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All 64 Colorado counties ranked by crashes in the trailing 12 months, with change versus the prior 12-month window.
Total Counties
64
Highest Crash Rate
44.4/1K
Counties Improving
45
Counties Worsening
17
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Click a county for detailed analysis. Rankings use a rolling 12-month window so every county is compared on the same date range.
Rank | County | Total Crashes | Fatalities |
|---|---|---|---|
| #1 | Denver | 32,284 | 114 |
| #2 | El Paso | 9,824 | 99 |
| #3 | Adams | 9,736 | 72 |
| #4 | Arapahoe | 9,478 | 54 |
| #5 | Jefferson | 7,593 | 41 |
| #6 | Weld | 5,870 | 90 |
| #7 | Larimer | 5,824 | 31 |
| #8 | Douglas | 4,855 | 30 |
| #9 | Boulder | 4,362 | 20 |
| #10 | Pueblo | 2,940 | 39 |
| #11 | Mesa | 2,341 | 29 |
| #12 | Garfield | 1,255 | 11 |
| #13 | La Plata | 1,178 | 0 |
| #14 | Broomfield | 1,106 | 5 |
| #15 | Eagle | 938 | 1 |
Showing 1 to 15 of 64 results
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CrashStory. "Colorado County Crash Rankings." CrashStory, 2026. . Based on official CDOT crash records.