Lyme Disease Case Maps

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 U.S. 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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