Quick answer
According to crimebycity.com's analysis of NHTSA Fatality Analysis Reporting System data, Algonquin, IL recorded 1 traffic deaths in 1 fatal crashes from 2020 to 2024 — 0.7 deaths per 100,000 residents per year vs the US average of 12.3. Its Road Danger Score of 2/100 means a higher traffic-fatality rate than about 2% of ranked US cities (#145 of 147 in Illinois, most dangerous first).
Road Danger Score
Traffic Deaths per 100K
Fatal Crashes 2020–2024
How Dangerous Are the Roads in Algonquin, Illinois?
Algonquin has a Road Danger Score of 2/100 (Safer Roads Than Most Cities). Over the five years from 2020 to 2024, federal crash data recorded 1 fatal motor-vehicle crashes in the city, killing 1 people — 0.7 traffic deaths per 100,000 residents per year, below the national average of 12.3.
Algonquin ranks #145 out of 147 ranked cities in Illinois and #2,121 out of 2,153 nationally for road danger (most dangerous first). The score is a percentile: a higher traffic-fatality rate than about 2% of ranked US cities.
The most distinctive factor in Algonquin's fatal crashes: pedestrian or cyclist involved — 100% of fatal crashes, versus 23% nationally.
What’s Behind Algonquin’s Fatal Crashes (2020–2024)
Share of the city’s 1 fatal crashes where each factor was recorded. Factors overlap, so shares don’t sum to 100%.
| Crash Factor | Fatal Crashes | Algonquin | National Avg |
|---|---|---|---|
| Drinking driver involved | 0 | 0.0% | 25.9% |
| Speeding involved | 0 | 0.0% | 28.2% |
| Pedestrian or cyclist involved | 1 | 100.0% | 22.5% |
| Dark / nighttime conditions | 1 | 100.0% | 49.8% |
Algonquin Traffic Deaths by Year
Annual traffic fatalities in Algonquin, 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 | 0 |
| 2023 | 1 |
| 2022 | 0 |
| 2021 | 0 |
| 2020 | 0 |
Frequently Asked Questions
How many fatal car accidents happen in Algonquin, Illinois?
According to NHTSA FARS data, Algonquin recorded 1 fatal car accidents between 2020 and 2024, resulting in 1 traffic deaths — an average of 0.2 deaths per year.
How dangerous are the roads in Algonquin?
Algonquin has a Road Danger Score of 2/100, meaning its traffic-fatality rate is higher than about 2% of ranked US cities. The city averages 0.7 traffic deaths per 100,000 residents per year, compared to the US average of 12.3.
What causes fatal car accidents in Algonquin?
Of Algonquin's fatal crashes in 2020–2024, 0% involved a drinking driver, 0% involved speeding, 100% involved a pedestrian or cyclist, and 100% happened in dark conditions.
How many people die in car accidents in Algonquin each year?
An average of 0.2 people per year died in car accidents in Algonquin across 2020–2024 (1 total), based on the federal Fatality Analysis Reporting System.
Is driving in Algonquin more dangerous than in other Illinois cities?
Algonquin ranks #145 of 147 ranked Illinois cities for road danger (most dangerous first) and #2,121 of 2,153 nationally.