Table 33. Primary and Secondary Syphilis — Reported Cases and Rates of Reported Cases in Counties and Independent Cities* Ranked by Number of Reported Cases, United States, 2018
| Rank* | County/Independent City | Cases | Rate per 100,000 Population | Cumulative Percentage |
|---|---|---|---|---|
| 1 | Los Angeles County, CA | 2,350 | 23.1 | 7 |
| 2 | Cook County, IL | 1,090 | 20.9 | 10 |
| 3 | Maricopa County, AZ | 784 | 18.2 | 12 |
| 4 | New York County, NY | 686 | 41.2 | 14 |
| 5 | Harris County, TX | 565 | 12.1 | 16 |
| 6 | San Francisco County, CA | 561 | 63.4 | 17 |
| 7 | San Diego County, CA | 555 | 16.6 | 19 |
| 8 | Clark County, NV | 554 | 25.1 | 20 |
| 9 | Miami-Dade County, FL | 544 | 19.8 | 22 |
| 10 | Kings County, NY | 496 | 18.7 | 23 |
| 11 | Fulton County, GA | 460 | 44.2 | 25 |
| 12 | Bronx County, NY | 459 | 31.2 | 26 |
| 13 | Orange County, CA | 450 | 14.1 | 27 |
| 14 | Broward County, FL | 445 | 23.0 | 29 |
| 15 | Sacramento County, CA | 417 | 27.2 | 30 |
| 16 | Philadelphia County, PA | 408 | 25.8 | 31 |
| 17 | King County, WA | 392 | 17.9 | 32 |
| 18 | Dallas County, TX | 368 | 14.1 | 33 |
| 19 | Queens County, NY | 356 | 15.1 | 34 |
| 20 | San Bernardino County, CA | 316 | 14.6 | 35 |
| 21 | Riverside County, CA | 306 | 12.6 | 36 |
| 22 | Wayne County, MI | 299 | 17.1 | 37 |
| 23 | Santa Clara County, CA | 291 | 15.0 | 38 |
| 24 | Tarrant County, TX | 284 | 13.8 | 38 |
| 25 | Kern County, CA | 280 | 31.4 | 39 |
| 26 | Washington, D.C. | 279 | 40.2 | 40 |
| 27 | Orange County, FL | 278 | 20.6 | 41 |
| 28 | Baltimore (City), MD | 277 | 45.3 | 41 |
| 29 | Bexar County, TX | 273 | 13.9 | 42 |
| 30 | San Joaquin County, CA | 270 | 36.2 | 43 |
| 31 | DeKalb County, GA | 249 | 33.1 | 44 |
| 32 | Mecklenburg County, NC | 249 | 23.1 | 44 |
| 33 | Travis County, TX | 239 | 19.5 | 45 |
| 34 | Hillsborough County, FL | 239 | 17.0 | 46 |
| 35 | Jackson County, MO | 233 | 33.3 | 46 |
| 36 | Alameda County, CA | 222 | 13.3 | 47 |
| 37 | Franklin County, OH | 213 | 16.5 | 48 |
| 38 | Multnomah County, OR | 195 | 24.1 | 48 |
| 39 | Fresno County, CA | 195 | 19.7 | 49 |
| 40 | Oklahoma County, OK | 192 | 24.4 | 49 |
| 41 | Duval County, FL | 191 | 20.4 | 50 |
| 42 | Pinellas County, FL | 191 | 19.7 | 50 |
| 43 | Jefferson County, KY | 180 | 23.3 | 51 |
| 44 | Bernalillo County, NM | 169 | 25.0 | 51 |
| 45 | Stanislaus County, CA | 167 | 30.5 | 52 |
| 46 | Contra Costa County, CA | 162 | 14.1 | 52 |
| 47 | Suffolk County, MA | 157 | 19.7 | 53 |
| 48 | Orleans Parish, LA | 156 | 39.7 | 53 |
| 49 | Shelby County, TN | 156 | 16.6 | 54 |
| 50 | Wake County, NC | 156 | 14.5 | 54 |
| 51 | Hennepin County, MN | 156 | 12.5 | 55 |
| 52 | Tulsa County, OK | 154 | 23.8 | 55 |
| 53 | Prince George's County, MD | 153 | 16.8 | 56 |
| 54 | Sonoma County, CA | 142 | 28.2 | 56 |
| 55 | Marion County, IN | 141 | 14.8 | 56 |
| 56 | Davidson County, TN | 139 | 20.1 | 57 |
| 57 | Monroe County, NY | 139 | 18.6 | 57 |
| 58 | Denver County, CO | 132 | 18.7 | 57 |
| 59 | St. Louis County, MO | 132 | 13.2 | 58 |
| 60 | St. Louis (City), MO | 131 | 42.4 | 58 |
| 61 | Pima County, AZ | 128 | 12.5 | 59 |
| 62 | Middlesex County, MA | 124 | 7.7 | 59 |
| 63 | Salt Lake County, UT | 119 | 10.5 | 59 |
| 64 | Hamilton County, OH | 117 | 14.4 | 60 |
| 65 | Jefferson County, AL | 112 | 17.0 | 60 |
| 66 | Durham County, NC | 111 | 35.6 | 60 |
| 67 | Gwinnett County, GA | 109 | 11.8 | 61 |
| 68 | Spokane County, WA | 106 | 20.9 | 61 |
| 69 | Nueces County, TX | 105 | 29.1 | 61 |
| 70 | Baltimore County, MD | 103 | 12.4 | 61 |
* The top 70 counties and independent cities ranked in descending order by number of cases reported in 2018 then by rate are displayed.
NOTE: Relative rankings of counties may be impacted by completeness of the variable used to identify county. See Section A1.4 in the Appendix for more information.
Page last reviewed: August 20, 2019