Fitness and classes · County · Illinois
Gyms in Mason County, IL
The gyms in Mason County, IL, the household spending behind them and how the market ranks against other counties.
Groundwork market score
Not scored
The score needs at least 5 listings; this market has 2.
- Listings
- 2
- 0 chain locations (0%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $4.1M
- On memberships, classes and admissions · $708 a household
- Spending per listing
- $2M
- Too few listings to compare
- Listings per 10k households
- 3.5
- Too few listings to compare
- Population, 2025
- 12,411
- −4.9% since 2020
See the gyms around any address in Mason 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 Mason 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
Household spending on memberships, classes and admissions in Mason County comes to about $4.1M a year: $708 per household, 28% below the U.S. average. Spread across 2 gyms, that is $2M per gym. The spending figure covers all memberships, classes and admissions, not only gyms.
Mason County has 2 gyms on map listings as of September 2026. That is 3.5 per 10,000 households.
Official counts don’t publish a figure for fitness and recreational sports centers in Mason County, since they leave out counts under 3.
Population estimates put the population change in Mason County from 2020 to 2025 at −4.9%, against +3.1% for the U.S. With 2 gyms on map listings, Mason County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
How Mason County compares
The same measures for Illinois 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 | Mason County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 3.5 | 7.7 | 7.6 |
| Spending per listing | $2M | $1.4M | $1.3M |
| Households per official establishment (all fitness and recreational sports centers) | n/a | 3,107 | 3,109 |
| Official establishment growth, 2019–2023 | n/a | +2.9% | +5.8% |
| Population growth, 2020–2025 | −4.9% | −0.6% | +3.1% |
| Spending per household on memberships, classes and admissions | $708 | $1,054 | $983 |
| Median household income | $62,845 | $83,390 | $80,734 |
| Groundwork market score | Not scored | 50 |
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
- 20 chain locations
- Listings at the U.S. rate for this spending
- 3The 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 Mason 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 Mason County
- Population, 2025 estimate
- 12,411−4.9% since 2020
- Households
- 5,781
- Median age
- 44.9
- Homes lived in by their owners
- 82%
- Vehicles per household
- 2.0
- Land area
- 539 sq. mi.
- People per square mile
- 24
- Median household income
- $62,845+29.8% vs. 2015–2019, before inflation
- Average household income
- $78,083
- Median home value
- $103,400
- Jobs located here
- 2,660
- Daytime population
- 11,149Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Mason 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 Mason County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardGyms across Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for gyms, numbered among those based in Illinois, with Mason County marked.
Top counties in Illinois
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Boone County, IL | 71 | 10 | 5.1 | $1.9M | +0.4% | #198 of 1,792 |
| 2Piatt County, IL | 69 | 5 | 7.2 | $1.4M | +0.6% | #254 of 1,792 |
| 3Clinton County, IL | 66 | 10 | 6.9 | $1.4M | +0.6% | #321 of 1,792 |
| 4Kendall County, IL | 66 | 42 | 9.3 | $1.4M | +9.9% | #323 of 1,792 |
| 5Will County, IL | 65 | 202 | 8.3 | $1.5M | +2.2% | #356 of 1,792 |
| 6Kankakee County, IL | 63 | 21 | 5.1 | $1.7M | −1.7% | #415 of 1,792 |
| 7Kane County, IL | 62 | 170 | 9.2 | $1.3M | +1.8% | #456 of 1,792 |
| 8Cook County, IL | 61 | 1,458 | 6.9 | $1.6M | −1.3% | #482 of 1,792 |
| 9McHenry County, IL | 61 | 113 | 9.6 | $1.3M | +2.5% | #497 of 1,792 |
| 10Monroe County, IL | 59 | 10 | 7.2 | $1.7M | −0.3% | #547 of 1,792 |
| Mason County, IL | Not scored | 2 | 3.5 | $2M | −4.9% |
Other business types in Mason 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 Mason County, IL?
Map listings as of September 2026 show 2 gyms in Mason County. The listings count gyms and fitness centers. No official count is published for fitness and recreational sports centers in Mason County: counts under 3 are left out.
How much do households in Mason County, IL spend on memberships, classes and admissions?
About $4.1M a year, or $708 per household. That is 28% below the U.S. average (an index of 72, where 100 is the U.S. average). Spread across the 2 gyms on map listings, it comes to $2M 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 5,781 households in Mason County and national spending patterns by income.
How does Mason County, IL compare with the U.S. for gyms?
Mason County has 2 gyms on map listings, too few for a steady comparison with the U.S. rate. At the U.S. ratio of gyms to household spending, Mason County would have about 3, against 2 on map listings.
How fast is Mason County, IL growing?
Population estimates put Mason County at 12,411 people in 2025, down 4.9% since 2020, against +3.1% for the U.S. It has 5,781 households. Median household income in Mason County is $62,845, 22% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.8%, 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. Mason County has no market score for gyms: the score needs at least 5 on map listings, and it has 2.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Mason 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 Mason County
Screening a site or an acquisition in Mason 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 Mason 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.