STD Rates in Clay County, Missouri

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

Data Year: 2023 Source: CDC STI Surveillance Population: 259,758
Combined
587.1
per 100K
17th / 115
Chlamydia
438.1
per 100K • 1,138 cases
US rate: 490.7
18th of 115 in Missouri
Higher than 72% of US counties
Gonorrhea
135.9
per 100K • 353 cases
US rate: 178.2
15th of 115 in Missouri
Higher than 74% of US counties
Syphilis P&S
13.1
per 100K • 34 cases
US rate: 15.8
39th of 115 in Missouri
Higher than 69% of US counties

Clay County has one of the higher STD burdens in Missouri, with a combined rate of 587.1 per 100,000 residents in 2023 — ranking 17th of 115 counties. Reported infections included chlamydia at 438.1 per 100,000 (1,138 cases, 12% below the state rate), gonorrhea at 135.9 per 100,000 (353 cases, 33% below the state rate), syphilis at 13.1 per 100,000 (34 cases, 39% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Clay County has confidential testing locations available.

STD Trends in Clay County, 2000–2023

Reported cases per 100,000 residents each year, against the Missouri 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
438.1
per 100K in 2023
109.9 in 2000
Peak 479.4 in 2018
Gonorrhea
135.9
per 100K in 2023
39.0 in 2000
Peak 193.6 in 2018
Syphilis (P&S)
13.1
per 100K in 2023
0.0 in 2000
Peak 16.7 in 2022

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

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Clay County vs Missouri and the US

Infection Clay County Missouri US vs Missouri vs US Rank in Missouri
Chlamydia 438.11,138 cases 498.6 490.7 12.1% below 10.7% below 18th of 115
Gonorrhea 135.9353 cases 201.9 178.2 32.7% below 23.7% below 15th of 115
Syphilis (P&S) 13.134 cases 21.5 15.8 39.1% below 17.1% below 39th of 115

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

Clay County ranks 17th of 115 Missouri counties for combined STD rate in 2023, at 587.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Clay County, with 1,138 cases at a rate of 438.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Clay County and Missouri. 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.