STD Rates in Grafton County, New Hampshire
2023 CDC surveillance data for Grafton County, New Hampshire — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Grafton County reported a combined STD rate of 202.9 per 100,000 residents in 2023, placing it 4th of 10 New Hampshire counties — in the upper half of the state. Reported infections included chlamydia at 169.6 per 100,000 (158 cases, 14% below the state rate), gonorrhea at 29.0 per 100,000 (27 cases, 31% below the state rate), syphilis at 4.3 per 100,000 (4 cases, 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 Grafton County.
STD Trends in Grafton 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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Grafton County vs New Hampshire and the US
| Infection | Grafton County | New Hampshire | US | vs New Hampshire | vs US | Rank in New Hampshire |
|---|---|---|---|---|---|---|
| Chlamydia | 169.6158 cases | 196.6 | 490.7 | 13.7% below | 65.4% below | 4th of 10 |
| Gonorrhea | 2927 cases | 41.9 | 178.2 | 30.8% below | 83.7% below | 6th of 10 |
| Syphilis (P&S) | 4.34 cases | 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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