Table 2. Chlamydia – Reported Cases and Rates by State, Ranked by Rates, United States, 2009
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| Rank* | State | Cases | Rate per 100,000 Population |
|---|---|---|---|
| 1 | Mississippi | 23,589 | 802.7 |
| 2 | Alaska | 5,166 | 752.7 |
| 3 | Louisiana | 27,628 | 626.4 |
| 4 | South Carolina | 26,654 | 595.0 |
| 5 | Alabama | 25,929 | 556.2 |
| 6 | Delaware | 4,718 | 540.4 |
| 7 | Arkansas | 14,354 | 502.7 |
| 8 | New Mexico | 9,493 | 478.4 |
| 9 | Tennessee | 29,711 | 478.1 |
| 10 | New York | 92,069 | 472.4 |
| 11 | Illinois | 60,542 | 469.3 |
| 12 | Hawaii | 6,026 | 467.8 |
| 13 | Michigan | 45,714 | 457.0 |
| 14 | North Carolina | 41,045 | 445.1 |
| 15 | Missouri | 25,868 | 437.6 |
| 16 | Texas | 105,910 | 435.4 |
| 17 | Maryland | 23,747 | 421.5 |
| 18 | Ohio | 48,239 | 420.0 |
| 19 | Oklahoma | 15,023 | 412.5 |
| 20 | Georgia | 39,828 | 411.2 |
| U.S. TOTAL† | 1,244,180 | 409.2 | |
| 21 | Colorado | 19,998 | 404.9 |
| 22 | Arizona | 26,002 | 400.0 |
| 23 | California | 146,796 | 399.4 |
| 24 | Florida | 72,931 | 397.9 |
| 25 | Virginia | 30,903 | 397.8 |
| 26 | Nevada | 10,045 | 386.3 |
| 27 | Kansas | 10,510 | 375.1 |
| 28 | South Dakota | 3,015 | 374.9 |
| 29 | Wisconsin | 20,906 | 371.5 |
| 30 | Wyoming | 1,963 | 368.5 |
| 31 | Connecticut | 12,127 | 346.4 |
| 32 | Pennsylvania | 43,068 | 346.0 |
| 33 | Rhode Island | 3,615 | 344.0 |
| 34 | Indiana | 21,732 | 340.8 |
| 35 | Washington | 21,387 | 326.6 |
| 36 | Iowa | 9,406 | 313.3 |
| 37 | Kentucky | 13,293 | 311.4 |
| 38 | Montana | 2,988 | 308.9 |
| 39 | Nebraska | 5,443 | 305.2 |
| 40 | North Dakota | 1,957 | 305.1 |
| 41 | Oregon | 11,497 | 303.3 |
| 42 | Massachusetts | 19,315 | 297.2 |
| 43 | New Jersey | 23,974 | 276.1 |
| 44 | Minnesota | 14,197 | 272.0 |
| 45 | Idaho | 3,842 | 252.1 |
| 46 | Utah | 6,145 | 224.6 |
| 47 | West Virginia | 3,604 | 198.6 |
| 48 | Vermont | 1,186 | 190.9 |
| 49 | Maine | 2,431 | 184.7 |
| 50 | New Hampshire | 2,102 | 159.7 |
* States were ranked in descending order by rate, number of cases, and alphabetically.
† Total includes cases reported by the District of Columbia with 6,549 cases and a rate of 1,106.6, but excludes outlying areas (Guam with 620 cases and rate of 352.3, Puerto Rico with 7,302 cases and rate of 184.7, and Virgin Islands with 488 cases and rate of 444.3).
- Page last reviewed: November 22, 2010 (archived document)
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