Fitness and classes · County · Illinois
Gyms in Clay County, IL
Competitor counts, household spending and official business counts for gyms in Clay County, IL, set against other counties and the U.S.
Groundwork market score
Not scored
The score needs at least 5 listings; this market has 4.
- Listings
- 4
- 1 chain location (25%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $3.8M
- On memberships, classes and admissions · $708 a household
- Spending per listing
- $940K
- 28% below the U.S.
- Listings per 10k households
- 7.5
- In line with the U.S.
- Population, 2025
- 12,793
- −3.6% since 2020
See the gyms around any address in Clay 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 Clay 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 4 gyms in Clay County. Per 10,000 households, that is 7.5, in line with the U.S. rate of 7.6.
At $708 per household (28% below the U.S. average), households in Clay County spend about $3.8M a year on memberships, classes and admissions. Spread across 4 gyms, that is $940K per gym, 28% 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 Clay County: counts under 3 aren’t published.
Population estimates show Clay County declined 3.6% from 2020 to 2025, against +3.1% for the U.S. With 4 gyms on map listings, Clay County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
How Clay 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 | Clay County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 7.5 | 7.7 | 7.6 |
| Spending per listing | $940K | $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 | −3.6% | −0.6% | +3.1% |
| Spending per household on memberships, classes and admissions | $708 | $1,054 | $983 |
| Median household income | $60,417 | $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
- 41 chain location
- 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 Clay 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 Clay County
- Population, 2025 estimate
- 12,793−3.6% since 2020
- Households
- 5,311
- Median age
- 41.5
- Homes lived in by their owners
- 79%
- Vehicles per household
- 2.0
- Land area
- 468 sq. mi.
- People per square mile
- 28
- Median household income
- $60,417+24.6% vs. 2015–2019, before inflation
- Average household income
- $78,530
- Median home value
- $97,400
- Jobs located here
- 4,511
- Daytime population
- 12,012Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Clay 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 Clay 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 Clay 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 |
| Clay County, IL | Not scored | 4 | 7.5 | $940K | −3.6% |
Other business types in Clay 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 Clay County, IL?
Clay County has 4 gyms on map listings as of September 2026. The listings count gyms and fitness centers. No official count is published for fitness and recreational sports centers in Clay County: counts under 3 are left out.
How much do households in Clay County, IL spend on memberships, classes and admissions?
About $3.8M 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 4 gyms on map listings, it comes to $940K per gym. The spending figure covers all memberships, classes and admissions, not only gyms. It is estimated from the incomes of the 5,311 households in Clay County and national spending patterns by income.
How does Clay County, IL compare with the U.S. for gyms?
Clay County has 7.5 gyms per 10,000 households, in line with the U.S. rate of 7.6. Spending per gym is $940K, 28% below the U.S. figure of $1.3M. At the national ratio of gyms to household spending, Clay County would have about 3, against 4 on map listings.
How fast is Clay County, IL growing?
Population estimates put Clay County at 12,793 people in 2025, down 3.6% since 2020, against +3.1% for the U.S. It has 5,311 households. The median household income in Clay County is $60,417 a year, 25% below the U.S. median of $80,734. That rose 24.6% 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. Clay County has no market score for gyms: the score needs at least 5 on map listings, and it has 4.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Clay 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 Clay County
Screening a site or an acquisition in Clay 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 Clay 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.