STD Rates in Carroll County, New Hampshire
2023 CDC surveillance data for Carroll County, New Hampshire — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Carroll County is among the lower-burden counties in New Hampshire, reporting a combined STD rate of 87.7 per 100,000 residents in 2023 — 10th of 10 counties. Reported infections included chlamydia at 76.3 per 100,000 (40 cases, 61% below the state rate), gonorrhea at 9.5 per 100,000 (5 cases, too few for a reliable comparison), syphilis at 1.9 per 100,000 (1 case, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Carroll County.
STD Trends in Carroll County, 2000–2023
Reported cases per 100,000 residents each year, against the New Hampshire 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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Carroll County vs New Hampshire and the US
| Infection | Carroll County | New Hampshire | US | vs New Hampshire | vs US | Rank in New Hampshire |
|---|---|---|---|---|---|---|
| Chlamydia | 76.340 cases | 196.6 | 490.7 | 61.2% below | 84.5% below | 10th of 10 |
| Gonorrhea | 9.55 cases | 41.9 | 178.2 | Too few cases | Too few cases | – |
| Syphilis (P&S) | 1.91 case | 3.9 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among New Hampshire’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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