Table 9. Chlamydia — Reported Cases and Rates of Reported Cases in Counties and Independent Cities* Ranked by Number of Reported Cases, United States, 2017

This is a table caption for compliance. Please ignore it.
Rank* County/Independent City Cases Rate per 100,000 Population Cumulative Percentage
1 Los Angeles County, CA 64,302 634.3 3
2 Cook County, IL 42,422 815.3 6
3 Harris County, TX 27,556 600.4 7
4 Maricopa County, AZ 25,336 597.1 9
5 Kings County, NY 21,137 803.9 10
6 Philadelphia County, PA 21,119 1,347.0 11
7 San Diego County, CA 20,832 627.9 13
8 Dallas County, TX 18,417 715.2 14
9 Bronx County, NY 17,711 1,216.6 15
10 New York County, NY 16,670 1,014.2 16
11 Wayne County, MI 15,636 893.8 17
12 Queens County, NY 14,421 618.1 17
13 Orange County, CA 14,010 441.6 18
14 San Bernardino County, CA 13,144 614.2 19
15 Bexar County, TX 12,986 673.3 20
16 Miami-Dade County, FL 12,264 452.1 20
17 Clark County, NV 11,898 551.9 21
18 Broward County, FL 11,283 590.8 22
19 Riverside County, CA 11,150 467.0 22
20 Cuyahoga County, OH 11,044 884.0 23
21 Milwaukee County, WI 10,928 1,148.6 24
22 Marion County, IN 10,536 1,119.4 24
23 Sacramento County, CA 9,852 650.5 25
24 King County, WA 9,777 454.8 26
25 Orange County, FL 9,523 724.5 26
26 Franklin County, OH 9,409 744.1 27
27 Alameda County, CA 9,200 558.4 27
28 San Francisco County, CA 9,137 1,049.2 28
29 Washington, D.C. 9,107 1,337.0 28
30 Shelby County, TN 9,003 963.3 29
31 Travis County, TX 8,946 745.9 29
32 Mecklenburg County, NC 8,828 836.9 30
33 Tarrant County, TX 8,625 427.6 30
34 Fulton County, GA 8,510 831.6 31
35 Hillsborough County, FL 8,323 604.8 31
36 Hennepin County, MN 8,156 661.8 32
37 Santa Clara County, CA 7,655 398.8 32
38 Baltimore (City), MD 7,636 1,242.3 33
39 Prince George's County, MD 7,364 811.0 33
40 Fresno County, CA 7,198 734.6 34
41 Denver County, CO 6,928 999.6 34
42 Duval County, FL 6,925 747.6 34
43 Kern County, CA 6,866 776.0 35
44 Hamilton County, OH 6,861 848.0 35
45 Pima County, AZ 6,625 651.9 36
46 St. Louis County, MO 6,161 617.0 36
47 Wake County, NC 6,078 580.6 36
48 Essex County, NJ 6,064 760.9 37
49 Jefferson County, AL 6,031 914.5 37
50 Palm Beach County, FL 5,883 407.5 37
51 Jackson County, MO 5,856 846.5 38
52 DeKalb County, GA 5,854 790.7 38
53 Contra Costa County, CA 5,731 504.9 38
54 Oklahoma County, OK 5,693 727.1 39
55 Erie County, NY 5,571 604.9 39
56 Jefferson County, KY 5,445 711.4 39
57 Pierce County, WA 5,421 629.4 40
58 Honolulu County, HI 5,389 542.9 40
59 Salt Lake County, UT 5,322 474.6 40
60 Middlesex County, MA 5,250 330.2 41
61 Hartford County, CT 5,248 588.1 41
62 Allegheny County, PA 5,223 426.2 41
63 Multnomah County, OR 5,198 649.9 41
64 New Haven County, CT 4,993 582.7 42
65 Monroe County, NY 4,988 667.1 42
66 Guilford County, NC 4,985 956.2 42
67 Bernalillo County, NM 4,932 728.6 43
68 Suffolk County, NY 4,917 329.4 43
69 El Paso County, TX 4,880 582.4 43
70 Collin County, TX 4,867 518.0 43

* The top 70 counties and independent cities ranked in descending order by number of cases reported in 2017 then by rate are displayed.

NOTE: Relative rankings of counties may be impacted by completeness of the variable used to identify county. In 2017, the variable used to identify county was complete for ≤95% of cases in Connecticut and Massachusetts. See Section A1.4 in the Appendix for more information.

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