Lyme Disease Case Maps

For Everyone

Key points

  • These maps show reported Lyme disease cases for three timepoints: 2023, 2010, and 1995.
  • Since 1995, the range of Lyme disease cases in the United States has expanded significantly.
  • Cases are reported from the infected person’s county of residence (where known), not necessarily the place where the person was infected.
Map of the United States showing reported cases of Lyme disease in 2023.

Reported cases of Lyme disease, 2023

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Map of the United States showing reported cases of Lyme disease in 2023.
Map of the United States showing reported cases of Lyme disease in 2023. One dot placed in county of residence for each reported case.

Lyme disease data

To access Lyme disease case data go to data set.

To download a labeled static map for the most recent year of data, click here.

Reported cases of Lyme disease, 2010

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Map of the United States showing reported cases of Lyme disease in 2010.
Map of the United States showing reported cases of Lyme disease in 2010. One dot placed in county of residence for each reported case.

Reported cases of Lyme disease, 1995

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Map of the United States showing reported cases of Lyme disease in 1995.
Map of the United States showing reported cases of Lyme disease in 1995. One dot placed in county of residence for each reported case.
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Content Source
National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
About This Page
Published: May 15, 2024
Updated: June 4, 2025

This page was last updated on this date. Updates may include minor edits, image changes, or other modifications to page content.

Reviewed: June 4, 2025

The information on this page was last reviewed by subject matter experts to ensure accuracy.