STD Rates in Sanders County, Montana

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

Data Year: 2023 Source: CDC STI Surveillance Population: 13,689
Combined
160.7
per 100K
37th / 51
Chlamydia
138.8
per 100K • 19 cases
Based on 19 cases — interpret with care
US rate: 490.7
Gonorrhea
14.6
per 100K • 2 cases
Based on 2 cases — interpret with care
US rate: 178.2
Syphilis P&S
7.3
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Sanders County recorded a combined STD rate of 160.7 per 100,000 residents in 2023, ranking 37th of 51 counties in Montana. Reported infections included chlamydia at 138.8 per 100,000 (19 cases, too few for a reliable comparison), gonorrhea at 14.6 per 100,000 (2 cases, too few for a reliable comparison), syphilis at 7.3 per 100,000 (1 case, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Sanders County.

STD Trends in Sanders 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
138.8
per 100K in 2023
0.0 in 2000
Peak 385.6 in 2002
Gonorrhea
14.6
per 100K in 2023
0.0 in 2000
Peak 82.6 in 2019
Syphilis (P&S)
7.3
per 100K in 2023
0.0 in 2000
Peak 8.8 in 2011

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

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Sanders County vs Montana and the US

Infection Sanders County Montana US vs Montana vs US Rank in Montana
Chlamydia 138.819 cases 322.6 490.7 Too few cases Too few cases –
Gonorrhea 14.62 cases 67.7 178.2 Too few cases Too few cases –
Syphilis (P&S) 7.31 case 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

Sanders County ranks 37th of 51 Montana counties for combined STD rate in 2023, at 160.7 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Sanders County, with 19 cases at a rate of 138.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Sanders 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.