STD Rates in Iosco County, Michigan

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

Data Year: 2023 Source: CDC STI Surveillance Population: 25,362
Combined
110.4
per 100K
76th / 83
Chlamydia
110.4
per 100K • 28 cases
US rate: 490.7
74th of 83 in Michigan
Higher than 6% of US counties
Gonorrhea
0.0
No cases reported
Syphilis P&S
0.0
No cases reported

Iosco County is among the lower-burden counties in Michigan, reporting a combined STD rate of 110.4 per 100,000 residents in 2023 — 76th of 83 counties. Reported infections included chlamydia at 110.4 per 100,000 (28 cases, 74% below the state rate). No gonorrhea or syphilis cases were reported in Iosco County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Iosco County.

STD Trends in Iosco County, 2000–2023

Reported cases per 100,000 residents each year, against the Michigan 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
110.4
per 100K in 2023
54.9 in 2000
Peak 239.0 in 2018
Gonorrhea
0.0
per 100K in 2023
0.0 in 2000
Peak 31.7 in 2020
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 0.0 in 2000

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

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Iosco County vs Michigan and the US

Infection Iosco County Michigan US vs Michigan vs US Rank in Michigan
Chlamydia 110.428 cases 429.5 490.7 74.3% below 77.5% below 74th of 83
Gonorrhea 00 cases 152.2 178.2 Too few cases Too few cases –
Syphilis (P&S) 00 cases 8.4 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Michigan’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

Iosco County ranks 76th of 83 Michigan counties for combined STD rate in 2023, at 110.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Iosco County, with 28 cases at a rate of 110.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Iosco County and Michigan. 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.