Fatal Roads

States › Idaho › 2020

2020

Idaho · year

Idaho in 2020

Deaths 214Fatal crashes 188Per 100,000 11.6US deaths 39,007

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 2020.

In 2020, 214 people died in 188 fatal crashes in Idaho, 11.6 deaths per 100,000 residents against 11.8 nationally.

The death toll was about level between 2019 (224) and 2020 (214).

Idaho accounted for 0.5% of the 39,007 crash deaths recorded nationally that year.

33.5% 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 (35%).

33% of the crashes happened between noon to 6pm; Wednesday was the most common day.

Compared with 2019 and the nation

MeasureIdaho 2020Idaho 2019United States 2020
Deaths21422439,007
Fatal crashes18820135,935
Deaths per 100,000 residents11.612.511.8
Crashes with a drinking driver34%36%27%

Counties in 2020

Every county with a fatal crash in 2020, 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.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Canyon County21249.0246
Ada County17203.7259
Kootenai County13136.9154
Bonneville County11139.7132
Twin Falls County101212.4112
Gooding County9955.646
Bannock County899.999
Fremont County7962.537
Boise County7893.260
Elmore County7826.990
Nez Perce County7716.373
Bonner County5713.088
Idaho County6633.582
Payette County4621.750
Boundary County4535.615
Gem County4418.328
Valley County4431.333
Lincoln County3472.031
Bingham County1–247.999
Adams County3360.023
Butte County33109.714
Jerome County3311.5100
Lemhi County3335.721
Cassia County1–2311.571
Shoshone County1–2321.337
Blaine County1–21–2—37
Jefferson County1–21–2—35
Madison County1–21–2—24
Owyhee County1–21–2—28
Power County1–21–2—18
Washington County1–21–2—21
Bear Lake County1–21–2—11
Caribou County1–21–2—16
Clark County1–21–2—11
Clearwater County1–21–2—18
Custer County1–21–2—21
Franklin County1–21–2—22
Latah County1–21–2—26
Lewis County1–21–2—11
Minidoka County1–21–2—37
Oneida County1–21–2—13
Teton County1–21–2—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

12am5.9%
1am3.8%
2am1.6%
3am1.1%
4am1.6%
5am4.3%
6am3.8%
7am2.7%
8am3.8%
9am3.8%
10am3.2%
11am2.7%
12pm3.8%
1pm7.5%
2pm2.2%
3pm6.5%
4pm8.1%
5pm5.4%
6pm8.1%
7pm5.9%
8pm5.9%
9pm2.7%
10pm4.3%
11pm1.6%

Weekday

Sunday11%
Monday12%
Tuesday13%
Wednesday17%
Thursday16%
Friday15%
Saturday17%

Road type

Other principal arterial35%
Minor arterial20%
Major collector17%
Interstate12%
Local11%
Minor collector3%
Other freeways and expressways3%

Questions and answers

How many people died in crashes in Idaho in 2020?

214 people in 188 fatal crashes, according to NHTSA's FARS 2020 file, or 11.6 per 100,000 residents.

Which county in Idaho had the most crash deaths in 2020?

Canyon County with 24 deaths in 21 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 2020 compare with 2019 in Idaho?

214 deaths against 224 in 2019 (+-4%). Nationally the 2020 total was 39,007.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 2020 national file (accident table, vehicle and person tables); US Census Bureau population estimates. Data through 31 Dec 2024; generated 30 Sep 2026.