Surveillance Data
Due to the coronavirus disease 2019 (COVID-19) pandemic, 2019 and 2020 data from some jurisdictions may be incomplete.
Case Counts and Incidence Tables
- Lyme Disease Cases by State or Locality [XLS – 3 KB]
- Lyme Disease Cases by Year and Region, United States [XLS – 3 KB]
- Lyme Disease Incidence Rates by State or Locality [XLS – 4 KB]
- Lyme Disease Overall Cases by Year, United States [XLS – 416 B]
- Lyme Disease Overall Rates by Year, United States [XLS – 344 B]
- Lyme Disease Rates by Year and Region, United States [XLS – 4 KB]
Demographic Tables
- Lyme Disease Number of Cases by Race, United States [XLS – 618 B]
- Lyme Disease Percent of Total Cases by Age Group and Year [XLS – 6 KB]
- Lyme Disease Rates Among Cases by Age Group and Sex, United States [XLS – 5 KB]
Seasonality Tables
- Lyme Disease Cases by Month of Disease Onset, United States [XLS – 1 KB]
- Lyme Disease Cases by Week of Disease Onset, United States [XLS – 3 KB]
Note: some formatting errors may appear when opening .csv files in Excel. Import .csv into Excel or open files as .txt to avoid errors.