STD Rates in Washington County, Utah

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

Data Year: 2023 Source: CDC STI Surveillance Population: 202,467
Combined
327.5
per 100K
5th / 29
Chlamydia
275.6
per 100K • 558 cases
US rate: 490.7
5th of 29 in Utah
Higher than 48% of US counties
Gonorrhea
48.9
per 100K • 99 cases
US rate: 178.2
7th of 29 in Utah
Higher than 40% of US counties
Syphilis P&S
3
per 100K • 6 cases
Based on 6 cases — interpret with care
US rate: 15.8

Washington County has one of the higher STD burdens in Utah, with a combined rate of 327.5 per 100,000 residents in 2023 — ranking 5th of 29 counties. Reported infections included chlamydia at 275.6 per 100,000 (558 cases, 14% below the state rate), gonorrhea at 48.9 per 100,000 (99 cases, 37% below the state rate), syphilis at 3.0 per 100,000 (6 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Washington County has confidential testing locations available.

STD Trends in Washington County, 2000–2023

Reported cases per 100,000 residents each year, against the Utah 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
275.6
per 100K in 2023
74.5 in 2000
Peak 281.5 in 2018
Gonorrhea
48.9
per 100K in 2023
4.4 in 2000
Peak 59.1 in 2021
Syphilis (P&S)
3.0
per 100K in 2023
0.0 in 2000
Peak 5.2 in 2021

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

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Washington County vs Utah and the US

Infection Washington County Utah US vs Utah vs US Rank in Utah
Chlamydia 275.6558 cases 322 490.7 14.4% below 43.8% below 5th of 29
Gonorrhea 48.999 cases 77.9 178.2 37.2% below 72.6% below 7th of 29
Syphilis (P&S) 36 cases 9.7 15.8 Too few cases Too few cases

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Utah’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

Washington County ranks 5th of 29 Utah counties for combined STD rate in 2023, at 327.5 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Washington County, with 558 cases at a rate of 275.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Washington County and Utah. 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.