Lyme Disease Data Tables: Historical Data
Reported cases of Lyme disease by state or locality, 2009-2018†
Information regarding the collection and limitations of these surveillance data
State | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 Confirmed |
2018 Probable |
2018 Incidence* |
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alabama | 3 | 1 | 9 | 13 | 11 | 28 | 14 | 17 | 25 | 20 | 16 | 0.4 | |
Alaska | 7 | 7 | 9 | 4 | 14 | 5 | 1 | 6 | 8 | 8 | 3 | 1.1 | |
Arizona | 3 | 2 | 8 | 7 | 22 | 14 | 8 | 8 | 18 | 7 | 0 | 0.1 | |
Arkansas | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0.0 | |
California | 117 | 126 | 79 | 61 | 90 | 54 | 83 | 90 | 84 | 62 | 42 | 0.2 | |
Colorado | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 0 | 0.1 | |
Connecticut | 2751 | 1964 | 2004 | 1653 | 2111 | 1719 | 1873 | 1238 | 1381 | 1268 | 591 | 35.5 | |
Delaware | 984 | 656 | 767 | 507 | 400 | 341 | 334 | 391 | 421 | 505 | 15 | 52.2 | |
District of Columbia | 53 | 34 | N | N | 33 | 35 | 78 | 66 | 62 | 57 | 22 | 8.1 | |
Florida | 77 | 56 | 78 | 67 | 87 | 85 | 116 | 132 | 124 | 98 | 71 | 0.5 | |
Georgia | 40 | 10 | 32 | 31 | 8 | 4 | 8 | 4 | 8 | 4 | 15 | 0.0 | |
Hawaii | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | |
Idaho | 4 | 6 | 3 | 0 | 14 | 8 | 3 | 9 | 15 | 5 | 4 | 0.3 | |
Illinois | 136 | 135 | 194 | 204 | 337 | 233 | 287 | 233 | 218 | 189 | 87 | 1.5 | |
Indiana | 61 | 62 | 81 | 64 | 101 | 100 | 102 | 127 | 92 | 72 | 83 | 1.1 | |
Iowa | 77 | 68 | 72 | 92 | 153 | 110 | 130 | 76 | 112 | 91 | 192 | 2.9 | |
Kansas | 18 | 7 | 11 | 9 | 18 | 12 | 11 | 16 | 13 | 8 | 22 | 0.3 | |
Kentucky | 1 | 5 | 3 | 8 | 17 | 11 | 12 | 16 | 6 | 4 | 18 | 0.1 | |
Louisiana | 0 | 2 | 1 | 3 | 0 | 0 | 2 | 4 | 8 | 2 | 2 | 0.0 | |
Maine | 791 | 559 | 801 | 885 | 1127 | 1169 | 993 | 1151 | 1424 | 1111 | 294 | 83.0 | |
Maryland | 1466 | 1163 | 938 | 1113 | 801 | 957 | 1249 | 1274 | 1194 | 894 | 488 | 14.8 | |
Massachusetts | 4019 | 2380 | 1801 | 3396 | 3816 | 3646 | 2922 | 146 | 321 | 13 | 3 | 0.2 | |
Michigan | 81 | 76 | 89 | 80 | 114 | 93 | 125 | 159 | 196 | 184 | 78 | 1.8 | |
Minnesota | 1063 | 1293 | 1185 | 911 | 1431 | 896 | 1174 | 1304 | 1408 | 950 | 591 | 16.9 | |
Mississippi | 0 | 0 | 3 | 1 | 0 | 2 | 4 | 1 | 1 | 1 | 3 | 0.0 | |
Missouri | 3 | 4 | 5 | 1 | 1 | 7 | 2 | 1 | 2 | 3 | 8 | 0.0 | |
Montana | 3 | 3 | 9 | 6 | 16 | 5 | 2 | 12 | 4 | 5 | 2 | 0.5 | |
