STD Rates in Thurston County, Washington

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 298,985
Combined
412.7
per 100K
18th / 39
Chlamydia
315.4
per 100K • 943 cases
Gonorrhea
84.6
per 100K • 253 cases
Syphilis P&S
12.7
per 100K • 38 cases

Thurston County reported a combined STD rate of 412.7 per 100,000 residents in 2023, placing it 18th of 39 Washington counties — in the upper half of the state. Reported infections included chlamydia at 315.4 per 100,000 (943 cases, 11% below the state rate), gonorrhea at 84.6 per 100,000 (253 cases, 35% below the state rate), syphilis at 12.7 per 100,000 (38 cases, 40% below the state rate). Confidential STD testing is available throughout Thurston County — knowing your status is the only way to catch infections that often show no symptoms.

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Thurston County vs Washington Average

Infection Thurston County Washington Rate Difference
Chlamydia 315.4 354.4 11% below
Gonorrhea 84.6 129.6 35% below
Syphilis (P&S) 12.7 21.3 40% below

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Largest cities in Thurston County, Washington

Largest first, by Census population. Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Lacey, WA57,737 people → STD testing in Olympia, WA55,951 people → STD testing in Tumwater, WA26,956 people →

Largest Counties in Washington

King County → Pierce County → Snohomish County → Spokane County → Clark County → Kitsap County → Yakima County → Whatcom County → Benton County → Skagit County →

All 39 Washington counties → STD testing in Washington →

FAQs

Thurston County ranks 18th of 39 Washington counties for combined STD rate in 2023, at 412.7 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Thurston County, with 943 cases at a rate of 315.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Thurston County and Washington. Many offer same-day appointments with results in 1–3 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