STD Rates in Centre County, Pennsylvania

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

Data Year: 2023 Source: CDC STI Surveillance Population: 157,818
Combined
387.1
per 100K
17th / 67
Chlamydia
340.9
per 100K • 538 cases
US rate: 490.7
12th of 67 in Pennsylvania
Higher than 60% of US counties
Gonorrhea
43.7
per 100K • 69 cases
US rate: 178.2
30th of 67 in Pennsylvania
Higher than 36% of US counties
Syphilis P&S
2.5
per 100K • 4 cases
Based on 4 cases — interpret with care
US rate: 15.8

Centre County reported a combined STD rate of 387.1 per 100,000 residents in 2023, placing it 17th of 67 Pennsylvania counties — in the upper half of the state. Reported infections included chlamydia at 340.9 per 100,000 (538 cases, 19% below the state rate), gonorrhea at 43.7 per 100,000 (69 cases, 70% below the state rate), syphilis at 2.5 per 100,000 (4 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Centre County has confidential testing locations available.

STD Trends in Centre 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
340.9
per 100K in 2023
0.0 in 2000
Peak 499.0 in 2017
Gonorrhea
43.7
per 100K in 2023
0.0 in 2000
Peak 69.5 in 2013
Syphilis (P&S)
2.5
per 100K in 2023
0.0 in 2000
Peak 8.2 in 2022

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

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Centre County vs Pennsylvania and the US

Infection Centre County Pennsylvania US vs Pennsylvania vs US Rank in Pennsylvania
Chlamydia 340.9538 cases 421.2 490.7 19.1% below 30.5% below 12th of 67
Gonorrhea 43.769 cases 144.7 178.2 69.8% below 75.5% below 30th of 67
Syphilis (P&S) 2.54 cases 9.1 15.8 Too few cases Too few cases –

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.

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FAQs

Centre County ranks 17th of 67 Pennsylvania counties for combined STD rate in 2023, at 387.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Centre County, with 538 cases at a rate of 340.9 per 100,000 residents.
STDTest.com lists confidential testing locations across Centre 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.