STD Rates in Carbon County, Utah

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

Data Year: 2023 Source: CDC STI Surveillance Population: 20,606
Combined
257.3
per 100K
12th / 29
Chlamydia
237.8
per 100K • 49 cases
US rate: 490.7
9th of 29 in Utah
Higher than 40% of US counties
Gonorrhea
14.6
per 100K • 3 cases
Based on 3 cases — interpret with care
US rate: 178.2
Syphilis P&S
4.9
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Carbon County reported a combined STD rate of 257.3 per 100,000 residents in 2023, placing it 12th of 29 Utah counties — in the upper half of the state. Reported infections included chlamydia at 237.8 per 100,000 (49 cases, 26% below the state rate), gonorrhea at 14.6 per 100,000 (3 cases, too few for a reliable comparison), syphilis at 4.9 per 100,000 (1 case, too few for a reliable comparison). Confidential STD testing is available throughout Carbon County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Carbon 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
237.8
per 100K in 2023
48.9 in 2000
Peak 306.4 in 2018
Gonorrhea
14.6
per 100K in 2023
0.0 in 2000
Peak 74.1 in 2018
Syphilis (P&S)
4.9
per 100K in 2023
0.0 in 2000
Peak 5.1 in 2004

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

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Carbon County vs Utah and the US

Infection Carbon County Utah US vs Utah vs US Rank in Utah
Chlamydia 237.849 cases 322 490.7 26.1% below 51.5% below 9th of 29
Gonorrhea 14.63 cases 77.9 178.2 Too few cases Too few cases
Syphilis (P&S) 4.91 case 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

Carbon County ranks 12th of 29 Utah counties for combined STD rate in 2023, at 257.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Carbon County, with 49 cases at a rate of 237.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Carbon 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.