Are ticks bad in Cook County, IL?

There have been 134 tick reports in the Cook County area, including 1 bites and 133 sightings. Check Tick Map for the latest 2026 activity.

What types of ticks are found in Cook County?

The most reported tick species in Cook County include Unidentified, Deer Tick.

How do I protect myself from ticks in Cook County?

Use EPA-registered tick repellent (DEET, picaridin, or OLE), wear long sleeves and pants, treat clothing with permethrin, do daily tick checks, and shower within 2 hours of being outdoors.

Tick Map

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Ticks in Cook County, IL

134 tick reports in the Cook County area. Track sightings, bites, and species near you.

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134

Total Reports

133

Sightings

Bites

Tick Species in Cook County

Unidentified

133 (99%)

Deer Tick

High — carries Lyme disease

1 (1%)

Cities with Reports in Cook County

Cook County19 Labagh Woods6 Darien6 Ravenswood6 Uptown5 Chicago4 North Park4 Evanston4 Illinois3 Lincoln Square3 Park Ave3 Field Museum3 Lincoln Park3 Old Town2 Morgan Park2

Recent Reports

🩸 Unidentified — Unknown

9d ago

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👁️ Unidentified — Cook County, IL, USA

3mo ago

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👁️ Unidentified — Illinois, US

3mo ago

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👁️ Deer Tick — Cook County, IL

3mo ago

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👁️ Unidentified — Western & Ardmore, Chicago, IL 60659, USA

3mo ago

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👁️ Unidentified — Chicago, IL, USA

3mo ago

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👁️ Unidentified — Little Calumet River Levee Trail, Highland, IN, US

3mo ago

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👁️ Unidentified — Nichols Park, Chicago, IL, US

3mo ago

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Tick Removal Guide Tick Bite Symptoms Lyme Disease Guide Tick Prevention Ticks in Illinois Tick Species Guide