134
Fatal crashes
157
Fatalities
43%
Drunk driver
19
Avg per year
Deadliest fatal-crash clusters in Mchenry County
Locations with multiple fatal crashes on the same road segment, 2017-2023. Click any location to pull the full report — every individual crash with vehicle, person, and contributing-factor detail.
2 fatal crashes
$9 report →
2 fatalities · 2018–2019
Principal Arterial - Other · Woodstock
42.293, -88.422
2 fatal crashes
$9 report →
3 fatalities · 2017–2020
Principal Arterial - Other · Woodstock
42.295, -88.433
2 fatal crashes
$9 report →
2 fatalities · 2019–2020
Principal Arterial - Other
42.360, -88.417
Crashes by year
| Year | Crashes | Fatalities | Drunk driver |
|---|---|---|---|
| 2017 | 27 | 33 | 14 |
| 2018 | 19 | 23 | 5 |
| 2019 | 21 | 21 | 7 |
| 2020 | 20 | 23 | 10 |
| 2021 | 19 | 21 | 8 |
| 2022 | 18 | 26 | 8 |
| 2023 | 10 | 10 | 5 |
Cities in Mchenry County
Fatal crashes by city within Mchenry County. Need crash history at a specific address or intersection? Our intersection report shows every fatal crash within any radius of a GPS coordinate.
| City | Crashes | Fatalities |
|---|---|---|
| WOODSTOCK | 9 | 10 |
| CRYSTAL LAKE | 8 | 8 |
| SPRING GROVE | 7 | 7 |
| MCHENRY | 6 | 7 |
| ALGONQUIN | 5 | 7 |
| Other | 5 | 5 |
| LAKE IN THE HILLS | 4 | 4 |
| HARVARD | 3 | 3 |
| MARENGO | 2 | 2 |
| FOX RIVER GROVE | 2 | 2 |
| LAKEMOOR | 1 | 1 |
| HEBRON | 1 | 1 |
| HUNTLEY | 1 | 1 |
| BARRINGTON HILLS | 1 | 1 |
| RINGWOOD | 1 | 1 |
When crashes happen
By month
| Month | Crashes |
|---|---|
| January | 6 |
| February | 8 |
| March | 9 |
| April | 7 |
| May | 14 |
| June | 16 |
| July | 18 |
| August | 14 |
| September | 19 |
| October | 12 |
| November | 6 |
| December | 5 |
Most dangerous hours
| Hour | Crashes |
|---|---|
| 19:00 | 15 |
| 21:00 | 10 |
| 16:00 | 8 |
| 13:00 | 8 |
| 11:00 | 7 |
| 22:00 | 7 |
| 06:00 | 6 |
| 02:00 | 6 |
| 15:00 | 6 |
| 00:00 | 6 |
Vehicles involved in fatal crashes
| Make | Vehicles involved |
|---|---|
| Ford | 28 |
| Harley-Davidson | 23 |
| Chevrolet | 22 |
| Toyota | 22 |
| Dodge | 14 |
| Honda | 13 |
| Nissan/Datsun | 10 |
| Jeep / Kaiser-Jeep / Willys- Jeep | 7 |
| Mazda | 5 |
| Acura | 5 |
Conditions
Weather
| Weather | Crashes |
|---|---|
| Clear | 115 |
| Rain | 11 |
| Cloudy | 3 |
| Fog, Smog, Smoke | 2 |
| Snow | 2 |
| Blowing Snow | 1 |
Collision type
| Type | Crashes |
|---|---|
| Single vehicle / pedestrian / object | 73 |
| Angle | 30 |
| Front-to-Front | 15 |
| Front-to-Rear | 11 |
| Sideswipe - Opposite Direction | 4 |
| Sideswipe - Same Direction | 1 |
Need crash data for a specific location in Mchenry County?
Our intersection report shows every fatal crash within any radius of a GPS coordinate — with a map, event sequence, contributing factors, vehicle and person details. Used by attorneys for discovery and insurance teams for risk assessment.
For programmatic access to Mchenry County crash data, see the API guide. $19/mo for full access.
Data source: NHTSA Fatality Analysis Reporting System (FARS), 2017-2023. Updated annually.
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