Fitness and classes · County · Ohio
Gyms in Knox County, OH
How Knox County, OH compares with other counties and the U.S. for gyms: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 43 out of 100: Lower middle
Ranked #1,172 of 1,792 scored counties
#64 of 77 scored counties in Ohio
- Listings
- 23
- 5 chain locations (22%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $20.1M
- On memberships, classes and admissions · $857 a household
- Spending per listing
- $875K
- 33% below the U.S.
- Listings per 10k households
- 9.8
- 29% above the U.S.
- Population, 2025
- 64,002
- +1.9% since 2020
See the gyms around any address in Knox 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 Knox County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey 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 23 gyms in Knox County. Chain locations make up 22% of them, against 28% across the U.S. Per 10,000 households, that is 9.8, 29% above the U.S. rate of 7.6.
Household spending on memberships, classes and admissions in Knox County comes to about $20.1M a year: $857 per household, 13% below the U.S. average. That is about $875K of household spending for each gym on map listings, 33% below the U.S. figure of $1.3M. That spending covers all memberships, classes and admissions, which gyms share with other businesses in the trade.
There is no official count of businesses with payroll classed as fitness and recreational sports centers in Knox County: counts under 3 aren’t published.
Between 2020 and 2025, the population of Knox County grew 1.9%, slower than the U.S. (+3.1%). The Groundwork market score for gyms in Knox County is 43 (lower middle), #1,172 of 1,792 scored counties and #64 of 77 scored counties in Ohio.
How Knox 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.
| Measure | Knox County | Ohio | U.S. |
|---|---|---|---|
| Listings per 10k households | 9.8 | 7.0 | 7.6 |
| Spending per listing | $875K | $1.3M | $1.3M |
| Households per official establishment (all fitness and recreational sports centers) | n/a | 3,758 | 3,109 |
| Official establishment growth, 2019–2023 | n/a | +8.7% | +5.8% |
| Population growth, 2020–2025 | +1.9% | +0.9% | +3.1% |
| Spending per household on memberships, classes and admissions | $857 | $884 | $983 |
| Median household income | $73,878 | $71,389 | $80,734 |
| Groundwork market score | 43 | 51 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/aAll fitness and recreational sports centers
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 235 chain locations
- Listings at the U.S. rate for this spending
- 16The 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 fitness and recreational sports centers in Knox 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 Knox County
- Population, 2025 estimate
- 64,002+1.9% since 2020
- Households
- 23,491
- Median age
- 40.6
- Homes lived in by their owners
- 76%
- Vehicles per household
- 2.0
- Land area
- 526 sq. mi.
- People per square mile
- 120
- Median household income
- $73,878+27.9% vs. 2015–2019, before inflation
- Average household income
- $92,322
- Median home value
- $239,400
- Jobs located here
- 19,622
- Daytime population
- 59,569Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Knox 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 Knox County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardGyms across Ohio
Every Ohio market ranked →The highest-scoring counties in Ohio for gyms, numbered among those based in Ohio, with Knox County marked.
Top counties in Ohio
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Warren County, OH | 87 | 54 | 5.9 | $2.3M | +5.7% | #24 of 1,792 |
| 2Clermont County, OH | 83 | 46 | 5.4 | $1.9M | +3.9% | #47 of 1,792 |
| 3Greene County, OH | 79 | 45 | 6.6 | $1.6M | +3.7% | #81 of 1,792 |
| 4Portage County, OH | 78 | 31 | 4.8 | $1.9M | +1.0% | #88 of 1,792 |
| 5Morrow County, OH | 77 | 7 | 5.2 | $1.6M | +3.7% | #103 of 1,792 |
| 6Licking County, OH | 77 | 51 | 7.4 | $1.4M | +3.8% | #112 of 1,792 |
| 7Fairfield County, OH | 76 | 41 | 6.8 | $1.5M | +6.5% | #124 of 1,792 |
| 8Union County, OH | 76 | 22 | 9.1 | $1.4M | +16.5% | #127 of 1,792 |
| 9Lorain County, OH | 75 | 75 | 5.9 | $1.6M | +3.1% | #135 of 1,792 |
| 10Holmes County, OH | 72 | 8 | 6.0 | $1.6M | +1.7% | #184 of 1,792 |
| 64Knox County, OH | 43 | 23 | 9.8 | $875K | +1.9% | #1,172 of 1,792 |
Other business types in Knox County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many gyms are in Knox County, OH?
Knox County has 23 gyms on map listings as of September 2026. 5 of them (22%) are chain locations. The listings count gyms and fitness centers. No official count is published for fitness and recreational sports centers in Knox County: counts under 3 are left out.
How much do households in Knox County, OH spend on memberships, classes and admissions?
About $20.1M a year, or $857 per household. That is 13% below the U.S. average (an index of 87, where 100 is the U.S. average). Spread across the 23 gyms on map listings, it comes to $875K per gym. The spending figure covers all memberships, classes and admissions, not only gyms. It is estimated from the incomes of the 23,491 households in Knox County and national spending patterns by income.
How does Knox County, OH compare with the U.S. for gyms?
Knox County has 9.8 gyms per 10,000 households, 29% above the U.S. rate of 7.6. Spending per gym is $875K, 33% below the U.S. figure of $1.3M. At the national ratio of gyms to household spending, Knox County would have about 16, against 23 on map listings.
How fast is Knox County, OH growing?
Population estimates put Knox County at 64,002 people in 2025, up 1.9% since 2020, slower than the U.S. (+3.1%). It has 23,491 households. The median household income in Knox County is $73,878 a year, 8% below the U.S. median of $80,734. That rose 27.9% from the 2015–2019 survey, 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. Knox County scores 43 for gyms (lower middle), #1,172 of 1,792 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Knox 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 Knox County
Screening a site or an acquisition in Knox 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 Knox 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.