STD Rates in Massac County, Illinois

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 13,660
Combined
439.2
per 100K
30th / 102
Chlamydia
285.5
per 100K • 39 cases
Gonorrhea
153.7
per 100K • 21 cases
Syphilis P&S
0.0
No cases reported

Massac County reported a combined STD rate of 439.2 per 100,000 residents in 2023, placing it 30th of 102 Illinois counties — in the upper half of the state. Reported infections included chlamydia at 285.5 per 100,000 (39 cases, 49% below the state rate), gonorrhea at 153.7 per 100,000 (21 cases, 24% below the state rate). No syphilis cases were reported in Massac County in 2023. Confidential STD testing is available throughout Massac County — knowing your status is the only way to catch infections that often show no symptoms.

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Massac County vs Illinois Average

Infection Massac County Illinois Rate Difference
Chlamydia 285.5 557.7 49% below
Gonorrhea 153.7 202.3 24% below

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STD testing in Massac County, Illinois

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

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FAQs

Massac County ranks 30th of 102 Illinois counties for combined STD rate in 2023, at 439.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Massac County, with 39 cases at a rate of 285.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Massac County and Illinois. Many offer same-day appointments with results in 1–3 days.

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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