Lyme Disease Incidence Rates by State, 2002-2011*
| State | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
|---|---|---|---|---|---|---|---|---|---|---|
| Alabama | 0.3 | 0.2 | 0.1 | 0.1 | 0.2 | 0.3 | 0.1 | 0.1 | 0.0 | 0.2 |
| Alaska | 0.5 | 0.5 | 0.5 | 0.6 | 0.4 | 1.5 | 0.9 | 1.0 | 1.0 | 1.2 |
| Arizona | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| Arkansas | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| California | 0.3 | 0.2 | 0.1 | 0.3 | 0.2 | 0.2 | 0.2 | 0.3 | 0.4 | 0.2 |
| Colorado | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Connecticut | 133.8 | 40.3 | 38.5 | 51.7 | 51.0 | 87.3 | 78.2 | 78.2 | 55.0 | 56.0 |
| Delaware | 24.0 | 25.9 | 40.8 | 76.7 | 56.5 | 82.7 | 88.4 | 111.2 | 73.1 | 84.6 |
| District of Columbia | 4.4 | 2.5 | 2.9 | 1.7 | 10.7 | 19.7 | 12.0 | 8.8 | 5.7 | N |
| Florida | 0.5 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.4 | 0.4 | 0.3 | 0.4 |
| Georgia | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.4 | 0.4 | 0.1 | 0.3 |
| Hawaii | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Idaho | 0.3 | 0.2 | 0.4 | 0.1 | 0.5 | 0.6 | 0.3 | 0.3 | 0.4 | 0.2 |
| Illinois | 0.4 | 0.6 | 0.7 | 1.0 | 0.9 | 1.2 | 0.8 | 1.1 | 1.1 | 1.5 |
| Indiana | 0.3 | 0.4 | 0.5 | 0.5 | 0.4 | 0.9 | 0.7 | 0.9 | 1.0 | 1.2 |
| Iowa | 1.4 | 2.0 | 1.7 | 3.0 | 3.3 | 4.1 | 2.8 | 2.6 | 2.2 | 2.4 |
| Kansas | 0.3 | 0.1 | 0.1 | 0.1 | 0.1 | 0.3 | 0.6 | 0.6 | 0.2 | 0.4 |
| Kentucky | 0.6 | 0.4 | 0.4 | 0.1 | 0.2 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 |
| Louisiana | 0.1 | 0.2 | 0.0 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 |
| Maine | 16.9 | 13.4 | 17.1 | 18.7 | 25.6 | 40.2 | 59.2 | 60.0 | 42.1 | 60.3 |
| Maryland | 13.5 | 12.5 | 16.0 | 22.1 | 22.2 | 45.8 | 31.0 | 25.7 | 20.1 | 16.1 |
| Massachusetts | 28.1 | 23.8 | 23.9 | 36.3 | 22.2 | 46.3 | 60.9 | 61.0 | 36.3 | 27.3 |
| Michigan | 0.3 | 0.1 | 0.3 | 0.6 | 0.5 | 0.5 | 0.8 | 0.8 | 0.8 | 0.9 |
| Minnesota | 17.3 | 9.4 | 20.1 | 17.9 | 17.7 | 23.8 | 20.0 | 20.2 | 24.4 | 22.2 |
| Mississippi | 0.4 | 0.7 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| Missouri | 0.7 | 1.2 | 0.4 | 0.3 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 |
| Montana | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.4 | 0.6 | 0.3 | 0.3 | 0.9 |
| Nebraska | 0.4 | 0.1 | 0.1 | 0.1 | 0.6 | 0.4 | 0.4 | 0.2 | 0.4 | 0.4 |
| Nevada | 0.1 | 0.1 | 0.0 | 0.1 | 0.2 | 0.6 | 0.3 | 0.4 | 0.1 | 0.1 |
| New Hampshire | 20.5 | 14.8 | 17.4 | 20.3 | 46.9 | 68.1 | 92.0 | 75.2 | 63.0 | 67.3 |
| New Jersey | 27.4 | 33.4 | 31.0 | 38.6 | 27.9 | 36.1 | 37.0 | 52.8 | 37.8 | 38.5 |
| New Mexico | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.3 | 0.2 | 0.0 | 0.1 | 0.1 |
| New York | 28.9 | 28.1 | 26.5 | 28.8 | 23.1 | 21.6 | 29.5 | 21.2 | 12.3 | 16.0 |
| North Carolina | 1.7 | 1.9 | 1.4 | 0.6 | 0.4 | 0.6 | 0.2 | 0.2 | 0.2 | 0.2 |
| North Dakota | 0.2 | 0.0 | 0.0 | 0.5 | 1.1 | 1.9 | 1.2 | 1.5 | 3.1 | 3.2 |
| Ohio | 0.7 | 0.6 | 0.4 | 0.5 | 0.4 | 0.3 | 0.3 | 0.4 | 0.2 | 0.3 |
| Oklahoma | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 |
| Oregon | 0.3 | 0.4 | 0.3 | 0.1 | 0.2 | 0.2 | 0.5 | 0.3 | 0.2 | 0.2 |
| Pennsylvania | 32.3 | 46.3 | 32.1 | 34.6 | 26.1 | 32.1 | 30.7 | 39.3 | 26.0 | 37.2 |
| Rhode Island | 79.7 | 68.4 | 23.0 | 3.6 | 28.8 | 16.7 | 17.7 | 14.2 | 10.9 | 10.6 |
| South Carolina | 0.6 | 0.4 | 0.5 | 0.4 | 0.5 | 0.7 | 0.3 | 0.5 | 0.4 | 0.5 |
| South Dakota | 0.3 | 0.1 | 0.1 | 0.3 | 0.1 | 0.0 | 0.4 | 0.1 | 0.1 | 0.2 |
| Tennessee | 0.5 | 0.3 | 0.3 | 0.1 | 0.2 | 0.5 | 0.1 | 0.2 | 0.1 | 0.1 |
| Texas | 0.6 | 0.4 | 0.4 | 0.3 | 0.1 | 0.4 | 0.4 | 0.4 | 0.2 | 0.1 |
| Utah | 0.2 | 0.1 | 0.0 | 0.1 | 0.2 | 0.3 | 0.1 | 0.2 | 0.1 | 0.2 |
| Vermont | 6.0 | 6.9 | 8.0 | 8.7 | 16.8 | 22.2 | 53.1 | 51.9 | 43.3 | 76.0 |
| Virginia | 3.6 | 2.6 | 2.9 | 3.6 | 4.7 | 12.4 | 11.4 | 8.9 | 11.4 | 9.3 |
| Washington | 0.2 | 0.1 | 0.2 | 0.2 | 0.1 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 |
| West Virginia | 1.4 | 1.7 | 2.1 | 3.4 | 1.5 | 4.6 | 6.6 | 7.9 | 6.9 | 5.8 |
| Wisconsin | 20.0 | 13.5 | 20.8 | 26.4 | 26.4 | 32.4 | 26.5 | 34.5 | 44.0 | 42.2 |
| Wyoming | 0.4 | 0.4 | 0.8 | 0.6 | 0.2 | 0.6 | 0.2 | 0.2 | 0.0 | 0.2 |
| U.S. Incidence | 8.2 | 7.2 | 6.7 | 7.9 | 8.2 | 9.1 | 9.4 | 13.4 | 7.3 | 7.8 |
|
*incidence=confirmed cases per 100,000 persons, calculated using July 1st population estimates for each year. N= not notifiable |
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