Fatal Roads

States › Illinois › 2018

2018

Illinois · year

Illinois in 2018

Deaths 1,035Fatal crashes 951Per 100,000 8.1US deaths 36,835

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 2018.

In 2018, 1,035 people died in 951 fatal crashes in Illinois, 8.1 deaths per 100,000 residents against 11.3 nationally.

The death toll fell 5% from 1,090 in 2017 to 1,035 in 2018.

Illinois accounted for 2.8% of the 36,835 crash deaths recorded nationally that year.

30.6% 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 (29%).

34% of the crashes happened between 6pm to midnight; Sunday was the most common day.

Compared with 2017 and the nation

MeasureIllinois 2018Illinois 2017United States 2018
Deaths1,0351,09036,835
Fatal crashes95199833,919
Deaths per 100,000 residents8.18.511.3
Crashes with a drinking driver31%32%26%

Counties in 2018

Every county with a fatal crash in 2018, 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 County2482685.23,325
Will County52588.2563
Lake County38405.6472
DuPage County34384.1424
Madison County313513.3344
St. Clair County303011.9371
Winnebago County262910.2308
Kane County27275.2344
Sangamon County202311.8212
McHenry County19237.3228
Peoria County192011.1180
Champaign County18198.9163
Williamson County141725.3106
Rock Island County12139.1103
DeKalb County121211.8109
Kankakee County121211.3166
Vermilion County111216.9115
Iroquois County101246.095
McLean County9127.0144
LaSalle County111110.1186
Macon County111110.9136
Grundy County91018.688
Henry County9918.750
Jackson County9916.993
Boone County8916.965
Fayette County8942.553
Montgomery County8932.674
Bureau County8824.684
Livingston County8822.681
Lee County6823.846
Coles County7715.174
Marion County7719.274
Tazewell County775.4116
Adams County4710.969
Christian County6618.064
Franklin County6616.279
Kendall County664.291
Ogle County6611.775
Washington County6644.358
Clinton County5616.260
Ford County5644.636
Warren County5637.028
Crawford County5527.226
Edgar County5530.532
Jefferson County5513.878
Johnson County5537.524
Knox County5510.365
Monroe County5514.337
Saline County5521.941
Shelby County5524.345
Union County5529.642
Wayne County5531.433
Woodford County5513.154
Jo Daviess County4523.245
Massac County3536.727
Clark County4426.537
Macoupin County449.154
Perry County4419.724
Whiteside County447.379
Logan County3414.553
Randolph County3413.464
Morgan County1–2412.348
Bond County3318.138
Carroll County3319.425
Cass County3323.620
Effingham County338.776
Fulton County339.256
Pike County3321.040
Schuyler County3344.420
Stephenson County337.054
Clay County1–2323.425
Mason County1–2323.931
Piatt County1–2318.025
White County1–2322.426
Douglas County1–2315.134
Alexander County1–21–2—25
Hancock County1–21–2—19
Marshall County1–21–2—25
Menard County1–21–2—15
Moultrie County1–21–2—20
Pulaski County1–21–2—16
Henderson County1–21–2—16
Brown County1–21–2—5
Calhoun County1–21–2—5
Cumberland County1–21–2—30
De Witt County1–21–2—23
Gallatin County1–21–2—12
Greene County1–21–2—23
Jasper County1–21–2—22
Lawrence County1–21–2—37
McDonough County1–21–2—23
Pope County1–21–2—12
Putnam County1–21–2—14
Scott County1–21–2—12

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

Weekday

Sunday18%
Monday12%
Tuesday11%
Wednesday14%
Thursday14%
Friday14%
Saturday17%

Road type

Other principal arterial29%
Minor arterial26%
Major collector16%
Interstate15%
Local11%
Minor collector2%
Other freeways and expressways0%

Questions and answers

How many people died in crashes in Illinois in 2018?

1,035 people in 951 fatal crashes, according to NHTSA's FARS 2018 file, or 8.1 per 100,000 residents.

Which county in Illinois had the most crash deaths in 2018?

Cook County with 268 deaths in 248 fatal crashes. The table on this page lists every county with a fatal crash that year.

How did 2018 compare with 2017 in Illinois?

1,035 deaths against 1,090 in 2017 (+-5%). Nationally the 2018 total was 36,835.

Provenance

Source: NHTSA Fatality Analysis Reporting System, 2018 national file (accident table, vehicle and person tables); US Census Bureau population estimates. Data through 31 Dec 2024; generated 30 Sep 2026.