Nebraska | 4 | 7 | 7 | 5 | 7 | 6 | 5 | 10 | 6 | 8 | 7 | 0.4 | |
Nevada | 10 | 2 | 3 | 10 | 11 | 4 | 5 | 4 | 7 | 5 | 9 | 0.2 | |
New Hampshire | 996 | 830 | 887 | 1002 | 1324 | 622 | 436 | 691 | 956 | 927 | 501 | 68.3 | |
New Jersey | 4598 | 3320 | 3398 | 2732 | 2785 | 2589 | 3932 | 3332 | 3629 | 2876 | 1124 | 32.3 | |
New Mexico | 1 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0.0 | |
New York | 4134 | 2385 | 3118 | 2044 | 3512 | 2853 | 3252 | 2623 | 3502 | 2446 | 1192 | 12.5 | |
North Carolina | 21 | 21 | 18 | 27 | 39 | 27 | 38 | 32 | 70 | 56 | 156 | 0.5 | |
North Dakota | 10 | 21 | 22 | 10 | 12 | 2 | 15 | 9 | 12 | 14 | 19 | 1.8 | |
Ohio | 51 | 21 | 36 | 49 | 74 | 94 | 112 | 122 | 233 | 243 | 50 | 2.1 | |
Oklahoma | 2 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | |
Oregon | 12 | 7 | 9 | 5 | 12 | 3 | 3 | 13 | 13 | 7 | 63 | 0.2 | |
Pennsylvania | 4950 | 3298 | 4739 | 4146 | 4981 | 6470 | 7351 | 8988 | 9250 | 7920 | 2288 | 61.8 | |
Rhode Island | 150 | 115 | 111 | 133 | 444 | 570 | 564 | 535 | 595 | 661 | 450 | 62.5 | |
South Carolina | 25 | 19 | 24 | 35 | 33 | 20 | 13 | 25 | 13 | 9 | 30 | 0.2 | |
South Dakota | 1 | 1 | 2 | 4 | 3 | 2 | 5 | 8 | 4 | 4 | 3 | 0.5 | |
Tennessee | 10 | 6 | 5 | 2 | 11 | 7 | 6 | 7 | 15 | 12 | 17 | 0.2 | |
Texas | 88 | 55 | 28 | 33 | 48 | 20 | 18 | 31 | 31 | 20 | 27 | 0.1 | |
Utah | 6 | 3 | 6 | 2 | 10 | 5 | 3 | 12 | 10 | 11 | 16 | 0.3 | |
Vermont | 323 | 271 | 476 | 386 | 674 | 442 | 491 | 488 | 646 | 348 | 228 | 55.6 | |
Virginia | 698 | 911 | 756 | 805 | 925 | 976 | 1102 | 976 | 1041 | 744 | 395 | 8.7 | |
Washington | 15 | 12 | 17 | 13 | 11 | 8 | 17 | 14 | 26 | 8 | 12 | 0.1 | |
West Virginia | 143 | 128 | 107 | 82 | 116 | 112 | 243 | 297 | 503 | 554 | 117 | 30.7 | |
Wisconsin | 1952 | 2505 | 2408 | 1368 | 1447 | 991 | 1309 | 1504 | 1794 | 1121 | 748 | 19.3 | |
Wyoming | 1 | 0 | 1 | 3 | 1 | 2 | 0 | 1 | 3 | 0 | 0 | 0.0 | |
U.S. TOTAL | 29,959 | 22,561 | 24,364 | 22,014 | 27,203 | 25,359 | 28,453 | 26,203 | 29,513 | 23,558 | 10,108 | 7.2 | |
†confirmed cases presented for all years except most recent *confirmed cases per 100,000 population N = not notifiable |
Lyme disease incidence rates by state, 2009-2018*
Information regarding the collection and limitations of these surveillance data
State | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 3-Year Average Incidence |
