STD Rates in Strafford County, New Hampshire
2023 CDC surveillance data for Strafford County, New Hampshire — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Strafford County has one of the higher STD burdens in New Hampshire, with a combined rate of 267.9 per 100,000 residents in 2023 — ranking 2nd of 10 counties. Reported infections included chlamydia at 228.9 per 100,000 (305 cases, 16% above the state rate), gonorrhea at 36.0 per 100,000 (48 cases, 14% below the state rate), syphilis at 3.0 per 100,000 (4 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Strafford County has confidential testing locations available.
STD Trends in Strafford 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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Strafford County vs New Hampshire and the US
| Infection | Strafford County | New Hampshire | US | vs New Hampshire | vs US | Rank in New Hampshire |
|---|---|---|---|---|---|---|
| Chlamydia | 228.9305 cases | 196.6 | 490.7 | 16.4% above | 53.4% below | 2nd of 10 |
| Gonorrhea | 3648 cases | 41.9 | 178.2 | 14.1% below | 79.8% below | 2nd of 10 |
| Syphilis (P&S) | 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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