Table 39. Unknown Duration or Late Syphilis* — Reported Cases and Rates of Reported Cases in Selected Metropolitan Statistical Areas (MSAs)† in Alphabetical Order, United States, 2015-2019

Table 39. Unknown Duration or Late Syphilis* — Reported Cases and Rates of Reported Cases in Selected Metropolitan Statistical Areas (MSAs)† in Alphabetical Order, United States, 2015-2019
MSAs Cases Rates per 100,000 Population
2015 2016 2017 2018 2019 2015 2016 2017 2018 2019
Atlanta-Sandy Springs-Roswell, GA 927‡ 1,135 1,146 1,249 1,537 16.2‡ 19.6 19.5 21.0 25.8
Austin-Round Rock, TX 175 212 226 295 366 8.7 10.3 10.7 13.6 16.9
Baltimore-Columbia-Towson, MD 316 327 389 470 456 11.3 11.7 13.9 16.8 16.3
Birmingham-Hoover, AL 62 57 § 68 85 123 5.4 5.0 § 5.9 7.4 10.7
Boston-Cambridge-Newton, MA-NH 319‡ 271‡ 266 104 440 6.7‡ 5.7‡ 5.5 2.1 9.0
Buffalo-Cheektowaga-Niagara Falls, NY 53 54 83 65 60 4.7 4.8 7.3 5.8 5.3
Charlotte-Concord-Gastonia, NC-SC 191 201 252 247 313 7.9 8.1 10.0 9.6 12.2
Chicago-Naperville-Elgin, IL-IN-WI 1,169 1,529 1,288 1,424 1,600 12.2 16.1 13.5 15.0 16.8
Cincinnati, OH-KY-IN 129 105 136 149 142 6.0 4.8 6.2 6.8 6.5
Cleveland-Elyria, OH 120 159 176 181 238 5.8 7.7 8.5 8.8 11.6
Columbus, OH 106 109 155 149 172 5.2 5.3 7.5 7.1 8.2
Dallas-Fort Worth-Arlington, TX 837 1,069 1,854 1,773 1,752 11.8 14.8 25.1 23.5 23.2
Denver-Aurora-Lakewood, CO 59 150 185 268 333 2.1 5.3 6.4 9.1 11.4
Detroit-Warren-Dearborn, MI 291 295 312 412 426 6.8 6.9 7.2 9.5 9.8
Hartford-West Hartford-East Hartford, CT 8 3 3 27 37 0.7 0.2 0.2 2.2 3.1
Houston-The Woodlands-Sugar Land, TX 1,592 1,805 2,060 1,857 1,374 23.9 26.7 29.9 26.5 19.6
Indianapolis-Carmel-Anderson, IN 93 87 106 125 148 4.7 4.3 5.2 6.1 7.2
Jacksonville, FL 179 181 249 254 274 12.3 12.2 16.5 16.6 17.9
Kansas City, MO-KS 40 87 92 183 234 1.9 4.1 4.3 8.5 10.9
Las Vegas-Henderson-Paradise, NV 102 315 513 675 857 4.8 14.6 23.3 30.2 38.4
Los Angeles-Long Beach-Anaheim, CA 1,902 2,532 3,164 3,338 3,708 14.3 19.0 23.7 25.1 27.9
Louisville-Jefferson County, KY-IN 92 112 127 121 132 7.2 8.7 9.8 9.3 10.2
Memphis, TN-MS-AR 256 336 257 322 406 19.0 25.0 19.1 23.8 30.1
Miami-Fort Lauderdale-West Palm Beach, FL 1,524 1,868 1,745 1,920 2,312 25.3 30.8 28.3 31.0 37.3
Milwaukee-Waukesha-West Allis, WI 43 70 84 85 68 2.7 4.5 5.3 5.4 4.3
Minneapolis-St. Paul-Bloomington, MN-WI 192 251 261 265 272 5.4 7.1 7.2 7.3 7.5
Nashville-Davidson-Murfreesboro-Franklin, TN 161 196 101 168 253 8.8 10.5 5.3 8.7 13.1
New Orleans-Metairie, LA 370 363 391 394 333 29.3 28.6 30.6 31.0 26.2
New York-Newark-Jersey City, NY-NJ-PA 2,915 3,534 3,687 3,506 3,445 14.4 17.5 18.1 17.5 17.2
Oklahoma City, OK 32 47 42 104 220 2.4 3.4 3.0 7.4 15.8
Orlando-Kissimmee-Sanford, FL 344 416 509 522 712 14.4 17.0 20.3 20.3 27.7
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD 314 266 342 380 489 5.2 4.4 5.6 6.2 8.0
Phoenix-Mesa-Scottsdale, AZ 394 534 645 945 968 8.6 11.5 13.6 19.5 19.9
Pittsburgh, PA 11 11 12 23 30 0.5 0.5 0.5 1.0 1.3
Portland-Vancouver-Hillsboro, OR-WA 171 173 207 221 284 7.2 7.1 8.4 8.9 11.5
Providence-Warwick, RI-MA 74‡ 102‡ 105‡ 123 263 4.6‡ 6.3‡ 6.5‡ 7.6 16.2
Raleigh, NC 125 109 169 170 206 9.8 8.4 12.7 12.5 15.1
Richmond, VA 36 35 111 107 136 2.8 2.7 8.6 8.2 10.4
Riverside-San Bernardino-Ontario, CA 508 707 911 1,319 1,798 11.3 15.6 19.9 28.5 38.9
Sacramento-Roseville-Arden-Arcade, CA 205 199 264 361 471 9.0 8.7 11.4 15.4 20.1
Salt Lake City, UT 50 76 61 80 84‡ 4.3 6.4 5.1 6.5 6.9‡
San Antonio-New Braunfels, TX 483 531 612 585 636 20.3 21.9 24.7 23.2 25.3
San Diego-Carlsbad, CA 367 425 576 697 794 11.1 12.8 17.3 20.8 23.7
San Francisco-Oakland-Hayward, CA 553 629 691 800 959 11.9 13.4 14.6 16.9 20.3
San Jose-Sunnyvale-Santa Clara, CA 129 145 237 339 494 6.5 7.3 11.9 17.0 24.7
Seattle-Tacoma-Bellevue, WA 224 268 321 314 381 6.0 7.1 8.3 8.0 9.7
St. Louis, MO-IL 165 160 254 295 374 5.9 5.7 9.0 10.5 13.3
Tampa-St. Petersburg-Clearwater, FL 299 326 392 393 502 10.0 10.8 12.7 12.5 16.0
Virginia Beach-Norfolk-Newport News, VA-NC 90 65 122 201 202 5.2 3.8 7.1 11.6 11.7
Washington-Arlington-Alexandria, DC-VA-MD-WV 501 474 827 816 1,002 8.2 7.7 13.3 13.1 16.0
SELECTED MSAs TOTAL 19,298 23,111 26,786 28,906 32,816 10.9 13.0 14.9 16.0 18.2
 

* The case classification of ‘Unknown duration or late syphilis’ went into effect in January 2018. During 2015–2017, cases in this category include cases classified as late latent syphilis and late syphilis with clinical manifestations. See Technical Notes for a detailed explanation of changes to the syphilis case definition.

† MSAs were selected on the basis of the largest population in the 2010 US Census.

‡ The variable used to identify county, which is used to classify cases into MSAs, was complete for ≤95% of cases in a state contributing data to this MSA. See Technical Notes for more information.

§ 2016 county data for Alabama have been corrected and may not match previous reports.

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