STD Rates in Madison County, Montana

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

Data Year: 2023 Source: CDC STI Surveillance Population: 9,524
Combined
94.5
per 100K
43rd / 51
Chlamydia
84
per 100K • 8 cases
Based on 8 cases — interpret with care
US rate: 490.7
Gonorrhea
0.0
No cases reported
Syphilis P&S
10.5
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Madison County is among the lower-burden counties in Montana, reporting a combined STD rate of 94.5 per 100,000 residents in 2023 — 43rd of 51 counties. Reported infections included chlamydia at 84.0 per 100,000 (8 cases, too few for a reliable comparison), syphilis at 10.5 per 100,000 (1 case, too few for a reliable comparison). No gonorrhea cases were reported in Madison County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Madison County.

STD Trends in Madison 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
84.0
per 100K in 2023
0.0 in 2000
Peak 182.4 in 2013
Gonorrhea
0.0
per 100K in 2023
0.0 in 2000
Peak 37.4 in 2015
Syphilis (P&S)
10.5
per 100K in 2023
0.0 in 2000
Peak 22.4 in 2021

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

Know your status — get tested today

Same-day testing at 4,500+ locations. No appointment needed. Results in 1–3 days.

Madison County vs Montana and the US

Infection Madison County Montana US vs Montana vs US Rank in Montana
Chlamydia 848 cases 322.6 490.7 Too few cases Too few cases –
Gonorrhea 00 cases 67.7 178.2 Too few cases Too few cases –
Syphilis (P&S) 10.51 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.

Find a clinic near you

4,500+ testing locations nationwide. 100% confidential. Most insurance accepted.

FAQs

Madison County ranks 43rd of 51 Montana counties for combined STD rate in 2023, at 94.5 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Madison County, with 8 cases at a rate of 84.0 per 100,000 residents.
STDTest.com lists confidential testing locations across Madison 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.