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

Last updated: 10/5/2026

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

Ohio has 2,580 general dental practices for 11,925,796 residents, or 4,622 residents per general practice, less crowded than the US average of 3,858. The most crowded of its larger counties is Cuyahoga County, with 3,356 residents per general practice. Counties with more room and incomes near or above the state median include Pickaway County (6,990), Clermont County (6,153) and Wayne County (5,859).

This page puts the verified numbers for Ohio, 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.

Ohio at a glance

MeasureOhioUS comparison
Residents11,925,796
Population growth1.1%
General dental practices2,580
Residents per general practice4,622US average 3,858
Specialty dental practices1,248
Median household income$72,212
Median age40.7

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

The largest counties in Ohio

CountyResidentsPopulation growthGeneral practicesResidents per general practiceMedian household income
Franklin County1,354,7452.3%3503,871$72,701
Cuyahoga County1,241,591-1.8%3703,356$63,585
Hamilton County838,5660.9%1974,257$70,695
Summit County540,5050.0%1314,126$70,263
Montgomery County539,2780.4%1055,136$64,420
Lucas County427,338-0.9%924,645$60,775
Butler County400,7622.7%934,309$77,930
Stark County375,9350.3%943,999$66,121
Lorain County323,8453.5%674,834$68,944
Warren County257,0506.1%604,284$102,978
Delaware County239,90712.0%673,581$124,319
Lake County233,4910.4%683,434$78,468
Mahoning County226,717-0.8%484,723$56,910
Clermont County215,3593.2%356,153$80,687
Trumbull County201,398-0.3%395,164$56,347

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
Cuyahoga County3,356$63,585
Lake County3,434$78,468
Delaware County3,581$124,319
Erie County3,705$66,879
Medina County3,787$91,625

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 $72,212:

CountyResidents per general practiceMedian household incomePopulation growth
Pickaway County6,990$70,3687.5%
Clermont County6,153$80,6873.2%
Wayne County5,859$71,0030.2%

Growing counties that aren't crowded yet. These counties of 50,000 or more are growing faster than the state (1.1%) and have at least as many residents per practice as the state average:

CountyPopulation growthResidents per general practice
Union County15.7%4,841
Pickaway County7.5%6,990
Fairfield County6.3%4,968
Licking County4.3%5,320
Miami County3.6%5,123

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 Ohio

Metro areaGeneral practicesResidents per general practice
Cleveland, Elyria5743,599
Columbus5254,109
Cincinnati4894,616
Dayton, Kettering1654,934
Akron1624,333
Toledo1334,846
Youngstown, Warren, Boardman1114,833
Canton, Massillon974,123
Springfield226,135
Mansfield215,914
Sandusky203,730
Wooster205,844

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

How to narrow from Ohio 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 Ohio? Dentagraphics counts 2,580 active general dental practices in Ohio, each verified by hand, plus 1,248 specialty practices.

How many residents are there per dentist in Ohio? There are 4,622 residents per general dental practice in Ohio, compared with a US average of 3,858. That makes Ohio less competitive than the country as a whole.

Which Ohio counties are the most crowded with dentists? Among counties with 50,000 or more residents, Cuyahoga County (3,356), Lake County (3,434) and Delaware County (3,581) have the fewest residents per general practice.

Where in Ohio is there room for a new dental practice? On county numbers, Pickaway County (6,990), Clermont County (6,153) and Wayne County (5,859) combine more residents per practice than the state with solid incomes. Check specific sites there before deciding.

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

Where can I get numbers for a specific address in Ohio? 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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