STD Rates in San Miguel County, Colorado

2023 CDC surveillance data for San Miguel County, Colorado — chlamydia, gonorrhea, and syphilis rates with state comparisons.

Data Year: 2023 Source: CDC STI Surveillance Population: 7,867
Combined
355.9
per 100K
26th / 61
Chlamydia
355.9
per 100K • 28 cases
US rate: 490.7
15th of 61 in Colorado
Higher than 63% of US counties
Gonorrhea
0.0
No cases reported
Syphilis P&S
0.0
No cases reported

San Miguel County reported a combined STD rate of 355.9 per 100,000 residents in 2023, placing it 26th of 61 Colorado counties — in the upper half of the state. Reported infections included chlamydia at 355.9 per 100,000 (28 cases, 18% below the state rate). No gonorrhea or syphilis cases were reported in San Miguel County in 2023. Routine testing is the surest way to catch STDs early, since many produce no symptoms. San Miguel County has confidential testing locations available.

STD Trends in San Miguel County, 2000–2023

Reported cases per 100,000 residents each year, against the Colorado 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
355.9
per 100K in 2023
0.0 in 2000
Peak 355.9 in 2023
Gonorrhea
0.0
per 100K in 2023
15.2 in 2000
Peak 36.7 in 2019
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 13.9 in 2006

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

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San Miguel County vs Colorado and the US

Infection San Miguel County Colorado US vs Colorado vs US Rank in Colorado
Chlamydia 355.928 cases 435.1 490.7 18.2% below 27.5% below 15th of 61
Gonorrhea 00 cases 128.7 178.2 Too few cases Too few cases –
Syphilis (P&S) 00 cases 16 15.8 Too few cases Too few cases –

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

San Miguel County ranks 26th of 61 Colorado counties for combined STD rate in 2023, at 355.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in San Miguel County, with 28 cases at a rate of 355.9 per 100,000 residents.
STDTest.com lists confidential testing locations across San Miguel County and Colorado. 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.