Fatal Roads

States › Illinois › 2023

2023

Illinois · year

Illinois in 2023

Deaths 1,241Fatal crashes 1,143Per 100,000 9.8US 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, 1,241 people died in 1,143 fatal crashes in Illinois, 9.8 deaths per 100,000 residents against 12.2 nationally.

The death toll was about level between 2022 (1,268) and 2023 (1,241).

Illinois accounted for 3% of the 41,025 crash deaths recorded nationally that year.

23.8% 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%).

32% of the crashes happened between 6pm to midnight; Saturday was the most common day.

Compared with 2022 and the nation

MeasureIllinois 2023Illinois 2022United States 2023
Deaths1,2411,26841,025
Fatal crashes1,1431,14737,769
Deaths per 100,000 residents9.810.012.2
Crashes with a drinking driver24%23%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. 91 counties listed.

CountyFatal crashesDeathsPer 100,000Deaths 2015–2024
Cook County3573777.33,325
Lake County57608.3472
DuPage County46485.1424
Kane County43489.2344
Will County36425.9563
Madison County323914.8344
St. Clair County363614.3371
Winnebago County303010.6308
Sangamon County282814.4212
LaSalle County222523.1186
McLean County222212.8144
Macon County202019.9136
Champaign County14178.0163
DeKalb County151615.8109
Peoria County15168.9180
Ogle County141631.275
Vermilion County111521.1115
Kankakee County131413.2166
Stephenson County121330.254
Montgomery County91347.174
Tazewell County11129.2116
Boone County101120.665
Jefferson County81130.578
McHenry County10103.2228
Iroquois County91038.495
Woodford County81026.154
Saline County9939.441
Jackson County8916.993
Rock Island County896.3103
Franklin County7924.379
Effingham County5926.076
Bureau County8824.684
Pike County7856.140
Grundy County7713.088
Kendall County774.991
Mason County7755.831
Whiteside County7712.879
Monroe County6720.037
Hamilton County4789.515
Clinton County6616.260
Fulton County6618.556
Marion County6616.574
Bond County5636.238
Jo Daviess County5627.945
Union County5635.542
Lawrence County4640.537
Richland County4639.128
Adams County557.869
Knox County5510.365
Livingston County5514.181
Morgan County5515.348
Williamson County557.5106
Cumberland County4548.530
Coles County3510.874
Christian County4412.064
Clark County4426.537
Douglas County4420.234
Fayette County4418.953
Ford County4429.736
Logan County4414.553
McDonough County4415.023
Piatt County4424.125
Wayne County4425.133
Greene County3326.323
Henderson County3349.616
Jasper County3333.022
Pulaski County3361.516
Randolph County3310.064
Shelby County3314.645
Washington County3322.258
Clay County1–2323.425
Mercer County1–2319.614
Brown County1–21–2—5
Crawford County1–21–2—26
De Witt County1–21–2—23
Edgar County1–21–2—32
Hancock County1–21–2—19
Henry County1–21–2—50
Johnson County1–21–2—24
Lee County1–21–2—46
Massac County1–21–2—27
Moultrie County1–21–2—20
Pope County1–21–2—12
Wabash County1–21–2—11
Carroll County1–21–2—25
Putnam County1–21–2—14
Alexander County1–21–2—25
Jersey County1–21–2—39
Perry County1–21–2—24
Scott County1–21–2—12
Stark 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

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

Weekday

Sunday16%
Monday14%
Tuesday11%
Wednesday11%
Thursday13%
Friday17%
Saturday17%

Road type

Other principal arterial31%
Minor arterial25%
Major collector17%
Interstate13%
Local11%
Minor collector2%
Other freeways and expressways0%

Questions and answers

How many people died in crashes in Illinois in 2023?

1,241 people in 1,143 fatal crashes, according to NHTSA's FARS 2023 file, or 9.8 per 100,000 residents.

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

Cook County with 377 deaths in 357 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 2023 compare with 2022 in Illinois?

1,241 deaths against 1,268 in 2022 (+-2%). 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.