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Starting a Dental Practice in Pennsylvania: Demographics, Competition and Where to Look

Last updated: 10/5/2026

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Starting a dental practice in Pennsylvania: demographics, competition and where to look

Pennsylvania has 3,064 general dental practices for 13,110,331 residents, or 4,279 residents per general practice, less crowded than the US average of 3,858. The most crowded of its larger counties is Bucks County, with 2,684 residents per general practice. Counties with more room and incomes near or above the state median include Pike County (8,975), Adams County (7,743) and York County (5,708).

This page puts the verified numbers for Pennsylvania, its largest counties and its metro areas in one place, then walks through how to narrow from a county to a specific site. Every figure comes from Dentagraphics' hand-verified count of active general dental practices and Census Bureau American Community Survey data, cross-referenced against multiple commercial data sources.

What you won't get from an instant report. An automated report can describe one address. It can't tell you where other dentists are already looking, whether the offices nearby actually exist, or whether a busy market is still open. Dentagraphics can: 118,330 practices verified by hand, 12 years of research from more than 10,000 paid customers, and custom reports with handwritten analysis by a demographer.

Pennsylvania at a glance

MeasurePennsylvaniaUS comparison
Residents13,110,331
Population growth0.8%
General dental practices3,064
Residents per general practice4,279US average 3,858
Specialty dental practices1,675
Median household income$77,545
Median age41.9

Source: Dentagraphics, verified practice counts; Census ACS. See the full Pennsylvania dental demographics page.

The largest counties in Pennsylvania

CountyResidentsPopulation growthGeneral practicesResidents per general practiceMedian household income
Philadelphia County1,567,454-2.3%2835,539$59,956
Allegheny County1,232,501-1.4%3473,552$74,203
Montgomery County881,8943.0%3262,705$107,507
Bucks County652,3010.9%2432,684$107,479
Delaware County585,3931.5%1753,345$89,683
Lancaster County564,9472.2%1095,183$81,874
Chester County561,9375.2%1703,306$117,563
York County473,7443.8%835,708$81,142
Berks County440,3012.7%894,947$73,820
Lehigh County386,2203.1%1033,750$73,660
Westmoreland County352,733-0.5%854,150$71,606
Luzerne County332,5302.1%665,038$62,357
Northampton County324,3113.6%833,907$83,585
Dauphin County293,6672.5%614,814$71,597
Cumberland County277,1536.8%614,543$84,988

Source: Dentagraphics county pages, verified practice counts; Census ACS. US average: 3,858 residents per general practice. County figures come from each county's own page and may cover a different period than the state figures, so compare counties with each other rather than with the state total.

What the numbers show

The most crowded larger counties. Among counties with at least 50,000 residents, these have the fewest residents per general practice:

CountyResidents per general practiceMedian household income
Bucks County2,684$107,479
Montgomery County2,705$107,507
Chester County3,306$117,563
Delaware County3,345$89,683
Butler County3,459$83,838

A crowded county isn't ruled out, especially if incomes are high, but a new office there has to win patients from established ones. Buying an existing practice is often the safer route in these markets.

Counties with room and solid incomes. These counties of 50,000 or more have at least 20% more residents per general practice than the state as a whole, with median household incomes near or above the state's $77,545:

CountyResidents per general practiceMedian household incomePopulation growth
Pike County8,975$78,4347.3%
Adams County7,743$78,9794.4%
York County5,708$81,1423.8%
Monroe County5,388$80,718-0.8%
Lancaster County5,183$81,8742.2%

Growing counties that aren't crowded yet. These counties of 50,000 or more are growing faster than the state (0.8%) and have at least as many residents per practice as the state average:

CountyPopulation growthResidents per general practice
Pike County7.3%8,975
Cumberland County6.8%4,543
Adams County4.4%7,743
York County3.8%5,708

A county average still hides a lot. Two sites a few miles apart can face very different competition, so the next step is always the area around a specific site.

Metro areas in Pennsylvania

Metro areaGeneral practicesResidents per general practice
Philadelphia, Camden, Wilmington1,7023,639
Pittsburgh6063,860
Allentown, Bethlehem, Easton2263,817
Harrisburg, Carlisle1294,615
Scranton, Wilkes, Barre1274,449
Lancaster1095,075
Reading894,812
York, Hanover835,521
Erie574,719
East Stroudsburg315,503
State College315,144
Chambersburg, Waynesboro285,581

Source: Dentagraphics metro pages. Some metros cross state lines, so their totals can include residents and practices outside Pennsylvania.

How to narrow from Pennsylvania to a site

  1. Shortlist two or three counties from the tables above that fit your practice model: income for fee-for-service, volume for insurance-heavy practices, growth if you're starting from scratch.
  2. Compare areas around possible sites, usually within about 5 miles or a 10 to 15 minute drive. Measure every site the same way.
  3. Verify the competition. Online maps include closed offices, duplicates and dentists who moved. Dentagraphics checks every practice by hand and rechecks each one every year.
  4. Check income, age, insurance mix and growth around each site, not just the county.
  5. Get a second opinion before you sign. A custom report from a Dentagraphics demographer is written by hand for your site, practice model and target patients.

See also: residents per general dental practice by state, the 25 largest metros ranked, how to tell if an area has too many dentists and dental practice site selection.

Frequently asked questions

How many dental practices are there in Pennsylvania? Dentagraphics counts 3,064 active general dental practices in Pennsylvania, each verified by hand, plus 1,675 specialty practices.

How many residents are there per dentist in Pennsylvania? There are 4,279 residents per general dental practice in Pennsylvania, compared with a US average of 3,858. That makes Pennsylvania less competitive than the country as a whole.

Which Pennsylvania counties are the most crowded with dentists? Among counties with 50,000 or more residents, Bucks County (2,684), Montgomery County (2,705) and Chester County (3,306) have the fewest residents per general practice.

Where in Pennsylvania is there room for a new dental practice? On county numbers, Pike County (8,975), Adams County (7,743), York County (5,708) and Monroe County (5,388) combine more residents per practice than the state with solid incomes. Check specific sites there before deciding.

Is Pennsylvania a good state to open a dental practice? It depends on where in the state and on your practice model. The spread between Pennsylvania's crowded and open counties is much larger than the difference between Pennsylvania and the US average, so compare counties and specific sites.

Where can I get numbers for a specific address in Pennsylvania? Most counties above link to their free Dentagraphics market page. Members can look up any address, and our demographers write custom reports by hand, tailored to a practice strategy, market and target patients.

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