Skip directly to search Skip directly to A to Z list Skip directly to site content
CDC Home
For Questions About STD Data, Contact CDC-INFO

Table 9. Chlamydia - Counties and Independent Cities* Ranked by Number of Reported Cases, United States, 2010

Rank† County/Independent City Cases Rates per 100,000 Population Cumulative Percentage
1Los Angeles County, CA 47,544 482.8 3
2Cook County, IL 34,664 655.6 6
3Harris County, TX 22,322 548.3 7
4Wayne County, MI 21,1551,098.5 9
5Kings County, NY 20,790 809.9 11
6Philadelphia County, PA 19,4281,255.6 12
7Bronx County, NY 18,4651,321.5 14
8Maricopa County, AZ 15,567 386.9 15
9Dallas County, TX 15,557 634.5 16
10San Diego County, CA 15,341 502.4 17
11Queens County, NY 11,667 505.8 18
12Bexar County, TX 11,441 692.8 19
13New York County, NY 11,328 695.4 20
14Milwaukee County, WI 10,7071,115.9 21
15Denver County, CO 10,4961,719.7 21
16Shelby County, TN 9,9781,084.3 22
17Cuyahoga County, OH 9,865 773.3 23
18Miami-Dade County, FL 8,655 346.1 24
19San Bernardino County, CA 8,515 422.0 24
20Orange County, CA 8,489 280.5 25
21Baltimore (City), MD 8,2471,293.8 26
22Franklin County, OH 8,184 711.6 26
23Tarrant County, TX 8,034 448.9 27
24Clark County, NV 7,614 400.1 27
25Marion County, IN 7,298 819.2 28
26Hillsborough County, FL 7,020 587.3 28
27Broward County, FL 6,956 393.8 29
28Alameda County, CA 6,610 443.2 29
29Sacramento County, CA 6,585 470.0 30
30Hamilton County, OH 6,377 745.8 30
31Fulton County, GA 6,160 595.9 31
32Orange County, FL 6,095 561.0 31
33King County, WA 6,053 315.8 32
34Fresno County, CA 6,025 658.3 32
35Suffolk County, MA 6,017 798.5 33
36Prince George's County, MD 5,884 705.0 33
37Travis County, TX 5,832 568.3 34
38Duval County, FL 5,745 670.3 34
39Monroe County, NY 5,744 782.9 35
40Washington, D.C. 5,589 932.0 35
41Santa Clara County, CA 5,518 309.2 35
42Jackson County, MO 5,507 780.4 36
43Kern County, CA 5,457 675.9 36
44Essex County, NJ 5,340 693.8 37
45Jefferson County, AL 5,268 792.1 37
46Hennepin County, MN 5,242 453.4 37
47St. Louis County, MO 5,233 527.3 38
48Erie County, NY 5,080 558.7 38
49Allegheny County, PA 5,042 413.8 39
50Honolulu County, HI 4,827 531.9 39
51Jefferson County, KY 4,732 655.8 39
52Mecklenburg County, NC 4,628 506.5 40
53Orleans County, LA 4,6261,303.6 40
54San Francisco County, CA 4,596 563.7 40

* Accounting for 40% of reported chlamydia cases.

† Counties and independent cities were ranked in descending order by number of cases reported in 2010.

Next Table

 
For Questions About STD Data, Contact CDC-INFO
USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Road Atlanta, GA 30329-4027, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO
A-Z Index
  1. A
  2. B
  3. C
  4. D
  5. E
  6. F
  7. G
  8. H
  9. I
  10. J
  11. K
  12. L
  13. M
  14. N
  15. O
  16. P
  17. Q
  18. R
  19. S
  20. T
  21. U
  22. V
  23. W
  24. X
  25. Y
  26. Z
  27. #