STD Rates in Montgomery County, Pennsylvania

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

Data Year: 2023 Source: CDC STI Surveillance Population: 868,910
Combined
336.4
per 100K
19th / 67
Chlamydia
258.6
per 100K • 2,247 cases
US rate: 490.7
23rd of 67 in Pennsylvania
Higher than 45% of US counties
Gonorrhea
72.2
per 100K • 627 cases
US rate: 178.2
16th of 67 in Pennsylvania
Higher than 54% of US counties
Syphilis P&S
5.6
per 100K • 49 cases
US rate: 15.8
17th of 67 in Pennsylvania
Higher than 45% of US counties

Montgomery County reported a combined STD rate of 336.4 per 100,000 residents in 2023, placing it 19th of 67 Pennsylvania counties — in the upper half of the state. Reported infections included chlamydia at 258.6 per 100,000 (2,247 cases, 39% below the state rate), gonorrhea at 72.2 per 100,000 (627 cases, 50% below the state rate), syphilis at 5.6 per 100,000 (49 cases, 38% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Montgomery County.

STD Trends in Montgomery County, 2000–2023

Reported cases per 100,000 residents each year, against the Pennsylvania 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
258.6
per 100K in 2023
0.0 in 2000
Peak 303.9 in 2016
Gonorrhea
72.2
per 100K in 2023
0.0 in 2000
Peak 82.9 in 2022
Syphilis (P&S)
5.6
per 100K in 2023
0.4 in 2000
Peak 5.8 in 2019

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.

Montgomery County vs Pennsylvania and the US

Infection Montgomery County Pennsylvania US vs Pennsylvania vs US Rank in Pennsylvania
Chlamydia 258.62,247 cases 421.2 490.7 38.6% below 47.3% below 23rd of 67
Gonorrhea 72.2627 cases 144.7 178.2 50.1% below 59.5% below 16th of 67
Syphilis (P&S) 5.649 cases 9.1 15.8 38.5% below 64.6% below 17th of 67

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

Montgomery County ranks 19th of 67 Pennsylvania counties for combined STD rate in 2023, at 336.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Montgomery County, with 2,247 cases at a rate of 258.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Montgomery County and Pennsylvania. 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.