STD Rates in Somerset County, Maryland
2023 CDC surveillance data for Somerset County, Maryland — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Somerset County has one of the higher STD burdens in Maryland, with a combined rate of 790.8 per 100,000 residents in 2023 — ranking 5th of 24 counties. Reported infections included chlamydia at 537.9 per 100,000 (134 cases, 7% below the state rate), gonorrhea at 240.9 per 100,000 (60 cases, 16% above the state rate), syphilis at 12.0 per 100,000 (3 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Somerset County has confidential testing locations available.
STD Trends in Somerset County, 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.
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Somerset County vs Maryland and the US
| Infection | Somerset County | Maryland | US | vs Maryland | vs US | Rank in Maryland |
|---|---|---|---|---|---|---|
| Chlamydia | 537.9134 cases | 579.8 | 490.7 | 7.2% below | 9.6% above | 7th of 24 |
| Gonorrhea | 240.960 cases | 207.1 | 178.2 | 16.3% above | 35.2% above | 5th of 24 |
| Syphilis (P&S) | 123 cases | 14.2 | 15.8 | Too few cases | Too few cases | – |
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.
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