|
---|---|---|---|---|---|---|---|---|---|---|---|---|
Alabama | 0.1 | 0.0 | 0.2 | 0.3 | 0.2 | 0.6 | 0.3 | 0.3 | 0.5 | 0.4 | 0.4 | |
Alaska | 1.0 | 1.0 | 1.2 | 0.5 | 1.9 | 0.7 | 0.1 | 0.8 | 1.1 | 1.1 | 1.0 | |
Arizona | 0.0 | 0.0 | 0.1 | 0.1 | 0.3 | 0.2 | 0.1 | 0.1 | 0.3 | 0.1 | 0.2 | |
Arkansas | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | |
California | 0.3 | 0.4 | 0.0 | 0.2 | 0.2 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
Colorado | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | |
Connecticut† | 78.2 | 55.0 | 56.0 | 46.0 | 58.7 | 47.8 | 52.2 | 34.6 | 38.5 | 35.5 | 36.2 | |
Delaware† | 111.2 | 73.1 | 84.6 | 55.3 | 43.2 | 36.4 | 35.3 | 41.1 | 43.8 | 52.2 | 45.7 | |
District of Columbia† | 8.8 | 5.7 | N | N | 5.1 | 5.3 | 11.6 | 9.7 | 8.9 | 8.1 | 8.9 | |
Florida | 0.4 | 0.3 | 0.4 | 0.3 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.5 | 0.6 | |
Georgia | 0.4 | 0.1 | 0.3 | 0.3 | 0.1 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | 0.1 | |
Hawaii | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Idaho | 0.3 | 0.4 | 0.2 | 0.0 | 0.9 | 0.5 | 0.2 | 0.5 | 0.9 | 0.3 | 0.6 | |
Illinois | 1.1 | 1.1 | 1.5 | 1.6 | 2.6 | 1.8 | 2.2 | 1.8 | 1.7 | 1.5 | 1.7 | |
Indiana | 0.9 | 1.0 | 1.2 | 1.0 | 1.5 | 1.5 | 1.5 | 1.9 | 1.4 | 1.1 | 1.5 | |
Iowa | 2.6 | 2.2 | 2.4 | 3.0 | 5.0 | 3.5 | 4.2 | 2.4 | 3.6 | 2.9 | 3.0 | |
Kansas | 0.6 | 0.2 | 0.4 | 0.3 | 0.6 | 0.4 | 0.4 | 0.6 | 0.4 | 0.3 | 0.4 | |
Kentucky | 0.0 | 0.1 | 0.1 | 0.2 | 0.4 | 0.2 | 0.3 | 0.4 | 0.1 | 0.1 | 0.2 | |
Louisiana | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.0 | 0.1 | |
Maine† | 60.0 | 42.1 | 60.3 | 66.6 | 84.8 | 87.9 | 74.7 | 86.4 | 106.6 | 83.0 | 92.0 | |
Maryland† | 25.7 | 20.1 | 16.1 | 18.9 | 13.5 | 16.0 | 20.8 | 21.2 | 19.7 | 14.8 | 18.6 | |
Massachusetts† | 61.0 | 36.3 | 27.3 | 51.1 | 57.0 | 54.1 | 43.0 | 2.1 | 4.7 | 0.2 | 2.3 | |
Michigan | 0.8 | 0.8 | 0.9 | 0.8 | 1.2 | 0.9 | 1.3 | 1.6 | 2.0 | 1.8 | 1.8 | |
Minnesota† | 20.2 | 24.4 | 22.2 | 16.9 | 26.4 | 16.4 | 21.4 | 23.6 | 25.2 | 16.9 | 21.9 | |
Mississippi | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | |
Missouri | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Montana | 0.3 | 0.3 | 0.9 | 0.6 | 1.6 | 0.5 | 0.2 | 1.2 | 0.4 | 0.5 | 0.7 | |
Nebraska | 0.2 | 0.4 | 0.4 | 0.3 | 0.4 | 0.3 | 0.3 | 0.5 | 0.3 | 0.4 | 0.4 | |
