STD Rates in Salt Lake County, Utah

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

Data Year: 2023 Source: CDC STI Surveillance Population: 1,185,859
Combined
645.3
per 100K
1st / 29
Chlamydia
472.4
per 100K • 5,602 cases
US rate: 490.7
1st of 29 in Utah
Higher than 76% of US counties
Gonorrhea
151.8
per 100K • 1,800 cases
US rate: 178.2
1st of 29 in Utah
Higher than 77% of US counties
Syphilis P&S
21.1
per 100K • 250 cases
US rate: 15.8
2nd of 29 in Utah
Higher than 81% of US counties

Salt Lake County has one of the higher STD burdens in Utah, with a combined rate of 645.3 per 100,000 residents in 2023 — ranking 1st of 29 counties. Reported infections included chlamydia at 472.4 per 100,000 (5,602 cases, 47% above the state rate), gonorrhea at 151.8 per 100,000 (1,800 cases, 95% above the state rate), syphilis at 21.1 per 100,000 (250 cases, 118% above the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Salt Lake County.

STD Trends in Salt Lake 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
472.4
per 100K in 2023
149.4 in 2000
Peak 491.2 in 2021
Gonorrhea
151.8
per 100K in 2023
19.3 in 2000
Peak 197.4 in 2021
Syphilis (P&S)
21.1
per 100K in 2023
0.1 in 2000
Peak 21.1 in 2023

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

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Salt Lake County vs Utah and the US

Infection Salt Lake County Utah US vs Utah vs US Rank in Utah
Chlamydia 472.45,602 cases 322 490.7 46.7% above 3.7% below 1st of 29
Gonorrhea 151.81,800 cases 77.9 178.2 94.9% above 14.8% below 1st of 29
Syphilis (P&S) 21.1250 cases 9.7 15.8 117.5% above 33.5% above 2nd of 29

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

Salt Lake County ranks 1st of 29 Utah counties for combined STD rate in 2023, at 645.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Salt Lake County, with 5,602 cases at a rate of 472.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Salt Lake 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.