STD Rates in Benton County, Washington

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 215,238
Combined
606.8
per 100K
6th / 39
Chlamydia
472.5
per 100K • 1,017 cases
Gonorrhea
114.3
per 100K • 246 cases
Syphilis P&S
20
per 100K • 43 cases

Benton County has one of the higher STD burdens in Washington, with a combined rate of 606.8 per 100,000 residents in 2023 — ranking 6th of 39 counties. Reported infections included chlamydia at 472.5 per 100,000 (1,017 cases, 33% above the state rate), gonorrhea at 114.3 per 100,000 (246 cases, 12% below the state rate), syphilis at 20.0 per 100,000 (43 cases, 6% below the state rate). Confidential STD testing is available throughout Benton County — knowing your status is the only way to catch infections that often show no symptoms.

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Benton County vs Washington Average

Infection Benton County Washington Rate Difference
Chlamydia 472.5 354.4 33% above
Gonorrhea 114.3 129.6 12% below
Syphilis (P&S) 20 21.3 6% below

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Largest cities in Benton County, Washington

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

STD testing in Kennewick, WA85,295 people → STD testing in Richland, WA62,753 people → STD testing in West Richland, WA17,586 people → STD testing in Prosser, WA6,305 people →

Largest Counties in Washington

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

All 39 Washington counties → STD testing in Washington →

FAQs

Benton County ranks 6th of 39 Washington counties for combined STD rate in 2023, at 606.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Benton County, with 1,017 cases at a rate of 472.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Benton 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