STD Rates in Grant County, Indiana

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 66,204
Combined
661.6
per 100K
10th / 92
Chlamydia
504.5
per 100K • 334 cases
Gonorrhea
154.1
per 100K • 102 cases
Syphilis P&S
3
per 100K • 2 cases

Grant County has one of the higher STD burdens in Indiana, with a combined rate of 661.6 per 100,000 residents in 2023 — ranking 10th of 92 counties. Reported infections included chlamydia at 504.5 per 100,000 (334 cases, 3% above the state rate), gonorrhea at 154.1 per 100,000 (102 cases, 7% above the state rate), syphilis at 3.0 per 100,000 (2 cases, 66% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Grant County.

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Grant County vs Indiana Average

Infection Grant County Indiana Rate Difference
Chlamydia 504.5 491 3% above
Gonorrhea 154.1 144 7% above
Syphilis (P&S) 3 8.7 66% below

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STD testing in Grant County, Indiana

Clinics, free and low-cost testing, and labs near Marion.

STD testing in Marion, IN27,531 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

Grant County ranks 10th of 92 Indiana counties for combined STD rate in 2023, at 661.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Grant County, with 334 cases at a rate of 504.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Grant 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