STD Rates in Mason County, Washington

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 68,398
Combined
400.6
per 100K
20th / 39
Chlamydia
315.8
per 100K • 216 cases
Gonorrhea
65.8
per 100K • 45 cases
Syphilis P&S
19
per 100K • 13 cases

Mason County recorded a combined STD rate of 400.6 per 100,000 residents in 2023, ranking 20th of 39 counties in Washington. Reported infections included chlamydia at 315.8 per 100,000 (216 cases, 11% below the state rate), gonorrhea at 65.8 per 100,000 (45 cases, 49% below the state rate), syphilis at 19.0 per 100,000 (13 cases, 11% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Mason County has confidential testing locations available.

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Mason County County vs Washington Average

Infection Mason County County Washington Rate Difference
Chlamydia 315.8 354.4 11% below
Gonorrhea 65.8 129.6 49% below
Syphilis (P&S) 19 21.3 11% below

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Other Counties in Washington

STD Testing Locations in Mason County, Washington

FAQs

Mason County ranks 20th of 39 Washington counties for combined STD rate in 2023, at 400.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Mason County, with 216 cases at a rate of 315.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Mason County and Washington. Many offer same-day appointments with results in 1u20133 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
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