STD Rates in Washington County, Colorado

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

Data Year: 2023 Source: CDC STI Surveillance Population: 4,854
Combined
247.2
per 100K
40th / 61
Chlamydia
226.6
per 100K • 11 cases
Based on 11 cases — interpret with care
US rate: 490.7
Gonorrhea
20.6
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 178.2
Syphilis P&S
0.0
No cases reported

Washington County recorded a combined STD rate of 247.2 per 100,000 residents in 2023, ranking 40th of 61 counties in Colorado. Reported infections included chlamydia at 226.6 per 100,000 (11 cases, too few for a reliable comparison), gonorrhea at 20.6 per 100,000 (1 case, too few for a reliable comparison). No syphilis cases were reported in Washington County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Washington County.

STD Trends in Washington 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
226.6
per 100K in 2023
0.0 in 2000
Peak 226.6 in 2023
Gonorrhea
20.6
per 100K in 2023
0.0 in 2000
Peak 124.6 in 2020
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 20.8 in 2020

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

Know your status — get tested today

Same-day testing at 4,500+ locations. No appointment needed. Results in 1–3 days.

Washington County vs Colorado and the US

Infection Washington County Colorado US vs Colorado vs US Rank in Colorado
Chlamydia 226.611 cases 435.1 490.7 Too few cases Too few cases –
Gonorrhea 20.61 case 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.

Find a clinic near you

4,500+ testing locations nationwide. 100% confidential. Most insurance accepted.

FAQs

Washington County ranks 40th of 61 Colorado counties for combined STD rate in 2023, at 247.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Washington County, with 11 cases at a rate of 226.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Washington 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.