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Table 9. Chlamydia — Counties and independent cities* ranked by number of reported cases: United States, 2007


Rank† County/
Independent City
Cases Rate
per 100,000
Population
Cumulative
Percent
1 Los Angeles County, CA 44,030 442.6 3
2 Cook County, IL 30,881 583.9 6
3 Philadelphia County, PA 17,029 1175.7 8
4 Kings County, NY 15,655 624.0 9
5 Bronx County, NY 14,572 1070.3 11
6 Maricopa County, AZ 14,542 385.9 12
7 Harris County, TX 13,387 344.5 13
8 San Diego County, CA 12,693 431.5 14
9 Wayne County, MI 12,403 629.0 15
10 Dallas County, TX 12,279 523.4 16
11 Queens County, NY 10,050 445.6 17
12 Milwaukee County, WI 9,637 1053.1 18
13 New York County, NY 9,605 596.0 19
14 Shelby County, TN 9,428 1034.4 20
15 Orange County, CA 8,322 277.2 21
16 Cuyahoga County, OH 8,219 625.4 21
17 San Bernardino County, CA 8,122 406.2 22
18 Bexar County, TX 8,055 517.8 23
19 Hamilton County, OH 7,404 900.1 24
20 Sacramento County, CA 7,372 536.3 24
21 Baltimore (City), MD 7,362 1166.0 25
22 Clark County, NV 7,333 412.5 26
23 Marion County, IN 7,157 826.9 26
24 Alameda County, CA 6,929 475.4 27
25 Franklin County, OH 6,336 578.3 27
26 Riverside County, CA 6,194 305.6 28
27 Tarrant County, TX 6,184 370.0 28
28 Jefferson County, AL 6,139 934.8 29
29 Washington, D.C. 6,029 1036.7 30
30 Miami-Dade County, FL 5,956 247.9 30
31 Santa Clara County, CA 5,740 331.5 31
32 Duval County, FL 5,509 657.4 31
33 Fulton County, GA 5,454 568.1 32
34 Broward County, FL 5,413 302.8 32
35 Fresno County, CA 5,362 601.3 33
36 King County, WA 5,308 290.6 33
37 DeKalb County, GA 5,202 718.9 34
38 Hillsborough County, FL 5,155 445.3 34
39 Jackson County, MO 5,032 757.7 34
40 St. Louis County, MO 4,894 489.2 35
41 Allegheny County, PA 4,893 399.9 35
42 Orange County, FL 4,862 465.9 36
43 Prince George’s County, MD 4,857 577.3 36
44 Essex County, NJ 4,851 617.1 37
45 Travis County, TX 4,844 525.9 37
46 Hennepin County, MN 4,742 422.6 38
47 Honolulu County, HI 4,497 494.3 38
48 Suffolk County, MA 4,459 648.5 38
49 Kern County, CA 4,433 568.2 39
50 St Louis (City), MO 4,392 1265.0 39
51 Erie County, NY 4,350 472.1 40
52 Monroe County, NY 4,224 578.0 40

*Accounting for 40% of reported chlamydia cases.

†Counties and independent cities were ranked in descending order by number of cases reported in 2007.

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