STD Rates in Knox County, Maine

2023 CDC surveillance data for Knox County, Maine — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 40,967
Combined
166
per 100K
12th / 16
Chlamydia
148.9
per 100K • 61 cases
Gonorrhea
12.2
per 100K • 5 cases
Syphilis P&S
4.9
per 100K • 2 cases

Knox County recorded a combined STD rate of 166.0 per 100,000 residents in 2023, ranking 12th of 16 counties in Maine. Reported infections included chlamydia at 148.9 per 100,000 (61 cases, 32% below the state rate), gonorrhea at 12.2 per 100,000 (5 cases, 73% below the state rate), syphilis at 4.9 per 100,000 (2 cases, 8% below the state rate). Confidential STD testing is available throughout Knox County — knowing your status is the only way to catch infections that often show no symptoms.

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Knox County vs Maine Average

Infection Knox County Maine Rate Difference
Chlamydia 148.9 217.4 32% below
Gonorrhea 12.2 44.4 73% below
Syphilis (P&S) 4.9 5.3 8% below

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STD testing in Knox County, Maine

Clinics, free and low-cost testing, and labs near Rockland.

STD testing in Rockland, ME7,035 people →

Largest Counties in Maine

Cumberland County → York County → Penobscot County → Kennebec County → Androscoggin County → Aroostook County → Oxford County → Hancock County → Somerset County → Waldo County →

All 16 Maine counties → STD testing in Maine →

FAQs

Knox County ranks 12th of 16 Maine counties for combined STD rate in 2023, at 166.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Knox County, with 61 cases at a rate of 148.9 per 100,000 residents.
STDTest.com lists confidential testing locations across Knox County and Maine. Many offer same-day appointments with results in 1–3 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