STD Rates in Park County, Montana

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

Data Year: 2023 Source: CDC STI Surveillance Population: 17,906
Combined
167.6
per 100K
36th / 51
Chlamydia
145.2
per 100K • 26 cases
US rate: 490.7
35th of 51 in Montana
Higher than 14% of US counties
Gonorrhea
11.2
per 100K • 2 cases
Based on 2 cases — interpret with care
US rate: 178.2
Syphilis P&S
11.2
per 100K • 2 cases
Based on 2 cases — interpret with care
US rate: 15.8

Park County recorded a combined STD rate of 167.6 per 100,000 residents in 2023, ranking 36th of 51 counties in Montana. Reported infections included chlamydia at 145.2 per 100,000 (26 cases, 55% below the state rate), gonorrhea at 11.2 per 100,000 (2 cases, too few for a reliable comparison), syphilis at 11.2 per 100,000 (2 cases, too few for a reliable comparison). Confidential STD testing is available throughout Park County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Park County, 2000–2023

Reported cases per 100,000 residents each year, against the Montana rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.

Chlamydia
145.2
per 100K in 2023
0.0 in 2000
Peak 208.0 in 2022
Gonorrhea
11.2
per 100K in 2023
0.0 in 2000
Peak 66.2 in 2019
Syphilis (P&S)
11.2
per 100K in 2023
0.0 in 2000
Peak 12.2 in 2017

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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Park County vs Montana and the US

Infection Park County Montana US vs Montana vs US Rank in Montana
Chlamydia 145.226 cases 322.6 490.7 55% below 70.4% below 35th of 51
Gonorrhea 11.22 cases 67.7 178.2 Too few cases Too few cases –
Syphilis (P&S) 11.22 cases 27.5 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Montana’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.

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FAQs

Park County ranks 36th of 51 Montana counties for combined STD rate in 2023, at 167.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Park County, with 26 cases at a rate of 145.2 per 100,000 residents.
STDTest.com lists confidential testing locations across Park County and Montana. Many offer same-day appointments with results in 1–3 days.
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.