STD Rates in Whatcom County, Washington

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 231,879
Combined
349.3
per 100K
21st / 39
Chlamydia
277.3
per 100K • 643 cases
Gonorrhea
62.5
per 100K • 145 cases
Syphilis P&S
9.5
per 100K • 22 cases

Whatcom County recorded a combined STD rate of 349.3 per 100,000 residents in 2023, ranking 21st of 39 counties in Washington. Reported infections included chlamydia at 277.3 per 100,000 (643 cases, 22% below the state rate), gonorrhea at 62.5 per 100,000 (145 cases, 52% below the state rate), syphilis at 9.5 per 100,000 (22 cases, 55% below the state rate). Confidential STD testing is available throughout Whatcom County — knowing your status is the only way to catch infections that often show no symptoms.

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Whatcom County vs Washington Average

Infection Whatcom County Washington Rate Difference
Chlamydia 277.3 354.4 22% below
Gonorrhea 62.5 129.6 52% below
Syphilis (P&S) 9.5 21.3 55% below

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Largest cities in Whatcom County, Washington

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

STD testing in Bellingham, WA93,438 people → STD testing in Lynden, WA16,234 people → STD testing in Ferndale, WA15,999 people → STD testing in Everson, WA3,040 people →

Largest Counties in Washington

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

All 39 Washington counties → STD testing in Washington →

FAQs

Whatcom County ranks 21st of 39 Washington counties for combined STD rate in 2023, at 349.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Whatcom County, with 643 cases at a rate of 277.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Whatcom 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