Illinois in 2011
Deaths 918Fatal crashes 835Per 100,000 7.1US deaths 32,479
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 2011.
In 2011, 918 people died in 835 fatal crashes in Illinois, 7.1 deaths per 100,000 residents against 10.4 nationally.
The death toll was about level between 2010 (927) and 2011 (918).
Illinois accounted for 2.8% of the 32,479 crash deaths recorded nationally that year.
32.6% of the state's fatal crashes that year had at least one driver reported as drinking.
30% of the crashes happened between 6pm to midnight; Saturday was the most common day.
Compared with 2010 and the nation
| Measure | Illinois 2011 | Illinois 2010 | United States 2011 |
|---|---|---|---|
| Deaths | 918 | 927 | 32,479 |
| Fatal crashes | 835 | 858 | 29,867 |
| Deaths per 100,000 residents | 7.1 | 7.2 | 10.4 |
| Crashes with a drinking driver | 33% | 37% | 31% |
Counties in 2011
Every county with a fatal crash in 2011, 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.
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
Weekday
Questions and answers
How many people died in crashes in Illinois in 2011?
918 people in 835 fatal crashes, according to NHTSA's FARS 2011 file, or 7.1 per 100,000 residents.
Which county in Illinois had the most crash deaths in 2011?
Cook County with 234 deaths in 213 fatal crashes. The table on this page lists every county with a fatal crash that year.
How did 2011 compare with 2010 in Illinois?
918 deaths against 927 in 2010 (+-1%). Nationally the 2011 total was 32,479.
Provenance
Source: NHTSA Fatality Analysis Reporting System, 2011 national file (accident table); US Census Bureau population estimates. Data through 31 Dec 2024; generated 30 Sep 2026.