Are ticks a problem in Colorado?

There have been 32 tick reports near Colorado, CO, with 0 bites and 32 sightings. The most common species reported is the Unidentified. Check the Tick Map for the latest 2026 tick activity.

What kind of ticks are in Colorado?

The most commonly reported tick species in Colorado include Unidentified, Lone Star Tick, Deer Tick. Each species carries different disease risks — see our species guide for identification help.

Tick Map

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Ticks in Colorado, CO

32 tick reports from the Colorado, CO area.

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Total Reports

Sightings

Bites

Species Found in Colorado

Unidentified30 (94%)

Lone Star Tick1 (3%)

Risk: Moderate — Alpha-gal syndrome

Deer Tick1 (3%)

Risk: High — carries Lyme disease

Tick Safety in Colorado

Ticks are active in Colorado, CO and surrounding areas. The most commonly reported species is the Unidentified, making up 94% of reports.

✓Wear light-colored clothing when walking in wooded areas or tall grass
✓Use EPA-registered tick repellent (DEET, picaridin, or IR3535)
✓Do a full-body tick check after being outdoors — especially behind ears, hairline, and waistband
✓Shower within 2 hours of coming inside
✓If bitten, remove the tick with fine-tipped tweezers and monitor for symptoms for 30 days