STD Rates in Baltimore City, Maryland
2023 CDC surveillance data for Baltimore City, Maryland — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Baltimore City has one of the higher STD burdens in Maryland, with a combined rate of 1,939.7 per 100,000 residents in 2023 — ranking 1st of 24 counties. Reported infections included chlamydia at 1218.4 per 100,000 (6,887 cases, 110% above the state rate), gonorrhea at 671.4 per 100,000 (3,795 cases, 224% above the state rate), syphilis at 49.9 per 100,000 (282 cases, 251% above the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Baltimore City.
STD Trends in Baltimore City, 2000–2023
Reported cases per 100,000 residents each year, against the Maryland rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.
Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.
Know your status — get tested today
Same-day testing at 4,500+ locations. No appointment needed. Results in 1–3 days.
Baltimore City vs Maryland and the US
| Infection | Baltimore City | Maryland | US | vs Maryland | vs US | Rank in Maryland |
|---|---|---|---|---|---|---|
| Chlamydia | 1218.46,887 cases | 579.8 | 490.7 | 110.1% above | 148.3% above | 1st of 24 |
| Gonorrhea | 671.43,795 cases | 207.1 | 178.2 | 224.2% above | 276.8% above | 1st of 24 |
| Syphilis (P&S) | 49.9282 cases | 14.2 | 15.8 | 251.4% above | 215.8% above | 1st of 24 |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Maryland’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.
Find a clinic near you
4,500+ testing locations nationwide. 100% confidential. Most insurance accepted.
