Table 3B. Chlamydia Among Women – Reported Cases and Rates of Reported Cases by State/Territory and Region in Alphabetical Order, United States, 2016-2020

Table 3B. Chlamydia Among Women – 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 19,131 20,993 19,537 21,260 18,087 762.9 834.7 774.1 839.1 713.9
Alaska 3,807 3,941 3,965 4,011 3,377 1,076.1 1,116.4 1,123.7 1,145.6 964.5
Arizona 23,693 26,453 26,717 27,716 24,196 679.2 749.8 740.8 757.0 660.8
Arkansas 12,216 12,453 12,513 12,146 11,447 803.5 814.9 815.9 790.7 745.2
California 123,906 135,040 142,006 143,319 109,322 627.2 679.0 713.8 721.4 550.3
Colorado 16,945 17,251 18,474 18,748 16,577 615.1 619.5 653.3 656.1 580.1
Connecticut 9,495 11,487 10,751 10,168 8,366 518.6 625.5 587.7 556.9 458.2
Delaware 3,678 3,562 3,992 3,842 3,289 748.5 717.5 799.6 763.9 653.9
District of Columbia 4,018 4,754 4,812 5,026 3,228 1,122.5 1,303.3 1,303.5 1,354.6 870.0
Florida 63,415 66,173 68,509 70,892 64,429 601.5 616.8 629.2 645.6 586.7
Georgia 43,377 44,080 43,903 43,914 41,210 820.0 823.3 812.4 804.7 755.2
Hawaii 4,480 4,424 4,811 5,032 4,325 630.1 621.8 678.1 710.9 611.0
Idaho 4,022 4,198 4,452 4,566 4,146 479.0 490.1 508.7 512.4 465.2
Illinois 48,128 49,336 49,746 51,168 43,958 739.3 757.9 767.7 793.9 682.0
Indiana 21,664 23,595 23,768 23,896 22,711 644.1 698.1 700.8 700.4 665.6
Iowa 8,872 9,261 9,793 10,559 10,129 563.1 585.8 617.7 666.6 639.5
Kansas 8,688 9,472 9,794 10,375 9,949 595.3 648.2 670.3 709.8 680.7
Kentucky 12,345 13,035 13,055 13,918 12,647 548.6 576.8 575.9 614.0 558.0
Louisiana 22,942 24,544 25,225 24,524 22,554 959.0 1,024.9 1,057.6 1,029.7 947.0
Maine 2,795 2,959 2,854 2,595 2,280 411.7 434.3 417.8 378.2 332.3
Maryland 20,145 21,957 22,912 24,264 20,876 649.4 704.2 735.8 778.5 669.8
Massachusetts 17,299 18,716 19,096 19,368 15,671 493.4 530.3 537.7 546.0 441.8
Michigan 31,497 34,120 33,687 32,955 29,882 624.5 674.5 663.9 650.2 589.6
Minnesota 14,967 15,338 15,021 15,565 14,232 539.9 547.8 533.3 550.0 502.9
Mississippi 14,123 14,740 15,325 17,381 16,376 917.1 958.2 995.9 1,133.2 1,067.6
Missouri 20,757 21,701 22,787 22,490 20,916 669.4 697.5 730.6 719.7 669.4
Montana 2,962 3,030 3,206 3,110 2,724 572.1 581.0 607.8 586.0 513.3
Nebraska 5,527 5,660 5,233 6,222 5,925 577.9 588.4 541.8 642.8 612.1
Nevada 9,849 10,473 11,057 11,205 9,163 671.8 700.9 730.9 729.8 596.8
New Hampshire 2,316 2,917 2,474 2,278 1,894 343.7 430.4 361.6 332.1 276.1
New Jersey 24,021 23,811 24,688 24,627 21,060 524.9 516.6 541.8 542.3 463.7
New Mexico 9,306 9,328 9,683 9,895 8,377 886.0 885.1 915.1 934.0 790.7
New York 67,602 70,379 70,348 72,012 58,577 665.5 689.2 699.7 719.7 585.4
North Carolina 41,085 43,580 45,450 47,053 43,742 788.0 826.6 852.3 873.3 811.9
North Dakota 2,187 2,127 2,303 2,448 2,351 592.7 577.8 621.2 658.0 631.9
Ohio 41,797 42,132 42,674 43,643 39,944 705.7 708.6 716.2 732.4 670.4
Oklahoma 14,933 15,183 15,282 16,088 14,570 754.3 765.5 767.9 805.9 729.8
Oregon 11,542 12,203 12,567 12,235 10,341 558.5 583.9 594.7 575.2 486.2
Pennsylvania 37,030 36,201 37,938 39,132 33,596 567.7 554.0 580.8 599.5 514.7
Rhode Island 3,278 3,454 3,584 3,695 3,084 603.3 634.2 660.1 679.6 567.2
South Carolina 19,783 22,343 22,822 23,789 22,349 774.8 863.8 870.8 895.8 841.6
South Dakota 3,072 3,094 3,008 3,198 2,791 715.8 718.4 688.8 730.3 637.4
Tennessee 21,714 23,348 25,151 26,965 24,972 637.0 678.7 725.4 771.1 714.1
Texas 101,618 105,995 100,417 86,192 90,792 724.2 744.2 695.3 590.6 622.2
Utah 6,031 6,606 6,808 6,955 6,606 398.0 428.9 433.9 437.1 415.2
Vermont 1,171 1,242 1,171 1,149 727 370.4 393.8 369.3 364.0 230.3
Virginia 26,146 27,606 27,849 30,950 26,704 611.6 641.5 643.6 713.9 616.0
Washington 20,276 20,515 21,432 23,378 19,532 556.0 554.1 569.1 614.7 513.6
West Virginia 3,330 2,775 2,374 3,758 3,723 359.9 302.5 260.5 415.5 411.7
Wisconsin 18,382 18,667 18,617 19,372 18,011 632.7 640.9 637.3 662.2 615.7
Wyoming 1,356 1,399 1,422 1,423 1,326 473.2 492.8 502.1 501.0 466.9
US TOTAL 1,072,719 1,127,651 1,145,063 1,160,470 1,027,061 653.9 682.1 689.6 696.6 616.5
Northeast 165,007 171,166 172,904 175,024 145,255 572.8 591.4 601.4 610.3 506.5
Midwest 225,538 234,503 236,431 241,891 220,799 655.5 679.3 683.7 699.4 638.4
South 443,999 467,121 469,128 471,962 440,995 711.8 741.0 737.5 736.9 688.5
West 238,175 254,861 266,600 271,593 220,012 619.4 656.7 681.9 691.7 560.3
American Samoa NR NR 53 81 83 208.5 333.8 342.0
Guam 654 753 670 874 632 806.8 926.6 822.7 1,070.9 774.4
Northern Mariana Islands NR NR 189 201 144 776.0 823.7 590.1
Puerto Rico 5,551 4,702 4,697 3,697 3,108 310.5 267.2 271.1 220.3 185.2
Virgin Islands 405 318 NR 346 325 720.9 567.6 620.0 582.4
TERRITORIES 6,610 5,773 5,609 5,199 4,292 343.4 304.4 301.0 278.9 230.3
TOTAL 1,079,329 1,133,424 1,150,672 1,165,669 1,031,353 650.3 677.9 685.3 692.0 612.3
NR = No report.

NOTE: Cases reported with unknown sex are not included in this table. See Technical Notes for more information on interpreting case counts and rates in US territories. 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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