturday was the most common day.

Compared with 2022 and the nation

MeasureIdaho 2023Idaho 2022United States 2023
Deaths27521541,025
Fatal crashes24219437,769
Deaths per 100,000 residents14.011.112.2
Crashes with a drinking driver28%36%26%

Counties in 2023

Every county with a fatal crash in 2023, by deaths. Counts under three are shown as "1–2" (small-count rule); the per-100,000 column is blank for them. 40 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Ada County31315.8259
Canyon County293011.2246
Kootenai County171910.1154
Bonneville County151813.5132
Jerome County141869.1100
Twin Falls County121212.4112
Elmore County81137.090
Payette County8932.550
Bingham County7917.799
Bannock County788.899
Cassia County7830.871
Jefferson County7823.035
Idaho County5844.782
Boise County7781.660
Nez Perce County7716.373
Bonner County5713.088
Minidoka County5522.037
Blaine County4519.837
Teton County1–2538.716
Clearwater County4443.718
Fremont County3427.837
Gooding County3424.746
Gem County1–2418.328
Bear Lake County3344.311
Benewah County3328.518
Lemhi County3335.721
Valley County3323.533
Washington County3326.021
Butte County1–21–2—14
Latah County1–21–2—26
Lincoln County1–21–2—31
Madison County1–21–2—24
Owyhee County1–21–2—28
Shoshone County1–21–2—37
Caribou County1–21–2—16
Adams County1–21–2—23
Boundary County1–21–2—15
Custer County1–21–2—21
Franklin County1–21–2—22
Power County1–21–2—18

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

12am4.6%
1am2.1%
2am0.8%
3am0.4%
4am2.5%
5am0.4%
6am5.1%
7am4.2%
8am2.5%
9am2.5%
10am5.9%
11am5.1%
12pm5.5%
1pm5.1%
2pm7.2%
3pm7.6%
4pm5.1%
5pm7.6%
6pm5.5%
7pm4.6%
8pm5.9%
9pm3.8%
10pm2.1%
11pm3.8%

Weekday

Sunday15%
Monday13%
Tuesday13%
Wednesday14%
Thursday11%
Friday13%
Saturday20%

Road type

Other principal arterial31%
Minor arterial23%
Major collector19%
Interstate14%
Local11%
Minor collector2%
Other freeways and expressways0%

Questions and answers

How many people died in crashes in Idaho in 2023?

275 people in 242 fatal crashes, according to NHTSA's FARS 2023 file, or 14.0 per 100,000 residents.

Which county in Idaho had the most crash deaths in 2023?

Ada County with 31 deaths in 31 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 2023 compare with 2022 in Idaho?

275 deaths against 215 in 2022 (+28%). Nationally the 2023 total was 41,025.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 2023 national file (accident table, vehicle and person tables); US Census Bureau population estimates. Data through 31 Dec 2024; generated 30 Sep 2026.