Data Year: 2023Source: CDC STI SurveillancePopulation: 36,244
Combined
195.9
per 100K
79th / 99
Chlamydia
182.1
per 100K • 66 cases
Gonorrhea
13.8
per 100K • 5 cases
Syphilis P&S
0.0
No cases reported
Sioux County is among the lower-burden counties in Iowa, reporting a combined STD rate of 195.9 per 100,000 residents in 2023 — 79th of 99 counties. Reported infections included chlamydia at 182.1 per 100,000 (66 cases, 57% below the state rate), gonorrhea at 13.8 per 100,000 (5 cases, 88% below the state rate). No syphilis cases were reported in Sioux County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Sioux County.
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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.