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State guidesLyme disease by state
How common Lyme disease is in every state, which ticks spread it there, and where to turn for care. Based on CDC’s most recent published data (2023).
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All states by reported rate (2023)
Sorted from highest to lowest reported rate. Lighter-reporting states still have Lyme: reported cases undercount real infections, and cases are counted where people live, not where they were bitten. How to read these numbers.
| State | Reported cases (2023) | Per 100,000 | Level |
|---|---|---|---|
| Rhode Island | 2,852 | 260.2 | Highest reported |
| Vermont | 1,445 | 223.3 | Highest reported |
| Maine | 2,942 | 210.9 | Highest reported |
| West Virginia | 3,242 | 183.2 | Highest reported |
| Massachusetts | 9,715 | 138.8 | Highest reported |
| Pennsylvania | 16,671 | 128.6 | Highest reported |
| New York | 22,173 | 113.3 | Highest reported |
| New Hampshire | 1,573 | 112.2 | Highest reported |
| Wisconsin | 6,283 | 106.3 | Highest reported |
| Connecticut | 3,239 | 89.5 | High |
| New Jersey | 7,224 | 77.8 | High |
| Minnesota | 2,938 | 51.2 | High |
| Maryland | 2,470 | 40.0 | High |
| Delaware | 349 | 33.9 | High |
| Virginia | 1,747 | 20.0 | Moderate |
| Washington, D.C. | 108 | 15.9 | Moderate |
| Michigan | 1,152 | 11.5 | Moderate |
| Ohio | 1,307 | 11.1 | Moderate |
| Iowa | 212 | 6.6 | Moderate |
| Indiana | 257 | 3.7 | Low reported |
| Illinois | 372 | 3.0 | Low reported |
| Kentucky | 120 | 2.7 | Low reported |
| North Carolina | 228 | 2.1 | Low reported |
| North Dakota | 15 | 1.9 | Low reported |
| Oregon | 61 | 1.4 | Low reported |
| Florida | 271 | 1.2 | Low reported |
| South Carolina | 55 | 1.0 | Low reported |
| Montana | 11 | 1.0 | Fewest reported |
| South Dakota | 7 | 0.8 | Fewest reported |
| Alabama | 36 | 0.7 | Fewest reported |
| Tennessee | 50 | 0.7 | Fewest reported |
| Idaho | 11 | 0.6 | Fewest reported |
| Colorado | 32 | 0.5 | Fewest reported |
| New Mexico | 11 | 0.5 | Fewest reported |
| Utah | 16 | 0.5 | Fewest reported |
| Nevada | 14 | 0.4 | Fewest reported |
| Kansas | 12 | 0.4 | Fewest reported |
| Wyoming | 2 | 0.3 | Fewest reported |
| Louisiana | 15 | 0.3 | Fewest reported |
| Washington | 25 | 0.3 | Fewest reported |
| California | 109 | 0.3 | Fewest reported |
| Alaska | 2 | 0.3 | Fewest reported |
| Missouri | 16 | 0.3 | Fewest reported |
| Nebraska | 5 | 0.3 | Fewest reported |
| Arizona | 16 | 0.2 | Fewest reported |
| Georgia | 18 | 0.2 | Fewest reported |
| Arkansas | 5 | 0.2 | Fewest reported |
| Mississippi | 4 | 0.1 | Fewest reported |
| Texas | 27 | 0.1 | Fewest reported |
| Oklahoma | 3 | 0.1 | Fewest reported |
| Hawaii | — | — | Not reportable |
We are collecting real experiences about Lyme disease where they live from people who have lived it, shared with their permission. As stories come in, they will appear here, clearly marked as personal experience rather than medical advice.
Frequently asked questions
Which state has the most Lyme disease?
By number of reported cases, New York reported the most in 2023 (22,173), followed by Pennsylvania (16,671). By rate per resident, Rhode Island, Vermont and Maine were highest.
Why does the data stop at 2023?
CDC publishes final national numbers a year or more after the fact. As of October 2026, 2023 is the latest year on CDC’s Lyme disease data pages.