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Table 9. Chlamydia—Counties and independent cities* ranked by number of reported cases: United States, 2008

This web page is archived for historical purposes and is no longer being updated.

Rank County/Independent CityCasesRate per
100,000 Population
Cumulative Percent
1Los Angeles County, CA46,707472.83
2Cook County, IL34,257648.26
3Wayne County, MI19,218968.18
4Philadelphia County, PA17,0121,173.59
5Kings County, NY16,983671.811
6Harris County, TX16,896429.312
7Bronx County, NY15,9311,159.713
8San Diego County, CA14,373483.114
9Dallas County, TX13,699578.916
10Maricopa County, AZ13,407345.517
11Queens County, NY11,682514.518
12New York County, NY10,887671.719
13Shelby County, TN9,8041,077.219
14Bexar County, TX8,964562.220
15Orange County, CA8,569285.921
16San Bernardino County, CA8,547425.722
17Baltimore (City), MD8,4211,321.022
18Tarrant County, TX7,923461.323
19Clark County, NV7,753422.224
20Marion County, IN7,572863.624
21Miami-Dade County, FL7,564316.925
22Franklin County, OH7,460667.225
23Cuyahoga County, OH7,360567.926
24Alameda County, CA7,132487.127
25Hamilton County, OH7,030834.627
26Broward County, FL6,982396.828
27Sacramento County, CA6,958501.828
28Washington, D.C.6,9241,177.029
29Hillsborough County, FL6,264533.229
30Duval County, FL6,136722.630
31King County, WA6,057325.830
32Travis County, TX5,837599.131
33Kern County, CA5,822736.331
34Jefferson County, AL5,814882.532
35Orange County, FL5,764540.732
36Santa Clara County, CA5,650323.033
37Fresno County, CA5,576620.033
38Jackson County, MO5,567834.834
39Fulton County, GA5,363540.634
40Prince George's County, MD5,239632.135
41Allegheny County, PA5,203426.835
42St. Louis County, MO5,139516.435
43Riverside County, CA5,010241.636
44Hennepin County, MN5,002440.136
45Essex County, NJ4,960639.137
46Denver County, CO4,919836.137
47Suffolk County, MA4,883684.838
48DeKalb County, GA4,790649.938
49Honolulu County, HI4,769526.638
50Erie County, NY4,722517.039
51Monroe County, NY4,666639.539
52Oklahoma County, OK4,366622.139
53St Louis (City), MO4,2981,225.340
54Hartford County, CT4,286488.840

* Accounting for 40% of reported chlamydia cases.

Counties and independent cities were ranked in descending order by number of cases reported in 2008.

NOTE: Milwaukee County was not ranked by case count or rate due to misclassification of 2008 Milwaukee County STD morbidity data.

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