STD Rates in Linn County, Missouri

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

Data Year: 2023 Source: CDC STI Surveillance Population: 11,791
Combined
245.9
per 100K
72nd / 115
Chlamydia
220.5
per 100K • 26 cases
US rate: 490.7
60th of 115 in Missouri
Higher than 35% of US counties
Gonorrhea
25.4
per 100K • 3 cases
Based on 3 cases — interpret with care
US rate: 178.2
Syphilis P&S
0.0
No cases reported

Linn County recorded a combined STD rate of 245.9 per 100,000 residents in 2023, ranking 72nd of 115 counties in Missouri. Reported infections included chlamydia at 220.5 per 100,000 (26 cases, 56% below the state rate), gonorrhea at 25.4 per 100,000 (3 cases, too few for a reliable comparison). No syphilis cases were reported in Linn County in 2023. Confidential STD testing is available throughout Linn County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Linn 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
220.5
per 100K in 2023
94.9 in 2000
Peak 411.1 in 2019
Gonorrhea
25.4
per 100K in 2023
14.6 in 2000
Peak 109.1 in 2019
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 8.4 in 2021

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

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Linn County vs Missouri and the US

Infection Linn County Missouri US vs Missouri vs US Rank in Missouri
Chlamydia 220.526 cases 498.6 490.7 55.8% below 55.1% below 60th of 115
Gonorrhea 25.43 cases 201.9 178.2 Too few cases Too few cases –
Syphilis (P&S) 00 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

Linn County ranks 72nd of 115 Missouri counties for combined STD rate in 2023, at 245.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Linn County, with 26 cases at a rate of 220.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Linn 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.