STD Rates in Jefferson County, Missouri

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 231,190
Combined
322.2
per 100K
51st / 115
Chlamydia
237.9
per 100K • 550 cases
Gonorrhea
73.1
per 100K • 169 cases
Syphilis P&S
11.2
per 100K • 26 cases

Jefferson County reported a combined STD rate of 322.2 per 100,000 residents in 2023, placing it 51st of 115 Missouri counties — in the upper half of the state. Reported infections included chlamydia at 237.9 per 100,000 (550 cases, 52% below the state rate), gonorrhea at 73.1 per 100,000 (169 cases, 64% below the state rate), syphilis at 11.2 per 100,000 (26 cases, 48% below the state rate). Confidential STD testing is available throughout Jefferson County — knowing your status is the only way to catch infections that often show no symptoms.

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Jefferson County County vs Missouri Average

Infection Jefferson County County Missouri Rate Difference
Chlamydia 237.9 498.6 52% below
Gonorrhea 73.1 201.9 64% below
Syphilis (P&S) 11.2 21.5 48% below

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Other Counties in Missouri

Adair County → Andrew County → Atchison County → Audrain County → Barry County → Barton County → Bates County → Benton County → Bollinger County → Boone County → Buchanan County → Butler County → Caldwell County → Callaway County → Camden County → Cape Girardeau County → Carroll County → Carter County → Cass County → Cedar County → Chariton County → Christian County → Clark County → Clay County → Clinton County → Cole County → Cooper County → Crawford County → Dade County → Dallas County → Daviess County → Dekalb County → Dent County → Douglas County → Dunklin County → Franklin County → Gasconade County → Gentry County → Greene County → Grundy County → Harrison County → Henry County → Hickory County → Holt County → Howard County → Howell County → Iron County → Jackson County → Jasper County → Johnson County → Knox County → Laclede County → Lafayette County → Lawrence County → Lewis County → Lincoln County → Linn County → Livingston County → Macon County → Madison County → Maries County → Marion County → Mcdonald County → Mercer County → Miller County → Mississippi County → Moniteau County → Monroe County → Montgomery County → Morgan County → New Madrid County → Newton County → Nodaway County → Oregon County → Osage County → Ozark County → Pemiscot County → Perry County → Pettis County → Phelps County → Pike County → Platte County → Polk County → Pulaski County → Putnam County → Ralls County → Randolph County → Ray County → Reynolds County → Ripley County → Saline County → Schuyler County → Scotland County → Scott County → Shannon County → Shelby County → St. Charles County → St. Clair County → St. Francois County → St. Louis City → St. Louis County → Ste. Genevieve County → Stoddard County → Stone County → Sullivan County → Taney County → Texas County → Vernon County → Warren County → Washington County → Wayne County → Webster County → Worth County → Wright County →

STD Testing Locations in Jefferson County, Missouri

FAQs

Jefferson County ranks 51st of 115 Missouri counties for combined STD rate in 2023, at 322.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Jefferson County, with 550 cases at a rate of 237.9 per 100,000 residents.
STDTest.com lists confidential testing locations across Jefferson County and Missouri. Many offer same-day appointments with results in 1u20133 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
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.
Sources