STD Rates in Mifflin County, Pennsylvania

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

Data Year: 2023 Source: CDC STI Surveillance Population: 45,923
Combined
248.3
per 100K
35th / 67
Chlamydia
233
per 100K • 107 cases
US rate: 490.7
28th of 67 in Pennsylvania
Higher than 38% of US counties
Gonorrhea
13.1
per 100K • 6 cases
Based on 6 cases — interpret with care
US rate: 178.2
Syphilis P&S
2.2
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Mifflin County recorded a combined STD rate of 248.3 per 100,000 residents in 2023, ranking 35th of 67 counties in Pennsylvania. Reported infections included chlamydia at 233.0 per 100,000 (107 cases, 45% below the state rate), gonorrhea at 13.1 per 100,000 (6 cases, too few for a reliable comparison), syphilis at 2.2 per 100,000 (1 case, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Mifflin County has confidential testing locations available.

STD Trends in Mifflin 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
233.0
per 100K in 2023
0.0 in 2000
Peak 412.6 in 2017
Gonorrhea
13.1
per 100K in 2023
0.0 in 2000
Peak 56.1 in 2016
Syphilis (P&S)
2.2
per 100K in 2023
0.0 in 2000
Peak 8.6 in 2016

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

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Mifflin County vs Pennsylvania and the US

Infection Mifflin County Pennsylvania US vs Pennsylvania vs US Rank in Pennsylvania
Chlamydia 233107 cases 421.2 490.7 44.7% below 52.5% below 28th of 67
Gonorrhea 13.16 cases 144.7 178.2 Too few cases Too few cases –
Syphilis (P&S) 2.21 case 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

Mifflin County ranks 35th of 67 Pennsylvania counties for combined STD rate in 2023, at 248.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Mifflin County, with 107 cases at a rate of 233.0 per 100,000 residents.
STDTest.com lists confidential testing locations across Mifflin 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.