Quick answer
According to crimebycity.com's analysis of NHTSA Fatality Analysis Reporting System data, Buffalo Grove, IL recorded 6 traffic deaths in 6 fatal crashes from 2020 to 2024 — 2.8 deaths per 100,000 residents per year vs the US average of 12.3. Its Road Danger Score of 10/100 means a higher traffic-fatality rate than about 10% of ranked US cities (#133 of 147 in Illinois, most dangerous first).
Road Danger Score
Traffic Deaths per 100K
Fatal Crashes 2020–2024
How Dangerous Are the Roads in Buffalo Grove, Illinois?
Buffalo Grove has a Road Danger Score of 10/100 (Safer Roads Than Most Cities). Over the five years from 2020 to 2024, federal crash data recorded 6 fatal motor-vehicle crashes in the city, killing 6 people — 2.8 traffic deaths per 100,000 residents per year, below the national average of 12.3.
Buffalo Grove ranks #133 out of 147 ranked cities in Illinois and #1,947 out of 2,153 nationally for road danger (most dangerous first). The score is a percentile: a higher traffic-fatality rate than about 10% of ranked US cities.
The most distinctive factor in Buffalo Grove's fatal crashes: pedestrian or cyclist involved — 50% of fatal crashes, versus 23% nationally.
What’s Behind Buffalo Grove’s Fatal Crashes (2020–2024)
Share of the city’s 6 fatal crashes where each factor was recorded. Factors overlap, so shares don’t sum to 100%.
| Crash Factor | Fatal Crashes | Buffalo Grove | National Avg |
|---|---|---|---|
| Drinking driver involved | 0 | 0.0% | 25.9% |
| Speeding involved | 0 | 0.0% | 28.2% |
| Pedestrian or cyclist involved | 3 | 50.0% | 22.5% |
| Dark / nighttime conditions | 4 | 66.7% | 49.8% |
Buffalo Grove Traffic Deaths by Year
Annual traffic fatalities in Buffalo Grove, 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 | 1 |
| 2023 | 1 |
| 2022 | 1 |
| 2021 | 0 |
| 2020 | 3 |
Frequently Asked Questions
How many fatal car accidents happen in Buffalo Grove, Illinois?
According to NHTSA FARS data, Buffalo Grove recorded 6 fatal car accidents between 2020 and 2024, resulting in 6 traffic deaths — an average of 1.2 deaths per year.
How dangerous are the roads in Buffalo Grove?
Buffalo Grove has a Road Danger Score of 10/100, meaning its traffic-fatality rate is higher than about 10% of ranked US cities. The city averages 2.8 traffic deaths per 100,000 residents per year, compared to the US average of 12.3.
What causes fatal car accidents in Buffalo Grove?
Of Buffalo Grove's fatal crashes in 2020–2024, 0% involved a drinking driver, 0% involved speeding, 50% involved a pedestrian or cyclist, and 67% happened in dark conditions.
How many people die in car accidents in Buffalo Grove each year?
An average of 1.2 people per year died in car accidents in Buffalo Grove across 2020–2024 (6 total), based on the federal Fatality Analysis Reporting System.
Is driving in Buffalo Grove more dangerous than in other Illinois cities?
Buffalo Grove ranks #133 of 147 ranked Illinois cities for road danger (most dangerous first) and #1,947 of 2,153 nationally.