- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Reports of Lyme Disease in the U.S.
538,775
Total cases of Lyme disease confirmed nationwide (2000 to 2018).
Note:
Due to the fact that the CDC's data only represents confirmed cases, the actual quantity of Lyme disease cases may be far greater. We estimate a total of 5,387,750 true cases of lyme of disease in U.S. since the year 2000.
Most Infected Counties
| County | Total Cases |
|---|---|
| Dutchess County, New York | 11,519 |
| Chester County, Pennsylvania | 11,436 |
| Fairfield County, Connecticut | 9,739 |
| Connecticut (Unknown County) | 9,054 |
| Bucks County, Pennsylvania | 8,801 |
| Morris County, New Jersey | 8,508 |
| Montgomery County, Pennsylvania | 8,237 |
| Middlesex County, Massachusetts | 8,168 |
| Columbia County, New York | 7,017 |
| New London County, Connecticut | 6,515 |
| Hunterdon County, New Jersey | 6,345 |
| Orange County, New York | 6,302 |
| New Haven County, Connecticut | 6,119 |
| Monmouth County, New Jersey | 6,115 |
| Suffolk County, New York | 5,981 |
| Plymouth County, Massachusetts | 5,965 |
| York County, Pennsylvania | 5,788 |
| New Castle County, Delaware | 5,535 |
| Rockingham County, New Hampshire | 5,443 |
| Sussex County, New Jersey | 5,426 |
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Data Sources
All Lyme disease prevalence data sourced from the Centers for Disease Control and Prevention's surveillance data.