STD Rates in Boone County, Indiana

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 76,108
Combined
320.6
per 100K
41st / 92
Chlamydia
254.9
per 100K • 194 cases
Gonorrhea
63.1
per 100K • 48 cases
Syphilis P&S
2.6
per 100K • 2 cases

Boone County reported a combined STD rate of 320.6 per 100,000 residents in 2023, placing it 41st of 92 Indiana counties — in the upper half of the state. Reported infections included chlamydia at 254.9 per 100,000 (194 cases, 48% below the state rate), gonorrhea at 63.1 per 100,000 (48 cases, 56% below the state rate), syphilis at 2.6 per 100,000 (2 cases, 70% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Boone County has confidential testing locations available.

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Boone County vs Indiana Average

Infection Boone County Indiana Rate Difference
Chlamydia 254.9 491 48% below
Gonorrhea 63.1 144 56% below
Syphilis (P&S) 2.6 8.7 70% below

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Largest cities in Boone County, Indiana

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

STD testing in Zionsville, IN32,095 people → STD testing in Lebanon, IN17,812 people → STD testing in Whitestown, IN12,466 people →

Largest Counties in Indiana

Marion County → Lake County → Allen County → Hamilton County → St. Joseph County → Elkhart County → Tippecanoe County → Hendricks County → Vanderburgh County → Porter County →

All 92 Indiana counties → STD testing in Indiana →

FAQs

Boone County ranks 41st of 92 Indiana counties for combined STD rate in 2023, at 320.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Boone County, with 194 cases at a rate of 254.9 per 100,000 residents.
STDTest.com lists confidential testing locations across Boone County and Indiana. Many offer same-day appointments with results in 1–3 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
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