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Table 2. Chlamydia – Reported Cases and Rates by State, Ranked by Rates, United States, 2009

Rank*StateCasesRate per
100,000 Population
1Mississippi 23,589 802.7
2Alaska 5,166 752.7
3Louisiana 27,628 626.4
4South Carolina 26,654 595.0
5Alabama 25,929 556.2
6Delaware 4,718 540.4
7Arkansas 14,354 502.7
8New Mexico 9,493 478.4
9Tennessee 29,711 478.1
10New York 92,069 472.4
11Illinois 60,542 469.3
12Hawaii 6,026 467.8
13Michigan 45,714 457.0
14North Carolina 41,045 445.1
15Missouri 25,868 437.6
16Texas 105,910 435.4
17Maryland 23,747 421.5
18Ohio 48,239 420.0
19Oklahoma 15,023 412.5
20Georgia 39,828 411.2
 U.S. TOTAL† 1,244,180 409.2
21Colorado 19,998 404.9
22Arizona 26,002 400.0
23California 146,796 399.4
24Florida 72,931 397.9
25Virginia 30,903 397.8
26Nevada 10,045 386.3
27Kansas 10,510 375.1
28South Dakota 3,015 374.9
29Wisconsin 20,906 371.5
30Wyoming 1,963 368.5
31Connecticut 12,127 346.4
32Pennsylvania 43,068 346.0
33Rhode Island 3,615 344.0
34Indiana 21,732 340.8
35Washington 21,387 326.6
36Iowa 9,406 313.3
37Kentucky 13,293 311.4
38Montana 2,988 308.9
39Nebraska 5,443 305.2
40North Dakota 1,957 305.1
41Oregon 11,497 303.3
42Massachusetts 19,315 297.2
43New Jersey 23,974 276.1
44Minnesota 14,197 272.0
45Idaho 3,842 252.1
46Utah 6,145 224.6
47West Virginia 3,604 198.6
48Vermont 1,186 190.9
49Maine 2,431 184.7
50New 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).

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