Counties in Illinois by traffic fatalities

Cook County had the highest traffic fatalities of 102 counties in 2019, at 295. Mercer County had the lowest, at 0. The median was 3 and the figure for Illinois was 1,009. Source: National Highway Traffic Safety Administration.

Highest295Cook County

Lowest0Mercer County

Median3102 counties

Illinois1,009History

Map of counties, 2019

Under 1
1 to 2
2 to 3
3 to 7
7 to 11
11 and over

count, 2019. Source: NHTSA, Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2019

count. Source: NHTSA, Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. Retrieved 2026-10-12.

Full ranking

Rank	Counties	2019 count	Change on 2018
1	Cook County	295	+10.1%
2	Will County	54	-6.9%
3	Lake County	43	+7.5%
4	DuPage County	38	0%
5	Madison County	36	+2.9%
6	Kane County	32	+18.5%
7	Winnebago County	29	0%
8	St. Clair County	26	-13.3%
9	McHenry County	21	-8.7%
10	Kankakee County	18	+50%
11	Sangamon County	15	-34.8%
12	McLean County	14	+16.7%
13	Effingham County	13	+333.3%
13	Grundy County	13	+30%
13	Montgomery County	13	+44.4%
16	Franklin County	12	+100%
17	Iroquois County	11	-8.3%
17	Jackson County	11	+22.2%
17	Livingston County	11	+37.5%
17	Macon County	11	0%
17	Peoria County	11	-45%
17	Tazewell County	11	+57.1%
17	Vermilion County	11	-8.3%
24	LaSalle County	10	-9.1%
25	Ogle County	9	+50%
25	Stephenson County	9	+200%
27	Henry County	8	-11.1%
27	Jefferson County	8	+60%
27	Marion County	8	+14.3%
27	Rock Island County	8	-38.5%
31	Jersey County	7	n/a
31	Kendall County	7	+16.7%
31	Morgan County	7	+75%
31	Shelby County	7	+40%
31	Williamson County	7	-58.8%
36	Champaign County	6	-68.4%
36	DeKalb County	6	-50%
36	Fulton County	6	+100%
36	McDonough County	6	+500%
40	Alexander County	5	+150%
40	Pike County	5	+66.7%
42	Bureau County	4	-50%
42	Cass County	4	+33.3%
42	Ford County	4	-33.3%
42	Macoupin County	4	0%
42	Marshall County	4	+100%
42	Massac County	4	-20%
42	Perry County	4	0%
42	Washington County	4	-33.3%
42	White County	4	+33.3%
51	Bond County	3	0%
51	Douglas County	3	0%
51	Fayette County	3	-66.7%
51	Gallatin County	3	+200%
51	Henderson County	3	+50%
51	Knox County	3	-40%
51	Lee County	3	-62.5%
51	Mason County	3	0%
51	Monroe County	3	-40%
51	Putnam County	3	+200%
51	Randolph County	3	-25%
51	Saline County	3	-40%
51	Union County	3	-40%
51	Whiteside County	3	-25%
65	Carroll County	2	-33.3%
65	Christian County	2	-66.7%
65	Clark County	2	-50%
65	Clay County	2	-33.3%
65	Clinton County	2	-66.7%
65	Coles County	2	-71.4%
65	Cumberland County	2	+100%
65	De Witt County	2	+100%
65	Edgar County	2	-60%
65	Greene County	2	+100%
65	Hardin County	2	n/a
65	Jo Daviess County	2	-60%
65	Lawrence County	2	+100%
65	Logan County	2	-50%
65	Menard County	2	0%
65	Moultrie County	2	0%
65	Scott County	2	+100%
65	Warren County	2	-66.7%
65	Woodford County	2	-60%
84	Adams County	1	-85.7%
84	Boone County	1	-88.9%
84	Calhoun County	1	0%
84	Crawford County	1	-80%
84	Hamilton County	1	n/a
84	Hancock County	1	-50%
84	Jasper County	1	0%
84	Piatt County	1	-66.7%
84	Pope County	1	0%
84	Pulaski County	1	-50%
84	Richland County	1	n/a
84	Schuyler County	1	-66.7%
84	Stark County	1	n/a
84	Wabash County	1	n/a
84	Wayne County	1	-80%
99	Brown County	0	-100%
99	Edwards County	0	n/a
99	Johnson County	0	-100%
99	Mercer County	0	n/a

Other periods

About this ranking

People killed in motor vehicle traffic crashes during the year. FARS counts people who die within 30 days of a crash involving a motor vehicle travelling on a public road, by the place of the crash, not of residence.

