STD Rates in Phillips County, Colorado

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

Data Year: 2023 Source: CDC STI Surveillance Population: 4,475
Combined
201.1
per 100K
45th / 61
Chlamydia
201.1
per 100K • 9 cases
Based on 9 cases — interpret with care
US rate: 490.7
Gonorrhea
0.0
No cases reported
Syphilis P&S
0.0
No cases reported

Phillips County recorded a combined STD rate of 201.1 per 100,000 residents in 2023, ranking 45th of 61 counties in Colorado. Reported infections included chlamydia at 201.1 per 100,000 (9 cases, too few for a reliable comparison). No gonorrhea or syphilis cases were reported in Phillips County in 2023. Confidential STD testing is available throughout Phillips County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Phillips 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
201.1
per 100K in 2023
0.0 in 2000
Peak 310.3 in 2021
Gonorrhea
0.0
per 100K in 2023
0.0 in 2000
Peak 70.0 in 2018
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 22.2 in 2021

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

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Phillips County vs Colorado and the US

Infection Phillips County Colorado US vs Colorado vs US Rank in Colorado
Chlamydia 201.19 cases 435.1 490.7 Too few cases Too few cases –
Gonorrhea 00 cases 128.7 178.2 Too few cases Too few cases –
Syphilis (P&S) 00 cases 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

Phillips County ranks 45th of 61 Colorado counties for combined STD rate in 2023, at 201.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Phillips County, with 9 cases at a rate of 201.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Phillips 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.