STD Rates in Nassau County, New York
2023 CDC surveillance data for Nassau County, New York — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Nassau County reported a combined STD rate of 406.1 per 100,000 residents in 2023, placing it 25th of 62 New York counties — in the upper half of the state. Reported infections included chlamydia at 328.3 per 100,000 (4,536 cases, 41% below the state rate), gonorrhea at 70.1 per 100,000 (968 cases, 70% below the state rate), syphilis at 7.7 per 100,000 (107 cases, 48% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Nassau County.
STD Trends in Nassau 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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Nassau County vs New York and the US
| Infection | Nassau County | New York | US | vs New York | vs US | Rank in New York |
|---|---|---|---|---|---|---|
| Chlamydia | 328.34,536 cases | 558.4 | 490.7 | 41.2% below | 33.1% below | 22nd of 62 |
| Gonorrhea | 70.1968 cases | 235.6 | 178.2 | 70.2% below | 60.7% below | 31st of 62 |
| Syphilis (P&S) | 7.7107 cases | 14.8 | 15.8 | 48% below | 51.3% below | 26th 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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