STD Rates in Phelps County, Missouri

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

Data Year: 2023 Source: CDC STI Surveillance Population: 45,278
Combined
375.4
per 100K
38th / 115
Chlamydia
282.7
per 100K • 128 cases
US rate: 490.7
44th of 115 in Missouri
Higher than 50% of US counties
Gonorrhea
81.7
per 100K • 37 cases
US rate: 178.2
33rd of 115 in Missouri
Higher than 58% of US counties
Syphilis P&S
11
per 100K • 5 cases
Based on 5 cases — interpret with care
US rate: 15.8

Phelps County reported a combined STD rate of 375.4 per 100,000 residents in 2023, placing it 38th of 115 Missouri counties — in the upper half of the state. Reported infections included chlamydia at 282.7 per 100,000 (128 cases, 43% below the state rate), gonorrhea at 81.7 per 100,000 (37 cases, 60% below the state rate), syphilis at 11.0 per 100,000 (5 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Phelps County has confidential testing locations available.

STD Trends in Phelps 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
282.7
per 100K in 2023
112.8 in 2000
Peak 392.8 in 2018
Gonorrhea
81.7
per 100K in 2023
20.1 in 2000
Peak 155.8 in 2021
Syphilis (P&S)
11.0
per 100K in 2023
0.0 in 2000
Peak 24.3 in 2022

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

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Phelps County vs Missouri and the US

Infection Phelps County Missouri US vs Missouri vs US Rank in Missouri
Chlamydia 282.7128 cases 498.6 490.7 43.3% below 42.4% below 44th of 115
Gonorrhea 81.737 cases 201.9 178.2 59.5% below 54.2% below 33rd of 115
Syphilis (P&S) 115 cases 21.5 15.8 Too few cases Too few cases –

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

Phelps County ranks 38th of 115 Missouri counties for combined STD rate in 2023, at 375.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Phelps County, with 128 cases at a rate of 282.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Phelps 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.