Risk preview

Lone Star Tick Map

An educational view of where Lone Star ticks have been reported in the United States. Risk estimates are for awareness only — not a substitute for official public health guidance.

U.S. Lone Star tick awareness

Risk preview — educational estimate

Preview
Low
Emerging
Established
High Awareness

Risk legend

Low

Few or no Lone Star tick reports.

Emerging

Reports growing; awareness recommended.

Established

Within the documented Lone Star tick range.

High Awareness

Frequently reported and high alpha-gal awareness.

Disclaimer: Risk estimates on this map are educational and based on publicly reported tick surveillance information. They should not replace official public health guidance from agencies like the CDC or your state health department.