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Table 3. Chlamydia — Reported cases and rates by state/area and region listed in alphabetical order: United States and outlying areas, 2002–2006

State/Area Cases Rates per 100,000 Population
2002 2003 2004 2005 2006 2002 2003 2004 2005 2006
Alabama 15,611 14,209 13,314 17,109 22,915 348.0 315.7 293.9 375.4 502.8
Alaska 3,806 3,900 3,954 4,355 4,525 591.2 601.1 603.3 656.2 681.8
Arizona 14,973 12,819 16,786 21,264 24,090 274.4 229.7 292.2 358.0 405.6
Arkansas 7,312 7,856 7,864 8,507 8,259 269.8 288.2 285.7 306.1 297.2
California 110,288 117,428 122,197 130,716 135,827 314.1 330.9 340.4 361.8 375.9
Colorado 14,028 13,039 14,151 15,432 16,313 311.3 286.5 307.5 330.8 349.7
Connecticut 9,808 9,393 9,552 11,039 10,946 283.4 269.7 272.6 314.5 311.8
Delaware 2,649 3,035 2,954 3,392 3,615 328.1 371.3 355.7 402.1 428.6
District of Columbia 3,305 3,168 3,493 3,678 3,368 578.9 561.4 631.0 668.1 611.8
Florida 42,058 42,382 42,554 43,372 48,955 251.6 249.0 244.6 243.8 275.2
Georgia 33,998 35,686 34,280 33,562 38,972 397.2 410.9 388.2 369.9 429.6
Hawaii 4,521 5,480 5,307 5,489 5,548 363.2 435.7 420.2 430.4 435.1
Idaho 2,503 2,366 2,784 2,799 3,345 186.6 173.2 199.8 195.9 234.1
Illinois 48,101 48,294 47,185 50,559 53,586 381.7 381.7 371.1 396.1 419.8
Indiana 17,100 17,075 18,440 20,063 19,859 277.6 275.6 295.6 319.9 316.6
Iowa 6,195 6,491 6,956 7,390 8,390 210.9 220.5 235.4 249.1 282.8
Kansas 6,784 7,249 7,493 7,419 7,829 249.8 266.2 273.9 270.3 285.2
Kentucky 8,756 7,981 6,470 8,351 8,940 213.9 193.8 156.1 200.1 214.2
Louisiana 18,442 20,970 21,837 17,227 17,885 411.4 466.4 483.6 380.8 395.4
Maine 1,805 2,030 2,113 2,254 2,306 139.4 155.5 160.4 170.6 174.5
Maryland 16,891 16,831 19,952 18,291 21,859 309.5 305.5 359.0 326.6 390.3
Massachusetts 10,914 11,301 13,242 14,411 15,394 169.8 175.7 206.4 225.2 240.6
Michigan 32,272 32,572 41,246 38,730 36,753 321.1 323.1 407.9 382.7 363.1
Minnesota 10,107 10,714 11,602 12,189 12,935 201.3 211.8 227.4 237.5 252.0
Mississippi 11,800 12,193 18,863 21,268 19,002 410.9 423.2 649.8 728.1 650.5
Missouri 16,181 18,570 21,319 22,371 22,982 285.2 325.5 370.5 385.7 396.2
Montana 2,475 2,547 2,608 2,400 2,650 272.1 277.6 281.4 256.5 283.2
Nebraska 4,779 4,739 5,238 5,098 5,428 276.4 272.5 299.8 289.9 308.6
Nevada 5,936 5,830 6,690 7,321 8,398 273.1 260.1 286.5 303.2 347.8
New Hampshire 1,557 1,616 1,736 1,842 1,997 122.1 125.5 133.6 140.6 152.4
New Jersey 14,164 16,169 17,448 19,152 20,194 164.9 187.2 200.6 219.7 231.6
New Mexico 7,417 7,480 9,035 8,456 9,829 399.8 399.0 474.7 438.5 509.7
New York 51,123 57,222 59,097 63,966 68,720 266.9 298.2 307.4 332.2 356.9
North Carolina 24,726 26,187 28,967 31,183 33,615 297.2 311.5 339.1 359.1 387.1
North Dakota 1,256 1,655 1,810 1,667 1,820 198.1 261.1 285.3 261.8 285.9
Ohio 38,032 42,522 39,379 43,806 40,106 333.0 371.8 343.7 382.1 349.8
Oklahoma 10,804 11,013 10,366 13,407 12,992 309.2 313.6 294.2 377.9 366.2
Oregon 7,009 7,688 8,690 9,018 9,577 199.0 216.0 241.8 247.7 263.0
Pennsylvania 31,791 37,291 38,025 37,261 39,487 257.7 301.6 306.5 299.8 317.7
Rhode Island 2,832 3,000 3,442 3,269 3,142 264.7 278.8 318.5 303.8 292.0
South Carolina 14,314 14,623 18,423 18,296 22,351 348.5 352.6 438.8 430.0 525.3
South Dakota 2,215 2,608 2,532 2,701 2,633 291.0 341.2 328.5 348.1 339.3
Tennessee 16,042 20,380 22,515 23,084 25,320 276.7 348.9 381.5 387.1 424.6
Texas 69,521 69,200 70,232 71,860 75,543 319.2 312.9 312.3 314.3 330.5
Utah 3,540 3,893 3,857 4,602 5,092 152.8 165.6 161.4 186.3 206.2
Vermont 954 1,060 1,137 957 1,191 154.7 171.2 183.0 153.6 191.2
Virginia 18,518 19,439 21,635 22,668 24,087 253.9 263.2 290.0 299.5 318.3
Washington 14,934 16,797 17,635 18,616 17,819 246.1 273.9 284.3 296.1 283.4
West Virginia 2,464 2,585 2,758 2,944 2,910 136.7 142.8 151.9 162.0 160.2
Wisconsin 17,000 17,942 19,217 20,461 20,190 312.4 327.9 348.8 369.6 364.7
Wyoming 944 960 1,082 1,173 1,422 189.3 191.5 213.6 230.3 279.2
U.S. TOTAL 834,555 877,478 929,462 976,445 1,030,911 289.4 301.7 316.5 329.4 347.8
Northeast 124,948 139,082 145,792 154,151 163,377 230.4 255.7 267.2 282.1 299.0
Midwest 200,022 210,431 222,417 232,454 232,511 307.1 321.7 338.4 352.4 352.4
South 317,211 327,738 346,477 358,199 390,588 306.9 313.5 327.0 333.2 363.3
West 192,374 200,227 214,776 231,641 244,435 293.0 301.2 318.6 339.2 357.9
Guam 550 554 748 807 832 341.5 338.6 450.4 478.7 493.6
Puerto Rico 2,999 2,746 3,588 3,714 5,102 77.7 70.8 92.1 94.9 130.4
Virgin Islands 207 416 303 235 203 188.1 382.3 278.6 216.2 186.7
OUTLYING AREAS 3,756 3,716 4,639 4,756 6,137 90.9 89.5 111.3 113.5 146.5
TOTAL 838,311 881,194 934,101 981,201 1,037,048 286.6 298.7 313.6 326.4 345.0

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Page last modified: November 13, 2007
Page last reviewed: November 13, 2007

Content Source: Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention