STD Rates in Suffolk County, New York
2023 CDC surveillance data for Suffolk County, New York — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Suffolk County reported a combined STD rate of 418.8 per 100,000 residents in 2023, placing it 23rd of 62 New York counties — in the upper half of the state. Reported infections included chlamydia at 342.5 per 100,000 (5,217 cases, 39% below the state rate), gonorrhea at 70.5 per 100,000 (1,074 cases, 70% below the state rate), syphilis at 5.8 per 100,000 (89 cases, 61% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Suffolk County has confidential testing locations available.
STD Trends in Suffolk County, 2000–2023
Reported cases per 100,000 residents each year, against the New York 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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Suffolk County vs New York and the US
| Infection | Suffolk County | New York | US | vs New York | vs US | Rank in New York |
|---|---|---|---|---|---|---|
| Chlamydia | 342.55,217 cases | 558.4 | 490.7 | 38.7% below | 30.2% below | 19th of 62 |
| Gonorrhea | 70.51,074 cases | 235.6 | 178.2 | 70.1% below | 60.4% below | 30th of 62 |
| Syphilis (P&S) | 5.889 cases | 14.8 | 15.8 | 60.8% below | 63.3% below | 35th of 62 |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among New York’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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