STD Rates in Prince William County, Virginia

2023 CDC surveillance data for Prince William County, Virginia — chlamydia, gonorrhea, and syphilis rates with state comparisons.

Data Year: 2023 Source: CDC STI Surveillance Population: 489,594
Combined
537
per 100K
48th / 133
Chlamydia
403.6
per 100K • 1,976 cases
US rate: 490.7
46th of 133 in Virginia
Higher than 69% of US counties
Gonorrhea
125.8
per 100K • 616 cases
US rate: 178.2
43rd of 133 in Virginia
Higher than 72% of US counties
Syphilis P&S
7.6
per 100K • 37 cases
US rate: 15.8
46th of 133 in Virginia
Higher than 53% of US counties

Prince William County reported a combined STD rate of 537.0 per 100,000 residents in 2023, placing it 48th of 133 Virginia counties — in the upper half of the state. Reported infections included chlamydia at 403.6 per 100,000 (1,976 cases, 15% below the state rate), gonorrhea at 125.8 per 100,000 (616 cases, 21% below the state rate), syphilis at 7.6 per 100,000 (37 cases, 29% below the state rate). Confidential STD testing is available throughout Prince William County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Prince William County, 2000–2023

Reported cases per 100,000 residents each year, against the Virginia 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
403.6
per 100K in 2023
164.9 in 2000
Peak 545.6 in 2019
Gonorrhea
125.8
per 100K in 2023
68.9 in 2000
Peak 125.8 in 2023
Syphilis (P&S)
7.6
per 100K in 2023
0.7 in 2000
Peak 7.7 in 2020

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

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Prince William County vs Virginia and the US

Infection Prince William County Virginia US vs Virginia vs US Rank in Virginia
Chlamydia 403.61,976 cases 472.8 490.7 14.6% below 17.8% below 46th of 133
Gonorrhea 125.8616 cases 158.3 178.2 20.5% below 29.4% below 43rd of 133
Syphilis (P&S) 7.637 cases 10.7 15.8 29% below 51.9% below 46th of 133

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

Prince William County ranks 48th of 133 Virginia counties for combined STD rate in 2023, at 537.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Prince William County, with 1,976 cases at a rate of 403.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Prince William County and Virginia. 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.