Lyme Disease Data Tables: Most Recent Year

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Number of reported cases of Lyme disease and rates per 100,000 population, by age group—United States, 2019

Number of reported cases of Lyme disease and rates per 100,000 population, by age group—United States, 2017
<1 yr 1-4 yrs  5-14 yrs  15-24 yrs  25-39 yrs 40-64 yrs  ≥65 yrs Age not stated Total
No. Rate No. Rate No. Rate No. Rate No. Rate No. Rate No. Rate
Lyme disease, total 13 0.35 1,055 6.71 4,785 11.72 2,914 6.85 4,689 6.96 12,388 12.05 9,088 16.9 13 34,945
Confirmed 12 0.32 869 5.53 3,563 8.73 1,792 4.21 3,015 4.47 8,401 8.17 5,790 10.76 11 23,453
Probable 1 0.03 186 1.18 1,122 2.99 1,122 2.64 1,674 2.48 3,987 3.88 3,298 6.13 2 11,492

Data from most recent NNDSS Annual Tables.

Number of reported cases of Lyme disease and rates per 100,000 population, by race—United States, 2019

Number of reported cases of Lyme disease and rates per 100,000 population, by race—United States, 2017
American Indian or Alaska Native Asian or Pacific Islander Black White Other race Race not stated Total
No. Rate No. Rate No. Rate No. Rate
Lyme disease, total 92 1.93 492 2.36 373 0.8 18,601 7.31 572  14,815 34,945
Confirmed 58 1.21 342 1.64 218 0.47 12,404 4.87 417 10,014 23,453
Probable 34 0.71 150 0.72 155 0.33 6,197 2.43 155  4,801 11,492

Data from most recent NNDSS Annual Tables.

Number of reported cases of Lyme disease and rates per 100,000 population, by ethnicity—United States, 2019

Number of reported cases of Lyme disease and rates per 100,000 population, by ethnicity—United States, 2017
Hispanic Non-Hispanic Ethnicity not stated Total
No. Rate No. Rate
Lyme disease, total 560 0.93 15,536 5.83 18,849 34,945
Confirmed 378 0.63 10,088 3.79 12,987 23,453
Probable 182 0.3 5,448 2.05 5,862 11,492

Data from most recent NNDSS Annual Tables.

Reported Lyme disease cases, by region and reporting area – United States, 2019

Reported Lyme disease cases, by region and reporting area – United States, 2017
 Area Total Confirmed  Probable
United States 34,945 23,453 11,492
New England 7,152 4,769 2,383
Connecticut 1,233 795 438
Maine 2,167 1,629 538
Massachusetts 7 6 1
New Hampshire 1,710 1,106 604
Rhode Island 971 527 444
Vermont 1,064 706 358
Middle Atlantic 16,860 12,010 4,850
New Jersey 3,619 2,400 1,219
New York (excluding New York City) 3,487 2,450 1,037
New York City 756 397 359
Pennsylvania 8,998 6,763 2,235
East North Central 3,642 2,227 1,415
Illinois 395 242 153
Indiana 189 102 87
Michigan 413 276 137
Ohio 467 388 79
Wisconsin 2,178 1,219 959
West North Central 1,941 1,025 916
Iowa 303 70 233
Kansas 35 13 22
Minnesota 1,528 915 613
Missouri 17 2 15
Nebraska 10 4 6
North Dakota 38 14 24
South Dakota 10 7 3
South Atlantic 4,803 3,160 1,643
Delaware 641 619 22
District of Columbia 100 57 43
Florida 162 78 84
Georgia 18 2 16
Maryland 1,417 804 613
North Carolina 334 92 242
South Carolina 47 17 30
Virginia 1,199 788 411
West Virginia 885 703 182
East South Central 137 83 54
Alabama 66 44 22
Kentucky 22 12 10
Mississippi 4 4 —
Tennessee 45 23 22
West South Central 67 28 39
Arkansas 18 5 13
Louisiana 8 8 —
Oklahoma — — —
Texas 41 15 26
Mountain 88 40 48
Arizona 10 6 4
Colorado 8 8 —
Idaho 14 5 9
Montana 8 6 2
Nevada 17 4 13
New Mexico 7 4 3
Utah 19 5 14
Wyoming 5 2 3
Pacific 255 111 144
Alaska 3 1 2
California 144 82 62
Hawaii N N N
Oregon 65 10 55
Washington 43 18 25
Territories — — —
American Samoa N N N
Commonwealth of Northern Mariana Islands — — —
Guam — — —
Puerto Rico N N N
U.S. Virgin Islands — — —

Data from most recent NNDSS Annual Tables.

Page last reviewed: April 30, 2021
Content source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Vector-Borne Diseases (DVBD)