- 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.
482,297
Total cases of lyme disease confirmed nationwide (2000 to 2016).
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 4,822,970 true cases of lyme of disease in U.S. since the year 2000.
Most Infected Counties
| County | Total Cases |
|---|---|
| Dutchess County, New York | 11,963 |
| Chester County, Pennsylvania | 10,611 |
| Fairfield County, Connecticut | 9,387 |
| Connecticut (Unknown County) | 9,002 |
| Middlesex County, Massachusetts | 8,395 |
| Bucks County, Pennsylvania | 8,186 |
| Montgomery County, Pennsylvania | 7,723 |
| Morris County, New Jersey | 7,679 |
| Columbia County, New York | 7,026 |
| Orange County, New York | 6,466 |
| New London County, Connecticut | 6,176 |
| Plymouth County, Massachusetts | 6,049 |
| Hunterdon County, New Jersey | 5,839 |
| Suffolk County, New York | 5,776 |
| New Haven County, Connecticut | 5,563 |
| Monmouth County, New Jersey | 5,344 |
| Worcester County, Massachusetts | 5,304 |
| Norfolk County, Massachusetts | 5,252 |
| York County, Pennsylvania | 5,225 |
| New Castle County, Delaware | 5,223 |
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Data Sources
All Lyme disease prevalence data courtesy of the Centers for Disease Control and Prevention.