Quick answer
According to crimebycity.com's analysis of NHTSA Fatality Analysis Reporting System data, Cahokia, IL recorded 17 traffic deaths in 16 fatal crashes from 2020 to 2024 — 24.7 deaths per 100,000 residents per year vs the US average of 12.3. Its Road Danger Score of 97/100 means a higher traffic-fatality rate than about 97% of ranked US cities (#2 of 147 in Illinois, most dangerous first).
Road Danger Score
Traffic Deaths per 100K
Fatal Crashes 2020–2024
How Dangerous Are the Roads in Cahokia, Illinois?
Cahokia has a Road Danger Score of 97/100 (High Road Danger). Over the five years from 2020 to 2024, federal crash data recorded 16 fatal motor-vehicle crashes in the city, killing 17 people — 24.7 traffic deaths per 100,000 residents per year, above the national average of 12.3.
Cahokia ranks #2 out of 147 ranked cities in Illinois and #56 out of 2,153 nationally for road danger (most dangerous first). The score is a percentile: a higher traffic-fatality rate than about 97% of ranked US cities.
The most distinctive factor in Cahokia's fatal crashes: dark / nighttime conditions — 69% of fatal crashes, versus 50% nationally.
What’s Behind Cahokia’s Fatal Crashes (2020–2024)
Share of the city’s 16 fatal crashes where each factor was recorded. Factors overlap, so shares don’t sum to 100%.
| Crash Factor | Fatal Crashes | Cahokia | National Avg |
|---|---|---|---|
| Drinking driver involved | 2 | 12.5% | 25.9% |
| Speeding involved | 6 | 37.5% | 28.2% |
| Pedestrian or cyclist involved | 4 | 25.0% | 22.5% |
| Dark / nighttime conditions | 11 | 68.8% | 49.8% |
Cahokia Traffic Deaths by Year
Annual traffic fatalities in Cahokia, Illinois from NHTSA FARS. Single-year swings are normal in smaller cities; the Road Danger Score uses the full 5-year window.
| Year | Traffic Deaths |
|---|---|
| 2024 | 4 |
| 2023 | 2 |
| 2022 | 7 |
| 2021 | 3 |
| 2020 | 1 |
Frequently Asked Questions
How many fatal car accidents happen in Cahokia, Illinois?
According to NHTSA FARS data, Cahokia recorded 16 fatal car accidents between 2020 and 2024, resulting in 17 traffic deaths — an average of 3.4 deaths per year.
How dangerous are the roads in Cahokia?
Cahokia has a Road Danger Score of 97/100, meaning its traffic-fatality rate is higher than about 97% of ranked US cities. The city averages 24.7 traffic deaths per 100,000 residents per year, compared to the US average of 12.3.
What causes fatal car accidents in Cahokia?
Of Cahokia's fatal crashes in 2020–2024, 13% involved a drinking driver, 38% involved speeding, 25% involved a pedestrian or cyclist, and 69% happened in dark conditions.
How many people die in car accidents in Cahokia each year?
An average of 3.4 people per year died in car accidents in Cahokia across 2020–2024 (17 total), based on the federal Fatality Analysis Reporting System.
Is driving in Cahokia more dangerous than in other Illinois cities?
Cahokia ranks #2 of 147 ranked Illinois cities for road danger (most dangerous first) and #56 of 2,153 nationally.