Table 3. Chlamydia — Reported Cases and Rates of Reported Cases by State/Territory and Region in Alphabetical Order, United States, 2016-2020
| State/Territory |
Cases
|
Rates per 100,000 Population
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2016 | 2017 | 2018 | 2019 | 2020 | |
| Alabama | 26,901 | 29,935 | 28,437 | 31,228 | 27,075 | 553.1 | 614.1 | 581.8 | 636.9 | 552.2 |
| Alaska | 5,698 | 5,934 | 6,159 | 6,254 | 5,090 | 768.0 | 802.1 | 835.2 | 854.9 | 695.8 |
| Arizona | 34,923 | 39,598 | 40,807 | 43,058 | 37,289 | 503.9 | 564.4 | 569.0 | 591.6 | 512.3 |
| Arkansas | 16,737 | 17,320 | 17,663 | 17,196 | 16,053 | 560.1 | 576.5 | 586.1 | 569.8 | 531.9 |
| California | 198,155 | 218,785 | 231,415 | 236,719 | 178,679 | 504.9 | 553.4 | 585.0 | 599.1 | 452.2 |
| Colorado | 25,569 | 26,995 | 29,124 | 29,821 | 26,137 | 461.5 | 481.4 | 511.3 | 517.8 | 453.9 |
| Connecticut | 13,911 | 17,750 | 16,732 | 15,290 | 12,716 | 389.0 | 494.7 | 468.3 | 428.9 | 356.7 |
| Delaware | 5,365 | 5,392 | 6,038 | 5,864 | 4,855 | 563.5 | 560.5 | 624.3 | 602.2 | 498.6 |
| District of Columbia | 7,283 | 9,107 | 9,014 | 9,327 | 6,413 | 1,069.2 | 1,312.3 | 1,283.2 | 1,321.6 | 908.7 |
| Florida | 94,742 | 100,018 | 104,758 | 110,794 | 100,030 | 459.6 | 476.6 | 491.8 | 515.9 | 465.7 |
| Georgia | 62,776 | 65,104 | 65,936 | 67,720 | 62,582 | 608.9 | 624.2 | 626.8 | 637.8 | 589.4 |
| Hawaii | 6,902 | 6,850 | 7,735 | 8,093 | 7,005 | 483.1 | 479.8 | 544.5 | 571.6 | 494.7 |
| Idaho | 5,897 | 6,200 | 6,572 | 6,863 | 6,273 | 350.4 | 361.1 | 374.6 | 384.0 | 351.0 |
| Illinois | 72,201 | 75,518 | 77,325 | 81,012 | 68,716 | 564.0 | 589.9 | 606.9 | 639.3 | 542.3 |
| Indiana | 30,847 | 34,278 | 34,926 | 35,430 | 33,372 | 465.0 | 514.2 | 521.9 | 526.3 | 495.7 |
| Iowa | 12,983 | 13,893 | 14,682 | 16,044 | 15,097 | 414.2 | 441.6 | 465.2 | 508.5 | 478.5 |
| Kansas | 12,160 | 13,554 | 14,231 | 15,286 | 14,620 | 418.3 | 465.3 | 488.8 | 524.7 | 501.8 |
| Kentucky | 18,286 | 19,320 | 19,440 | 20,911 | 18,750 | 412.1 | 433.7 | 435.1 | 468.1 | 419.7 |
| Louisiana | 31,727 | 34,756 | 36,293 | 36,131 | 32,997 | 677.7 | 742.0 | 778.8 | 777.2 | 709.8 |
| Maine | 4,156 | 4,555 | 4,345 | 3,989 | 3,466 | 312.1 | 341.0 | 324.6 | 296.8 | 257.8 |
| Maryland | 30,658 | 33,416 | 35,482 | 37,779 | 32,398 | 509.6 | 552.1 | 587.2 | 624.9 | 535.9 |
| Massachusetts | 26,807 | 29,315 | 30,460 | 31,622 | 24,901 | 393.5 | 427.3 | 441.3 | 458.8 | 361.3 |
| Michigan | 45,936 | 50,595 | 50,592 | 50,104 | 44,769 | 462.7 | 507.9 | 506.1 | 501.7 | 448.3 |
| Minnesota | 22,685 | 23,539 | 23,569 | 24,470 | 22,114 | 411.0 | 422.1 | 420.0 | 433.9 | 392.1 |
| Mississippi | 20,112 | 21,149 | 22,086 | 25,303 | 23,919 | 672.9 | 708.7 | 739.5 | 850.2 | 803.7 |
| Missouri | 30,843 | 32,683 | 34,728 | 34,416 | 31,815 | 506.2 | 534.6 | 566.9 | 560.8 | 518.4 |
| Montana | 4,416 | 4,560 | 4,917 | 4,753 | 4,133 | 423.6 | 434.1 | 462.9 | 444.7 | 386.7 |
| Nebraska | 8,197 | 8,595 | 8,026 | 9,291 | 8,844 | 429.8 | 447.6 | 416.0 | 480.3 | 457.2 |
| Nevada | 14,649 | 16,260 | 17,508 | 17,827 | 14,739 | 498.3 | 542.4 | 577.0 | 578.8 | 478.5 |
| New Hampshire | 3,467 | 4,412 | 3,734 | 3,577 | 2,931 | 259.7 | 328.6 | 275.3 | 263.1 | 215.6 |
| New Jersey | 34,519 | 35,239 | 36,514 | 37,591 | 31,649 | 385.9 | 391.3 | 409.9 | 423.2 | 356.3 |
