Are ticks a problem in Washington County?

There have been 13 tick reports near Washington County, OR, with 0 bites and 13 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 Washington County?

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

Tick Map

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Ticks in Washington County, OR

13 tick reports from the Washington County, OR area.

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Total Reports

Sightings

Bites

Species Found in Washington County

Unidentified12 (92%)

Deer Tick1 (8%)

Risk: High — carries Lyme disease

Tick Safety in Washington County

Ticks are active in Washington County, OR and surrounding areas. The most commonly reported species is the Unidentified, making up 92% 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