Groundwork

Fitness and classes · County · Ohio

Gyms in Mercer County, OH

The gyms in Mercer County, OH, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 46 out of 100: Lower middle

Ranked #1,068 of 1,792 scored counties
#59 of 77 scored counties in Ohio

Listings
14
5 chain locations (36%)
Official establishments
4
All fitness and recreational sports centers
Household spending a year
$13.2M
On memberships, classes and admissions · $806 a household
Spending per listing
$945K
27% below the U.S.
Listings per 10k households
8.5
12% above the U.S.
Population, 2025
42,737
+0.5% since 2020

See the gyms around any address in Mercer County

The site report maps the gyms 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.

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

What this means

Household spending on memberships, classes and admissions in Mercer County comes to about $13.2M a year: $806 per household, 18% below the U.S. average. Spread across 14 gyms, that is $945K per gym, 27% below the U.S. figure of $1.3M. The spending figure covers all memberships, classes and admissions, not only gyms.

Mercer County has 14 gyms on map listings as of September 2026. 5 of them (36%) are chain locations, against 28% across the U.S. Per 10,000 households, that is 8.5, 12% above the U.S. rate of 7.6.

The official count of businesses with payroll classed as fitness and recreational sports centers in Mercer County was 4 in 2023. That is one for every 4,102 households, against one for every 3,109 across the U.S. That count covers all fitness and recreational sports centers (yoga, Pilates and fitness studios included), not only gyms. Since fiscal 2022, 2 SBA-backed loans worth $257K have gone to businesses classed as fitness and recreational sports centers in Mercer County.

Population estimates put the population change in Mercer County from 2020 to 2025 at +0.5%, slower than the U.S. (+3.1%). Mercer County scores 46 (lower middle) on the Groundwork market score for gyms, ranking #1,068 of 1,792 scored counties and #59 of 77 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 memberships, classes and admissions by the gyms counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Gyms in Mercer County, OH compared with Ohio and the U.S.
MeasureMercer CountyOhioU.S.
Listings per 10k households8.57.07.6
Spending per listing$945K$1.3M$1.3M
Households per official establishment (all fitness and recreational sports centers)4,1023,7583,109
Official establishment growth, 2019–2023n/a+8.7%+5.8%
Population growth, 2020–2025+0.5%+0.9%+3.1%
Spending per household on memberships, classes and admissions$806$884$983
Median household income$76,782$71,389$80,734
Groundwork market score4651

Official counts and lending

Businesses

Official establishments, 2019 to 2023
4All fitness and recreational sports centers
Employees, 2023
31
Annual payroll, 2023
$412K
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
145 chain locations
Listings at the U.S. rate for this spending
10The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
2
Amount
$257K

SBA-backed loans to businesses classed as fitness and recreational sports 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. These official figures cover all fitness and recreational sports centers, not only gyms.

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 gyms 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.

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The highest-scoring counties in Ohio for gyms, numbered among those based in Ohio, with Mercer County marked.

Top counties in Ohio

Counties in Ohio ranked for gyms by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Warren County, OH87545.9$2.3M+5.7%#24 of 1,792
2Clermont County, OH83465.4$1.9M+3.9%#47 of 1,792
3Greene County, OH79456.6$1.6M+3.7%#81 of 1,792
4Portage County, OH78314.8$1.9M+1.0%#88 of 1,792
5Morrow County, OH7775.2$1.6M+3.7%#103 of 1,792
6Licking County, OH77517.4$1.4M+3.8%#112 of 1,792
7Fairfield County, OH76416.8$1.5M+6.5%#124 of 1,792
8Union County, OH76229.1$1.4M+16.5%#127 of 1,792
9Lorain County, OH75755.9$1.6M+3.1%#135 of 1,792
10Holmes County, OH7286.0$1.6M+1.7%#184 of 1,792
59Mercer County, OH46148.5$945K+0.5%#1,068 of 1,792

Other business types in Mercer County

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

Questions

How many gyms are in Mercer County, OH?

Map listings as of September 2026 show 14 gyms in Mercer County. 5 of them (36%) are chain locations. The listings count gyms and fitness centers. Official counts show 4 businesses with payroll classed as fitness and recreational sports centers in 2023. The official count takes in all fitness and recreational sports centers, not only gyms: yoga, Pilates and fitness studios are counted too.

How much do households in Mercer County, OH spend on memberships, classes and admissions?

About $13.2M a year, or $806 per household. That is 18% below the U.S. average (an index of 82, where 100 is the U.S. average). Spread across the 14 gyms on map listings, it comes to $945K per gym. That spending covers all memberships, classes and admissions, which gyms share with other businesses in the trade. 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 gyms?

Mercer County has 8.5 gyms per 10,000 households, 12% above the U.S. rate of 7.6. Spending per gym is $945K, 27% below the U.S. figure of $1.3M. At the U.S. ratio of gyms to household spending, Mercer County would have about 10, against 14 on map listings. There is one business with payroll in the industry for every 4,102 households, against one for every 3,109 across 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 46 for gyms (lower middle), #1,068 of 1,792 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 gyms 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 gyms · 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.