STD Rates in Johnson County, Kentucky

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

Data Year: 2023 Source: CDC STI Surveillance Population: 22,121
Combined
217
per 100K
88th / 120
Chlamydia
176.3
per 100K • 39 cases
US rate: 490.7
85th of 120 in Kentucky
Higher than 22% of US counties
Gonorrhea
40.7
per 100K • 9 cases
Based on 9 cases — interpret with care
US rate: 178.2
Syphilis P&S
0.0
No cases reported

Johnson County recorded a combined STD rate of 217.0 per 100,000 residents in 2023, ranking 88th of 120 counties in Kentucky. Reported infections included chlamydia at 176.3 per 100,000 (39 cases, 54% below the state rate), gonorrhea at 40.7 per 100,000 (9 cases, too few for a reliable comparison). No syphilis cases were reported in Johnson County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Johnson County.

STD Trends in Johnson County, 2000–2023

Reported cases per 100,000 residents each year, against the Kentucky 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
176.3
per 100K in 2023
119.9 in 2000
Peak 251.3 in 2020
Gonorrhea
40.7
per 100K in 2023
12.8 in 2000
Peak 52.9 in 2020
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 4.5 in 2022

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

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Johnson County vs Kentucky and the US

Infection Johnson County Kentucky US vs Kentucky vs US Rank in Kentucky
Chlamydia 176.339 cases 381.9 490.7 53.8% below 64.1% below 85th of 120
Gonorrhea 40.79 cases 134.4 178.2 Too few cases Too few cases –
Syphilis (P&S) 00 cases 14.1 15.8 Too few cases Too few cases –

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

Johnson County ranks 88th of 120 Kentucky counties for combined STD rate in 2023, at 217.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Johnson County, with 39 cases at a rate of 176.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Johnson County and Kentucky. 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.