Data Year: 2023Source: CDC STI SurveillancePopulation: 31,375
Combined
165.7
per 100K
6th / 10
Chlamydia
149.8
per 100K • 47 cases
Gonorrhea
15.9
per 100K • 5 cases
Syphilis P&S
0.0
No cases reported
Coos County recorded a combined STD rate of 165.7 per 100,000 residents in 2023, ranking 6th of 10 counties in New Hampshire. Reported infections included chlamydia at 149.8 per 100,000 (47 cases, 24% below the state rate), gonorrhea at 15.9 per 100,000 (5 cases, 62% below the state rate). No syphilis cases were reported in Coos County in 2023. Confidential STD testing is available throughout Coos County — knowing your status is the only way to catch infections that often show no symptoms.
Know your status — get tested today
Same-day testing at 4,500+ locations. No appointment needed. Results in 1–3 days.
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.