| New Mexico | 13,108 | 13,560 | 14,000 | 14,283 | 12,084 | 629.9 | 649.4 | 668.1 | 681.2 | 576.3 |
| New York | 109,433 | 116,814 | 119,571 | 124,622 | 97,722 | 554.2 | 588.5 | 611.9 | 640.6 | 502.3 |
| North Carolina | 58,006 | 62,876 | 66,553 | 70,257 | 64,640 | 571.7 | 612.0 | 640.9 | 669.9 | 616.3 |
| North Dakota | 3,455 | 3,278 | 3,525 | 3,880 | 3,562 | 455.8 | 433.9 | 463.8 | 509.1 | 467.4 |
| Ohio | 60,496 | 61,389 | 63,220 | 65,393 | 59,520 | 520.9 | 526.6 | 540.8 | 559.4 | 509.2 |
| Oklahoma | 21,449 | 21,752 | 21,974 | 23,518 | 21,208 | 546.7 | 553.4 | 557.3 | 594.3 | 536.0 |
| Oregon | 17,425 | 18,634 | 19,224 | 19,279 | 15,858 | 425.7 | 449.8 | 458.7 | 457.1 | 376.0 |
| Pennsylvania | 56,930 | 56,447 | 59,340 | 61,694 | 52,272 | 445.3 | 440.8 | 463.3 | 481.9 | 408.3 |
| Rhode Island | 4,936 | 5,282 | 5,487 | 5,718 | 4,714 | 467.2 | 498.5 | 519.0 | 539.8 | 445.0 |
| South Carolina | 28,179 | 32,235 | 33,910 | 35,950 | 34,118 | 568.0 | 641.6 | 667.0 | 698.2 | 662.7 |
| South Dakota | 4,331 | 4,437 | 4,432 | 4,547 | 4,044 | 500.4 | 510.2 | 502.4 | 514.0 | 457.1 |
| Tennessee | 32,304 | 35,087 | 38,212 | 41,089 | 37,907 | 485.7 | 522.4 | 564.4 | 601.7 | 555.1 |
| Texas | 142,952 | 151,533 | 146,510 | 129,075 | 135,124 | 513.1 | 535.4 | 510.5 | 445.1 | 466.0 |
| Utah | 9,457 | 10,135 | 10,541 | 11,075 | 10,466 | 309.9 | 326.7 | 333.5 | 345.5 | 326.5 |
| Vermont | 1,690 | 1,858 | 1,712 | 1,718 | 1,117 | 270.6 | 297.9 | 273.4 | 275.3 | 179.0 |
| Virginia | 39,666 | 42,374 | 42,965 | 48,169 | 40,965 | 471.6 | 500.3 | 504.4 | 564.3 | 479.9 |
| Washington | 31,254 | 32,231 | 34,449 | 37,795 | 31,181 | 428.8 | 435.2 | 457.2 | 496.3 | 409.5 |
| West Virginia | 4,821 | 4,140 | 3,599 | 5,609 | 5,431 | 263.3 | 228.0 | 199.3 | 313.0 | 303.0 |
| Wisconsin | 26,894 | 27,740 | 28,027 | 29,080 | 26,564 | 465.4 | 478.6 | 482.1 | 499.4 | 456.2 |
| Wyoming | 2,060 | 2,142 | 2,169 | 2,189 | 1,961 | 351.8 | 369.7 | 375.4 | 378.2 | 338.8 |
| US TOTAL | 1,598,354 | 1,708,569 | 1,758,668 | 1,808,703 | 1,579,885 | 494.7 | 524.6 | 537.5 | 551.0 | 481.3 |
| Northeast | 255,849 | 271,672 | 277,895 | 285,821 | 231,488 | 455.2 | 481.1 | 495.3 | 510.6 | 413.5 |
| Midwest | 331,028 | 349,499 | 357,283 | 368,953 | 333,037 | 487.2 | 512.6 | 523.0 | 540.0 | 487.4 |
| South | 641,964 | 685,514 | 698,870 | 715,920 | 664,465 | 524.8 | 554.4 | 560.2 | 570.1 | 529.1 |
| West | 369,513 | 401,884 | 424,620 | 438,009 | 350,895 | 482.0 | 519.2 | 544.4 | 559.1 | 447.9 |
| American Samoa | NR | NR | 55 | 81 | 119 | — | — | 108.2 | 167.2 | 245.6 |
| Guam | 934 | 1,107 | 944 | 1,234 | 827 | 559.6 | 661.5 | 562.7 | 733.9 | 491.8 |
| Northern Mariana Islands | NR | NR | 246 | 249 | 180 | — | — | 473.1 | 478.4 | 345.8 |
| Puerto Rico | 7,198 | 5,961 | 5,942 | 4,817 | 3,995 | 211.0 | 177.8 | 180.4 | 150.8 | 125.1 |
| Virgin Islands | 571 | 458 | NR | 537 | 463 | 530.1 | 427.0 | — | 503.4 | 434.1 |
| TERRITORIES | 8,703 | 7,526 | 7,187 | 6,918 | 5,584 | 236.1 | 207.5 | 201.6 | 193.8 | 156.5 |
| TOTAL | 1,607,057 | 1,716,095 | 1,765,855 | 1,815,621 | 1,585,469 | 491.7 | 521.1 | 533.9 | 547.2 | 477.8 |
| NR = No report.
NOTE: The COVID-19 pandemic has introduced uncertainty and difficulty in interpreting 2020 case data. See Impact of COVID-19 on STDs for more information. |
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Page last reviewed: April 18, 2022