STD Rates in Clallam County, Washington

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

Data Year: 2023 Source: CDC STI Surveillance Population: 77,629
Combined
173.9
per 100K
33rd / 39
Chlamydia
141.7
per 100K • 110 cases
US rate: 490.7
32nd of 39 in Washington
Higher than 13% of US counties
Gonorrhea
30.9
per 100K • 24 cases
US rate: 178.2
33rd of 39 in Washington
Higher than 26% of US counties
Syphilis P&S
1.3
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Clallam County is among the lower-burden counties in Washington, reporting a combined STD rate of 173.9 per 100,000 residents in 2023 — 33rd of 39 counties. Reported infections included chlamydia at 141.7 per 100,000 (110 cases, 60% below the state rate), gonorrhea at 30.9 per 100,000 (24 cases, 76% below the state rate), syphilis at 1.3 per 100,000 (1 case, too few for a reliable comparison). Confidential STD testing is available throughout Clallam County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Clallam County, 2000–2023

Reported cases per 100,000 residents each year, against the Washington rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.

Chlamydia
141.7
per 100K in 2023
122.9 in 2000
Peak 270.7 in 2016
Gonorrhea
30.9
per 100K in 2023
10.9 in 2000
Peak 64.3 in 2022
Syphilis (P&S)
1.3
per 100K in 2023
0.0 in 2000
Peak 7.7 in 2021

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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Clallam County vs Washington and the US

Infection Clallam County Washington US vs Washington vs US Rank in Washington
Chlamydia 141.7110 cases 354.4 490.7 60% below 71.1% below 32nd of 39
Gonorrhea 30.924 cases 129.6 178.2 76.2% below 82.7% below 33rd of 39
Syphilis (P&S) 1.31 case 21.3 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Washington’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.

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FAQs

Clallam County ranks 33rd of 39 Washington counties for combined STD rate in 2023, at 173.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Clallam County, with 110 cases at a rate of 141.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Clallam County and Washington. Many offer same-day appointments with results in 1–3 days.
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.