STD Rates in Adams County, Colorado

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 533,322
Combined
774.2
per 100K
3rd / 61
Chlamydia
588.2
per 100K • 3,137 cases
Gonorrhea
168.2
per 100K • 897 cases
Syphilis P&S
17.8
per 100K • 95 cases

Adams County has one of the higher STD burdens in Colorado, with a combined rate of 774.2 per 100,000 residents in 2023 — ranking 3rd of 61 counties. Reported infections included chlamydia at 588.2 per 100,000 (3,137 cases, 35% above the state rate), gonorrhea at 168.2 per 100,000 (897 cases, 31% above the state rate), syphilis at 17.8 per 100,000 (95 cases, 11% above the state rate). Confidential STD testing is available throughout Adams County — knowing your status is the only way to catch infections that often show no symptoms.

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Adams County vs Colorado Average

Infection Adams County Colorado Rate Difference
Chlamydia 588.2 435.1 35% above
Gonorrhea 168.2 128.7 31% above
Syphilis (P&S) 17.8 16 11% above

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Largest cities in Adams County, Colorado

Largest first, by Census population. Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Thornton, CO144,187 people → STD testing in Westminster, CO115,484 people → STD testing in Commerce City, CO66,445 people → STD testing in Brighton, CO42,059 people → STD testing in Northglenn, CO38,014 people → STD testing in Sherrelwood, CO18,692 people → STD testing in Welby, CO16,197 people → STD testing in Federal Heights, CO14,125 people → STD testing in Berkley, CO10,789 people →

Largest Counties in Colorado

El Paso County → Denver County → Arapahoe County → Jefferson County → Douglas County → Larimer County → Weld County → Boulder County → Pueblo County → Mesa County →

All 61 Colorado counties → STD testing in Colorado →

FAQs

Adams County ranks 3rd of 61 Colorado counties for combined STD rate in 2023, at 774.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Adams County, with 3,137 cases at a rate of 588.2 per 100,000 residents.
STDTest.com lists confidential testing locations across Adams County and Colorado. Many offer same-day appointments with results in 1–3 days.

Related Resources

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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.
Sources