Nevada | 0.4 | 0.1 | 0.1 | 0.4 | 0.4 | 0.1 | 0.2 | 0.1 | 0.2 | 0.2 | 0.2 | |
New Hampshire† | 75.2 | 63.0 | 67.3 | 75.9 | 100.0 | 46.9 | 32.8 | 51.8 | 71.2 | 68.3 | 63.8 | |
New Jersey† | 52.8 | 37.8 | 38.5 | 30.8 | 31.3 | 29.0 | 43.9 | 37.3 | 40.3 | 32.3 | 36.6 | |
New Mexico | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | |
New York† | 21.2 | 12.3 | 16.0 | 10.4 | 17.9 | 14.4 | 16.4 | 13.3 | 17.6 | 12.5 | 14.5 | |
North Carolina | 0.2 | 0.2 | 0.2 | 0.3 | 0.4 | 0.3 | 0.4 | 0.3 | 0.7 | 0.5 | 0.5 | |
North Dakota | 1.5 | 3.1 | 3.2 | 1.4 | 1.7 | 0.3 | 2.0 | 1.2 | 1.6 | 1.8 | 1.5 | |
Ohio | 0.4 | 0.2 | 0.3 | 0.4 | 0.6 | 0.8 | 1.0 | 1.1 | 2.0 | 2.1 | 1.7 | |
Oklahoma | 0.1 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Oregon | 0.3 | 0.2 | 0.2 | 0.1 | 0.3 | 0.1 | 0.1 | 0.3 | 0.3 | 0.2 | 0.3 | |
Pennsylvania† | 39.3 | 26.0 | 37.2 | 32.5 | 39.0 | 50.6 | 57.4 | 70.3 | 72.2 | 61.8 | 68.1 | |
Rhode Island† | 14.2 | 10.9 | 10.6 | 12.7 | 42.2 | 54.0 | 53.4 | 50.6 | 56.2 | 62.5 | 56.4 | |
South Carolina | 0.5 | 0.4 | 0.5 | 0.7 | 0.7 | 0.4 | 0.3 | 0.5 | 0.3 | 0.2 | 0.3 | |
South Dakota | 0.1 | 0.1 | 0.2 | 0.5 | 0.4 | 0.2 | 0.6 | 0.9 | 0.5 | 0.5 | 0.6 | |
Tennessee | 0.2 | 0.1 | 0.1 | 0.0 | 0.2 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | |
Texas | 0.4 | 0.2 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
Utah | 0.2 | 0.1 | 0.2 | 0.1 | 0.3 | 0.2 | 0.1 | 0.4 | 0.3 | 0.3 | 0.4 | |
Vermont† | 51.9 | 43.3 | 76.0 | 61.7 | 107.6 | 70.5 | 78.4 | 78.1 | 103.6 | 55.6 | 79.1 | |
Virginia† | 8.9 | 11.4 | 9.3 | 9.8 | 11.2 | 11.7 | 13.1 | 11.6 | 12.3 | 8.7 | 10.9 | |
Washington | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.2 | 0.2 | 0.4 | 0.1 | 0.2 | |
West Virginia† | 7.9 | 6.9 | 5.8 | 4.4 | 6.3 | 6.1 | 13.2 | 16.2 | 27.7 | 30.7 | 24.9 | |
Wisconsin† | 34.5 | 44.0 | 42.2 | 23.9 | 25.2 | 17.2 | 22.7 | 26.0 | 31.0 | 19.3 | 25.4 | |
Wyoming | 0.2 | 0.0 | 0.2 | 0.5 | 0.2 | 0.3 | 0.0 | 0.2 | 0.5 | 0.0 | 0.2 | |
U.S. Incidence | 9.8 | 7.3 | 7.8 | 7.0 | 8.6 | 7.9 | 8.9 | 8.1 | 9.1 | 7.2 | 8.1 | |
*incidence=confirmed cases per 100,000 persons †High Incidence State (average incidence of at least 10 confirmed cases per 100,000 persons for previous three reporting years) N= not notifiable Note: Many high incidence states have modified surveillance practices. Contact your state health department for more information. |
Page last reviewed: November 22, 2019