Groundwork

Health care · County · Ohio

Medical and dental practices in Mercer County, OH

Competitor counts, household spending and official business counts for medical and dental practices in Mercer County, OH, set against other counties and the U.S.

Groundwork market score · out of 100

Score 52 out of 100: Upper middle

Ranked #1,095 of 2,394 scored counties
#59 of 88 scored counties in Ohio

Listings
109
11 chain locations (10%)
Official establishments
44
−2.2% since 2019
Household spending a year
$22.4M
On medical and dental services · $1,364 a household
Spending per listing
$205K
35% above the U.S.
Listings per 10k households
66.4
21% below the U.S.
Population, 2025
42,737
+0.5% since 2020

See the medical and dental practices around any address in Mercer County

The site report maps the medical and dental practices on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Mercer County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

As of September 2026, map listings count 109 medical and dental practices in Mercer County. Of those, 11 are chain locations, or 10%, against 11% across the U.S. That is 66.4 per 10,000 households, 21% below the U.S. rate of 84.5.

Household spending on medical and dental services in Mercer County comes to about $22.4M a year: $1,364 per household, 6% above the U.S. average. That is about $205K of household spending for each practice on map listings, 35% above the U.S. figure of $152K.

In 2023, official counts showed 44 businesses with payroll in Mercer County classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers, down 2.2% from 2019. That is one for every 373 households, against one for every 270 across the U.S. Official counts list 24 one-person businesses without payroll.

Population estimates show Mercer County grew 0.5% from 2020 to 2025, slower than the U.S. (+3.1%). For medical and dental practices, Mercer County has a Groundwork market score of 52 (upper middle): #1,095 of 2,394 scored counties and #59 of 88 scored counties in Ohio.

How Mercer County compares

The same measures for Ohio and the whole U.S. Spending per listing divides a year of household spending on all medical and dental services by the medical and dental practices counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Doctors, dentists and clinics in Mercer County, OH compared with Ohio and the U.S.
MeasureMercer CountyOhioU.S.
Listings per 10k households66.471.384.5
Spending per listing$205K$196K$152K
Households per official establishment373366270
Official establishment growth, 2019–2023−2.2%−5.6%+1.5%
Population growth, 2020–2025+0.5%+0.9%+3.1%
Spending per household on medical and dental services$1,364$1,398$1,288
Median household income$76,782$71,389$80,734
Groundwork market score5275

Official counts and lending

Businesses

Official establishments, 2019 to 2023
45 → 44−2.2% over the period
Employees, 2023
561
Annual payroll, 2023
$40.5M
One-person businesses, 2023
24Businesses with no payroll
Map listings, September 2026
10911 chain locations
Listings at the U.S. rate for this spending
147The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
0
Amount
$0

SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Mercer County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.

Population and households in Mercer County

Population, 2025 estimate
42,737+0.5% since 2020
Households
16,408
Median age
39.9
Homes lived in by their owners
80%
Vehicles per household
2.1
Land area
462 sq. mi.
People per square mile
92
Median household income
$76,782+22.0% vs. 2015–2019, before inflation
Average household income
$91,265
Median home value
$210,600
Jobs located here
19,998
Daytime population
40,314Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Mercer County?

These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the medical and dental practices on map listings by name and distance.

Or open the report at the center of Mercer County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Doctors, dentists and clinics across Ohio

Every Ohio market ranked →

The highest-scoring counties in Ohio for medical and dental practices, numbered among those based in Ohio, with Mercer County marked.

Top counties in Ohio

Counties in Ohio ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Morrow County, OH855540.9$342K+3.7%#39 of 2,394
2Madison County, OH846642.1$354K+7.1%#56 of 2,394
3Perry County, OH814533.5$400K+1.3%#88 of 2,394
4Clermont County, OH8037844.5$338K+3.9%#107 of 2,394
5Brown County, OH795934.4$387K+1.6%#113 of 2,394
6Licking County, OH7733148.2$311K+3.8%#157 of 2,394
7Pickaway County, OH7610949.8$280K+7.4%#182 of 2,394
8Union County, OH7618777.2$219K+16.5%#188 of 2,394
9Paulding County, OH752431.5$429K−0.4%#198 of 2,394
10Noble County, OH741226.0$491K+1.3%#223 of 2,394
59Mercer County, OH5210966.4$205K+0.5%#1,095 of 2,394

Other business types in Mercer County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many medical and dental practices are in Mercer County, OH?

Mercer County has 109 medical and dental practices on map listings as of September 2026. 11 of them (10%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 44 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 2.2% from 2019. Official counts also show 24 one-person businesses without payroll.

How much do households in Mercer County, OH spend on medical and dental services?

About $22.4M a year, or $1,364 per household. That is 6% above the U.S. average (an index of 106, where 100 is the U.S. average). Spread across the 109 medical and dental practices on map listings, it comes to $205K per practice. It is estimated from the incomes of the 16,408 households in Mercer County and national spending patterns by income.

How does Mercer County, OH compare with the U.S. for medical and dental practices?

Mercer County has 66.4 medical and dental practices per 10,000 households, 21% below the U.S. rate of 84.5. Spending per practice is $205K, 35% above the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Mercer County would have about 147, against 109 on map listings. There is one business with payroll in the industry for every 373 households, against one for every 270 across the U.S. The official count fell 2.2% from 2019 to 2023, against +1.5% for the U.S.

How fast is Mercer County, OH growing?

Population estimates put Mercer County at 42,737 people in 2025, up 0.5% since 2020, slower than the U.S. (+3.1%). It has 16,408 households. Median household income in Mercer County is $76,782, 5% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 22.0%, before inflation.

What is the Groundwork market score?

The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Mercer County scores 52 for medical and dental practices (upper middle), #1,095 of 2,394 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Mercer County. It maps the medical and dental practices on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.

How the score works · Top markets for medical and dental practices · All 56 business types in Mercer County

Screening a site or an acquisition in Mercer County?

A site report maps the competitors on map listings near an address and sizes the households and spending around it.

The button opens the report at the center of Mercer County. Signed out, you see a blurred preview; on an account, each report is one action.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are estimates for research only. Not investment or real estate advice.