STD Rates in Lake County, Michigan

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

Data Year: 2023 Source: CDC STI Surveillance Population: 12,736
Combined
251.3
per 100K
38th / 83
Chlamydia
227.7
per 100K • 29 cases
US rate: 490.7
30th of 83 in Michigan
Higher than 37% of US counties
Gonorrhea
15.7
per 100K • 2 cases
Based on 2 cases — interpret with care
US rate: 178.2
Syphilis P&S
7.9
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Lake County reported a combined STD rate of 251.3 per 100,000 residents in 2023, placing it 38th of 83 Michigan counties — in the upper half of the state. Reported infections included chlamydia at 227.7 per 100,000 (29 cases, 47% below the state rate), gonorrhea at 15.7 per 100,000 (2 cases, too few for a reliable comparison), syphilis at 7.9 per 100,000 (1 case, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Lake County has confidential testing locations available.

STD Trends in Lake 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
227.7
per 100K in 2023
106.3 in 2000
Peak 350.5 in 2015
Gonorrhea
15.7
per 100K in 2023
70.9 in 2000
Peak 94.2 in 2004
Syphilis (P&S)
7.9
per 100K in 2023
0.0 in 2000
Peak 15.9 in 2022

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.

Lake County vs Michigan and the US

Infection Lake County Michigan US vs Michigan vs US Rank in Michigan
Chlamydia 227.729 cases 429.5 490.7 47% below 53.6% below 30th of 83
Gonorrhea 15.72 cases 152.2 178.2 Too few cases Too few cases
Syphilis (P&S) 7.91 case 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.

Find a clinic near you

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

FAQs

Lake County ranks 38th of 83 Michigan counties for combined STD rate in 2023, at 251.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Lake County, with 29 cases at a rate of 227.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Lake 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.