STD Rates in Walla Walla County, Washington

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

Data Year: 2023 Source: CDC STI Surveillance Population: 61,569
Combined
534.4
per 100K
10th / 39
Chlamydia
449.9
per 100K • 277 cases
US rate: 490.7
8th of 39 in Washington
Higher than 74% of US counties
Gonorrhea
73.1
per 100K • 45 cases
US rate: 178.2
13th of 39 in Washington
Higher than 55% of US counties
Syphilis P&S
11.4
per 100K • 7 cases
Based on 7 cases — interpret with care
US rate: 15.8

Walla Walla County reported a combined STD rate of 534.4 per 100,000 residents in 2023, placing it 10th of 39 Washington counties — in the upper half of the state. Reported infections included chlamydia at 449.9 per 100,000 (277 cases, 27% above the state rate), gonorrhea at 73.1 per 100,000 (45 cases, 44% below the state rate), syphilis at 11.4 per 100,000 (7 cases, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Walla Walla County.

STD Trends in Walla Walla 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
449.9
per 100K in 2023
152.1 in 2000
Peak 518.4 in 2019
Gonorrhea
73.1
per 100K in 2023
1.8 in 2000
Peak 128.4 in 2019
Syphilis (P&S)
11.4
per 100K in 2023
0.0 in 2000
Peak 22.3 in 2021

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

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Walla Walla County vs Washington and the US

Infection Walla Walla County Washington US vs Washington vs US Rank in Washington
Chlamydia 449.9277 cases 354.4 490.7 26.9% above 8.3% below 8th of 39
Gonorrhea 73.145 cases 129.6 178.2 43.6% below 59% below 13th of 39
Syphilis (P&S) 11.47 cases 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

Walla Walla County ranks 10th of 39 Washington counties for combined STD rate in 2023, at 534.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Walla Walla County, with 277 cases at a rate of 449.9 per 100,000 residents.
STDTest.com lists confidential testing locations across Walla Walla 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.