A police-based count of deaths. It differs from death certificate counts (CDC) and from the WHO road traffic death rate (road_traffic_death_rate), which is modelled for international comparison.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

National Highway Traffic Safety Administration (NHTSA), Fatality Analysis Reporting System. Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. https://static.nhtsa.gov/nhtsa/downloads/FARS/2019/National/FARS2019NationalCSV.zip. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

National Highway Traffic Safety Administration. (2026). Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash (Counties in Illinois by traffic fatalities, 2019) [Data set]. Retrieved October 12, 2026, from https://static.nhtsa.gov/nhtsa/downloads/FARS/2019/National/FARS2019NationalCSV.zip

MLA 9

Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash, Counties in Illinois by traffic fatalities, 2019. National Highway Traffic Safety Administration, 24 June 2026, https://static.nhtsa.gov/nhtsa/downloads/FARS/2019/National/FARS2019NationalCSV.zip. Invokely, https://invokely.ai/rankings/traffic-fatalities/illinois-counties?period=2019. Accessed 12 Oct. 2026.

Chicago (author-date)

National Highway Traffic Safety Administration. 2026. Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. Counties in Illinois by traffic fatalities, 2019. Dataset. Accessed October 12, 2026. https://static.nhtsa.gov/nhtsa/downloads/FARS/2019/National/FARS2019NationalCSV.zip. Also distributed by Invokely, https://invokely.ai/rankings/traffic-fatalities/illinois-counties?period=2019.

Harvard

National Highway Traffic Safety Administration (2026) Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash, Counties in Illinois by traffic fatalities, 2019 [Dataset]. Available at: https://static.nhtsa.gov/nhtsa/downloads/FARS/2019/National/FARS2019NationalCSV.zip, via Invokely: https://invokely.ai/rankings/traffic-fatalities/illinois-counties?period=2019 (Accessed: 12 October 2026).

BibTeX

@misc{national_counties_in_illinois_by_2019,
  author = {{National Highway Traffic Safety Administration}},
  title = {{Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash: Counties in Illinois by traffic fatalities, 2019}},
  year = {2026},
  howpublished = {Data set},
  url = {https://static.nhtsa.gov/nhtsa/downloads/FARS/2019/National/FARS2019NationalCSV.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/traffic-fatalities/illinois-counties?period=2019. Publisher attribution: National Highway Traffic Safety Administration (NHTSA), Fatality Analysis Reporting System. Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. https://static.nhtsa.gov/nhtsa/downloads/FARS/2019/National/FARS2019NationalCSV.zip. Retrieved 2026-10-12.},
}

RIS

TY  - DATA
AU  - National Highway Traffic Safety Administration
TI  - Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash: Counties in Illinois by traffic fatalities, 2019
PY  - 2026
DA  - 2026/06/24
PB  - National Highway Traffic Safety Administration
DB  - Invokely
UR  - https://static.nhtsa.gov/nhtsa/downloads/FARS/2019/National/FARS2019NationalCSV.zip
L2  - https://invokely.ai/rankings/traffic-fatalities/illinois-counties?period=2019
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/traffic-fatalities/illinois-counties?period=2019.
N1  - Publisher attribution: National Highway Traffic Safety Administration (NHTSA), Fatality Analysis Reporting System. Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. https://static.nhtsa.gov/nhtsa/downloads/FARS/2019/National/FARS2019NationalCSV.zip. Retrieved 2026-10-12.
ER  -

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Rank Counties in Illinois by traffic fatalities using official data, and cite the source.

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Questions

Which county has the highest traffic fatalities?

Cook County, with 295 in 2019, according to National Highway Traffic Safety Administration.

Which county has the lowest traffic fatalities?

Mercer County, with 0 in 2019.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. Retrieved 2026-10-12.