Data Year: 2023Source: CDC STI SurveillancePopulation: 1,063,243
Combined
753.1
per 100K
5th / 15
Chlamydia
555
per 100K • 5,901 cases
Gonorrhea
172
per 100K • 1,829 cases
Syphilis P&S
26.1
per 100K • 278 cases
Pima County reported a combined STD rate of 753.1 per 100,000 residents in 2023, placing it 5th of 15 Arizona counties — in the upper half of the state. Reported infections included chlamydia at 555.0 per 100,000 (5,901 cases, 0% above the state rate), gonorrhea at 172.0 per 100,000 (1,829 cases, 10% below the state rate), syphilis at 26.1 per 100,000 (278 cases, 8% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Pima County has confidential testing locations available.
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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.