Please use the Back button to return to your page of origin, or go directly to STD Surveillance 2006 Table of Contents.

Table 2. Chlamydia — Reported cases and rates by state, ranked by rates: United States, 2006

Rank* State Cases Rate per 100,000 Population
1 Alaska 4,525 681.8
2 Mississippi 19,002 650.5
3 South Carolina 22,351 525.3
4 New Mexico 9,829 509.7
5 Alabama 22,915 502.8
6 Hawaii 5,548 435.1
7 Georgia 38,972 429.6
8 Delaware 3,615 428.6
9 Tennessee 25,320 424.6
10 Illinois 53,586 419.8
11 Arizona 24,090 405.6
12 Missouri 22,982 396.2
13 Louisiana 17,885 395.4
14 Maryland 21,859 390.3
15 North Carolina 33,615 387.1
16 California 135,827 375.9
17 Oklahoma 12,992 366.2
18 Wisconsin 20,190 364.7
19 Michigan 36,753 363.1
20 New York 68,720 356.9
21 Ohio 40,106 349.8
22 Colorado 16,313 349.7
  U.S. TOTAL 1,030,911 347.8
23 Nevada 8,398 347.8
24 South Dakota 2,633 339.3
25 Texas 75,543 330.5
26 Virginia 24,087 318.3
27 Pennsylvania 39,487 317.7
28 Indiana 19,859 316.6
29 Connecticut 10,946 311.8
30 Nebraska 5,428 308.6
31 Arkansas 8,259 297.2
32 Rhode Island 3,142 292.0
33 North Dakota 1,820 285.9
34 Kansas 7,829 285.2
35 Washington 17,819 283.4
36 Montana 2,650 283.2
37 Iowa 8,390 282.8
38 Wyoming 1,422 279.2
39 Florida 48,955 275.2
40 Oregon 9,577 263.0
41 Minnesota 12,935 252.0
42 Massachusetts 15,394 240.6
43 Idaho 3,345 234.1
44 New Jersey 20,194 231.6
45 Kentucky 8,940 214.2
46 Utah 5,092 206.2
47 Vermont 1,191 191.2
48 Maine 2,306 174.5
49 West Virginia 2,910 160.2
50 New Hampshire 1,997 152.4

*States were ranked in descending order by rate, number of cases, and alphabetically by state.

Total includes cases reported by the District of Columbia with 3,368 cases and a rate of 611.8, but excludes outlying areas (Guam with 832 cases and rate of 493.6, Puerto Rico with 5,102 cases and rate of 130.4, and Virgin Islands with 203 cases and rate of 186.7).

Next Table


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