STD Rates in Union County, New Jersey
2023 CDC surveillance data for Union County, New Jersey — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Union County reported a combined STD rate of 594.6 per 100,000 residents in 2023, placing it 9th of 21 New Jersey counties — in the upper half of the state. Reported infections included chlamydia at 452.7 per 100,000 (2,593 cases, 18% above the state rate), gonorrhea at 131.8 per 100,000 (755 cases, 21% above the state rate), syphilis at 10.1 per 100,000 (58 cases, 25% above the state rate). Confidential STD testing is available throughout Union County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Union County, 2000–2023
Reported cases per 100,000 residents each year, against the New Jersey 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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Union County vs New Jersey and the US
| Infection | Union County | New Jersey | US | vs New Jersey | vs US | Rank in New Jersey |
|---|---|---|---|---|---|---|
| Chlamydia | 452.72,593 cases | 384.1 | 490.7 | 17.9% above | 7.7% below | 8th of 21 |
| Gonorrhea | 131.8755 cases | 109.1 | 178.2 | 20.8% above | 26% below | 8th of 21 |
| Syphilis (P&S) | 10.158 cases | 8.1 | 15.8 | 24.7% above | 36.1% below | 8th of 21 |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among New Jersey’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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