STD Rates in Hillsborough County, New Hampshire

2023 CDC surveillance data for Hillsborough County, New Hampshire — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 427,387
Combined
353.5
per 100K
1st / 10
Chlamydia
277.5
per 100K • 1,186 cases
Gonorrhea
71.8
per 100K • 307 cases
Syphilis P&S
4.2
per 100K • 18 cases

Hillsborough County has one of the higher STD burdens in New Hampshire, with a combined rate of 353.5 per 100,000 residents in 2023 — ranking 1st of 10 counties. Reported infections included chlamydia at 277.5 per 100,000 (1,186 cases, 41% above the state rate), gonorrhea at 71.8 per 100,000 (307 cases, 71% above the state rate), syphilis at 4.2 per 100,000 (18 cases, 8% above the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Hillsborough County.

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Hillsborough County County vs New Hampshire Average

Infection Hillsborough County County New Hampshire Rate Difference
Chlamydia 277.5 196.6 41% above
Gonorrhea 71.8 41.9 71% above
Syphilis (P&S) 4.2 3.9 8% above

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Other Counties in New Hampshire

STD Testing Locations in Hillsborough County, New Hampshire

FAQs

Hillsborough County ranks 1st of 10 New Hampshire counties for combined STD rate in 2023, at 353.5 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Hillsborough County, with 1,186 cases at a rate of 277.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Hillsborough County and New Hampshire. Many offer same-day appointments with results in 1u20133 days.

Related Resources

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Data sourced from the CDC's annual STI Surveillance Report. Rates are per 100,000 population and reflect reported cases only — actual prevalence is likely higher due to undiagnosed infections. While we strive for accuracy, STDTest.com makes no representations or warranties regarding the completeness or accuracy of this data and is not responsible for any errors or omissions. This page is for informational purposes only and does not constitute medical advice.
Sources