STD Rates in Logan County, Colorado

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

Data Year: 2023 Source: CDC STI Surveillance Population: 20,619
Combined
281.2
per 100K
36th / 61
Chlamydia
223.1
per 100K • 46 cases
US rate: 490.7
38th of 61 in Colorado
Higher than 35% of US counties
Gonorrhea
53.3
per 100K • 11 cases
Based on 11 cases — interpret with care
US rate: 178.2
Syphilis P&S
4.8
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Logan County recorded a combined STD rate of 281.2 per 100,000 residents in 2023, ranking 36th of 61 counties in Colorado. Reported infections included chlamydia at 223.1 per 100,000 (46 cases, 49% below the state rate), gonorrhea at 53.3 per 100,000 (11 cases, too few for a reliable comparison), syphilis at 4.8 per 100,000 (1 case, too few for a reliable comparison). Confidential STD testing is available throughout Logan County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Logan County, 2000–2023

Reported cases per 100,000 residents each year, against the Colorado 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
223.1
per 100K in 2023
0.0 in 2000
Peak 325.8 in 2021
Gonorrhea
53.3
per 100K in 2023
9.7 in 2000
Peak 172.9 in 2022
Syphilis (P&S)
4.8
per 100K in 2023
0.0 in 2000
Peak 19.2 in 2022

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

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Logan County vs Colorado and the US

Infection Logan County Colorado US vs Colorado vs US Rank in Colorado
Chlamydia 223.146 cases 435.1 490.7 48.7% below 54.5% below 38th of 61
Gonorrhea 53.311 cases 128.7 178.2 Too few cases Too few cases –
Syphilis (P&S) 4.81 case 16 15.8 Too few cases Too few cases –

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

Logan County ranks 36th of 61 Colorado counties for combined STD rate in 2023, at 281.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Logan County, with 46 cases at a rate of 223.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Logan County and Colorado. 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.