STD Rates in Gallatin County, Montana

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 126,403
Combined
457.3
per 100K
8th / 51
Chlamydia
409.8
per 100K • 518 cases
Gonorrhea
44.3
per 100K • 56 cases
Syphilis P&S
3.2
per 100K • 4 cases

Gallatin County has one of the higher STD burdens in Montana, with a combined rate of 457.3 per 100,000 residents in 2023 — ranking 8th of 51 counties. Reported infections included chlamydia at 409.8 per 100,000 (518 cases, 27% above the state rate), gonorrhea at 44.3 per 100,000 (56 cases, 35% below the state rate), syphilis at 3.2 per 100,000 (4 cases, 88% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Gallatin County has confidential testing locations available.

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Gallatin County County vs Montana Average

Infection Gallatin County County Montana Rate Difference
Chlamydia 409.8 322.6 27% above
Gonorrhea 44.3 67.7 35% below
Syphilis (P&S) 3.2 27.5 88% below

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Other Counties in Montana

STD Testing Locations in Gallatin County, Montana

FAQs

Gallatin County ranks 8th of 51 Montana counties for combined STD rate in 2023, at 457.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Gallatin County, with 518 cases at a rate of 409.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Gallatin County and Montana. Many offer same-day appointments with results in 1u20133 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.
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