Fatal Roads

States › Illinois › 2020

2020

Illinois · year

Illinois in 2020

Deaths 1,193Fatal crashes 1,086Per 100,000 9.3US 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, 1,193 people died in 1,086 fatal crashes in Illinois, 9.3 deaths per 100,000 residents against 11.8 nationally.

The death toll rose 18% from 1,009 in 2019 to 1,193 in 2020.

Illinois accounted for 3.1% of the 39,007 crash deaths recorded nationally that year.

23.4% 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 (27%).

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

← 201920202021 →All years

Compared with 2019 and the nation

MeasureIllinois 2020Illinois 2019United States 2020
Deaths1,1931,00939,007
Fatal crashes1,08693835,935
Deaths per 100,000 residents9.38.011.8
Crashes with a drinking driver23%29%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. 94 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Cook County3393717.23,325
Will County57618.6563
Lake County44507.0472
DuPage County46495.2424
St. Clair County323212.7371
Madison County313212.2344
Peoria County232614.5180
Winnebago County22258.8308
LaSalle County212321.2186
McHenry County20237.3228
Kane County20224.2344
Macon County182221.8136
Sangamon County18189.3212
Kankakee County151514.1166
Champaign County13157.1163
Bureau County121546.284
Grundy County121324.188
Rock Island County12139.1103
Woodford County91231.354
McLean County11116.4144
Williamson County91116.4106
Adams County81117.269
Coles County81123.774
DeKalb County998.9109
Vermilion County9912.7115
Livingston County8925.481
Iroquois County7934.595
Jefferson County8822.278
Jackson County7815.093
Whiteside County6814.679
Clark County7746.437
Fayette County7733.153
Fulton County7721.556
Macoupin County7715.954
Tazewell County775.4116
Christian County6721.164
Kendall County674.991
Pike County5749.140
Clinton County6616.260
Douglas County6630.334
Effingham County6617.376
Jo Daviess County6627.945
Randolph County6620.164
Washington County6644.358
Lawrence County5640.537
Logan County5621.853
Marion County3616.574
Boone County559.465
Hancock County5529.419
Knox County5510.365
Montgomery County5518.174
Ogle County559.775
Richland County5532.528
Schuyler County5574.120
Ford County4537.236
Franklin County4513.579
Bond County4424.138
Jersey County4418.939
Lee County4411.946
Mason County4431.931
Morgan County4412.348
Piatt County4424.125
Saline County4417.541
Stark County4475.916
Wayne County4425.133
Massac County3429.427
Johnson County1–2430.024
Alexander County3365.325
Carroll County3319.425
Clay County3323.425
Edgar County3318.332
Shelby County3314.645
Warren County3318.528
Crawford County1–2316.326
Pope County1–2381.012
De Witt County1–21–2—23
Gallatin County1–21–2—12
Henry County1–21–2—50
McDonough County1–21–2—23
Menard County1–21–2—15
Moultrie County1–21–2—20
Putnam County1–21–2—14
Stephenson County1–21–2—54
Marshall County1–21–2—25
White County1–21–2—26
Cumberland County1–21–2—30
Greene County1–21–2—23
Hamilton County1–21–2—15
Hardin County1–21–2—8
Monroe County1–21–2—37
Perry County1–21–2—24
Pulaski County1–21–2—16
Scott County1–21–2—12
Union County1–21–2—42

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

Weekday

Sunday16%
Monday12%
Tuesday10%
Wednesday15%
Thursday14%
Friday16%
Saturday16%

Road type

Other principal arterial27%
Minor arterial23%
Major collector18%
Interstate16%
Local14%
Minor collector2%
Other freeways and expressways0%

Questions and answers

How many people died in crashes in Illinois in 2020?

1,193 people in 1,086 fatal crashes, according to NHTSA's FARS 2020 file, or 9.3 per 100,000 residents.

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

Cook County with 371 deaths in 339 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 2020 compare with 2019 in Illinois?

1,193 deaths against 1,009 in 2019 (+18%). 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.