Groundwork

Fitness and classes · County · Illinois

Gyms and studios in Union County, IL

The gyms and studios in Union County, IL, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 53 out of 100: Upper middle

Ranked #885 of 2,088 scored counties
#30 of 81 scored counties in Illinois

Listings
5
2 chain locations (40%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$4.8M
On memberships, classes and admissions · $696 a household
Spending per listing
$956K
44% above the U.S.
Listings per 10k households
7.3
51% below the U.S.
Population, 2025
16,656
−3.7% since 2020

See the gyms and studios around any address in Union County

The site report maps the gyms and studios 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 Union 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

Map listings as of September 2026 show 5 gyms and studios in Union County. Chain locations make up 40% of them, against 20% across the U.S. That comes to 7.3 for every 10,000 households, 51% below the U.S. rate of 14.9.

Households in Union County spend about $4.8M a year on memberships, classes and admissions, or $696 per household, 29% below the U.S. average. That works out to $956K per location, 44% above the U.S. figure of $662K.

There is no official count of businesses with payroll classed as fitness centers and recreation instruction in Union County: counts under 3 aren’t published.

Population estimates put the population change in Union County from 2020 to 2025 at −3.7%, against +3.1% for the U.S. For gyms and studios, Union County has a Groundwork market score of 53 (upper middle): #885 of 2,088 scored counties and #30 of 81 scored counties in Illinois.

How Union 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 and studios 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, studios and classes in Union County, IL compared with Illinois and the U.S.
MeasureUnion CountyIllinoisU.S.
Listings per 10k households7.314.614.9
Spending per listing$956K$720K$662K
Households per official establishmentn/a1,6681,641
Official establishment growth, 2019–2023n/a+3.0%+8.2%
Population growth, 2020–2025−3.7%−0.6%+3.1%
Spending per household on memberships, classes and admissions$696$1,054$983
Median household income$55,728$83,390$80,734
Groundwork market score5351

Official counts and lending

Businesses

Official establishments, 2019 to 2023
n/a
Employees, 2023
n/a
Annual payroll, 2023
n/a
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
52 chain locations
Listings at the U.S. rate for this spending
7The 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 centers and recreation instruction in Union 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 Union County

Population, 2025 estimate
16,656−3.7% since 2020
Households
6,868
Median age
43.9
Homes lived in by their owners
77%
Vehicles per household
1.8
Land area
413 sq. mi.
People per square mile
41
Median household income
$55,728+10.1% vs. 2015–2019, before inflation
Average household income
$75,826
Median home value
$131,700
Jobs located here
5,222
Daytime population
15,422Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Union 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 and studios on map listings by name and distance.

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

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Gyms, studios and classes across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for gyms and studios, numbered among those based in Illinois, with Union County marked.

Top counties in Illinois

Counties in Illinois ranked for gyms and studios by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Boone County, IL77178.7$1.1M+0.4%#102 of 2,088
2Piatt County, IL69913.0$800K+0.6%#285 of 2,088
3Jersey County, IL6856.3$1.5M−1.5%#294 of 2,088
4Mercer County, IL6657.6$1.1M−2.6%#362 of 2,088
5Kendall County, IL667215.9$792K+9.9%#381 of 2,088
6Douglas County, IL64810.3$821K+0.5%#447 of 2,088
7Woodford County, IL632114.3$755K−0.8%#490 of 2,088
8Will County, IL6138815.9$803K+2.2%#554 of 2,088
9Bond County, IL6169.8$802K+0.6%#555 of 2,088
10Ogle County, IL612411.5$787K−0.7%#556 of 2,088
30Union County, IL5357.3$956K−3.7%#885 of 2,088

Other business types in Union County

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

Questions

How many gyms and studios are in Union County, IL?

There are 5 gyms and studios on map listings in Union County as of September 2026. 2 of them (40%) are chain locations. The listings count gyms, fitness studios, martial arts and dance studios. No official count is published for fitness centers and recreation instruction in Union County: counts under 3 are left out.

How much do households in Union County, IL spend on memberships, classes and admissions?

About $4.8M a year, or $696 per household. That is 29% below the U.S. average (an index of 71, where 100 is the U.S. average). Spread across the 5 gyms and studios on map listings, it comes to $956K per location. It is estimated from the incomes of the 6,868 households in Union County and national spending patterns by income.

How does Union County, IL compare with the U.S. for gyms and studios?

Union County has 7.3 gyms and studios per 10,000 households, 51% below the U.S. rate of 14.9. Spending per location is $956K, 44% above the U.S. figure of $662K. At the national ratio of gyms and studios to household spending, Union County would have about 7, against 5 on map listings.

How fast is Union County, IL growing?

Population estimates put Union County at 16,656 people in 2025, down 3.7% since 2020, against +3.1% for the U.S. It has 6,868 households. Median household income in Union County is $55,728, 31% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 10.1%, 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. Union County scores 53 for gyms and studios (upper middle), #885 of 2,088 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Union County. It maps the gyms and studios 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 and studios · All 56 business types in Union County

Screening a site or an acquisition in Union 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 Union 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.