Groundwork

Fitness and classes · County · Illinois

Gyms in Lake County, IL

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

Groundwork market score · out of 100

Score 52 out of 100: Upper middle

Ranked #828 of 1,792 scored counties
#23 of 68 scored counties in Illinois

Listings
276
80 chain locations (29%)
Official establishments
141
All fitness and recreational sports centers · −2.1% since 2019
Household spending a year
$360.8M
On memberships, classes and admissions · $1,396 a household
Spending per listing
$1.3M
In line with the U.S.
Listings per 10k households
10.7
41% above the U.S.
Population, 2025
719,339
+0.8% since 2020

See the gyms around any address in Lake 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 Lake 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 Lake County comes to about $360.8M a year: $1,396 per household, 42% above the U.S. average. That is about $1.3M of household spending for each gym on map listings, in line with the U.S. figure of $1.3M. The spending figure covers all memberships, classes and admissions, not only gyms.

There are 276 gyms on map listings in Lake County as of September 2026. Of those, 80 are chain locations, or 29%, against 28% across the U.S. That comes to 10.7 for every 10,000 households, 41% above the U.S. rate of 7.6.

In 2023, official counts showed 141 businesses with payroll in Lake County classed as fitness and recreational sports centers, down 2.1% from 2019. That is one for every 1,833 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, 22 SBA-backed loans worth $11.9M have gone to businesses classed as fitness and recreational sports centers in Lake County.

Population estimates show Lake County grew 0.8% from 2020 to 2025, slower than the U.S. (+3.1%). Lake County scores 52 (upper middle) on the Groundwork market score for gyms, ranking #828 of 1,792 scored counties and #23 of 68 scored counties in Illinois.

How Lake 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.

Gyms in Lake County, IL compared with Illinois and the U.S.
MeasureLake CountyIllinoisU.S.
Listings per 10k households10.77.77.6
Spending per listing$1.3M$1.4M$1.3M
Households per official establishment (all fitness and recreational sports centers)1,8333,1073,109
Official establishment growth, 2019–2023−2.1%+2.9%+5.8%
Population growth, 2020–2025+0.8%−0.6%+3.1%
Spending per household on memberships, classes and admissions$1,396$1,054$983
Median household income$110,416$83,390$80,734
Groundwork market score5250

Official counts and lending

Businesses

Official establishments, 2019 to 2023
144 → 141All fitness and recreational sports centers · −2.1% over the period
Employees, 2023
2,536
Annual payroll, 2023
$63.3M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
27680 chain locations
Listings at the U.S. rate for this spending
277The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
22
Amount
$11.9M

SBA-backed loans to businesses classed as fitness and recreational sports centers in Lake 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 Lake County

Population, 2025 estimate
719,339+0.8% since 2020
Households
258,455
Median age
40.0
Homes lived in by their owners
75%
Vehicles per household
1.9
Land area
444 sq. mi.
People per square mile
1,610
Median household income
$110,416+23.5% vs. 2015–2019, before inflation
Average household income
$155,726
Median home value
$345,700
Jobs located here
328,525
Daytime population
712,545Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Lake 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 Lake 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 Illinois for gyms, numbered among those based in Illinois, with Lake County marked.

Top counties in Illinois

Counties in Illinois ranked for gyms by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Boone County, IL71105.1$1.9M+0.4%#198 of 1,792
2Piatt County, IL6957.2$1.4M+0.6%#254 of 1,792
3Clinton County, IL66106.9$1.4M+0.6%#321 of 1,792
4Kendall County, IL66429.3$1.4M+9.9%#323 of 1,792
5Will County, IL652028.3$1.5M+2.2%#356 of 1,792
6Kankakee County, IL63215.1$1.7M−1.7%#415 of 1,792
7Kane County, IL621709.2$1.3M+1.8%#456 of 1,792
8Cook County, IL611,4586.9$1.6M−1.3%#482 of 1,792
9McHenry County, IL611139.6$1.3M+2.5%#497 of 1,792
10Monroe County, IL59107.2$1.7M−0.3%#547 of 1,792
23Lake County, IL5227610.7$1.3M+0.8%#828 of 1,792

Other business types in Lake County

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

Questions

How many gyms are in Lake County, IL?

As of September 2026, map listings count 276 gyms in Lake County. 80 of them (29%) are chain locations. The listings count gyms and fitness centers. Official counts show 141 businesses with payroll classed as fitness and recreational sports centers in 2023, down 2.1% from 2019. 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 Lake County, IL spend on memberships, classes and admissions?

About $360.8M a year, or $1,396 per household. That is 42% above the U.S. average (an index of 142, where 100 is the U.S. average). Spread across the 276 gyms on map listings, it comes to $1.3M 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 258,455 households in Lake County and national spending patterns by income.

How does Lake County, IL compare with the U.S. for gyms?

Lake County has 10.7 gyms per 10,000 households, 41% above the U.S. rate of 7.6. Spending per gym is $1.3M, in line with the U.S. figure of $1.3M. At the U.S. ratio of gyms to household spending, Lake County would have about 277, against 276 on map listings. There is one business with payroll in the industry for every 1,833 households, against one for every 3,109 across the U.S. The official count fell 2.1% from 2019 to 2023, against +5.8% for the U.S.

How fast is Lake County, IL growing?

Population estimates put Lake County at 719,339 people in 2025, up 0.8% since 2020, slower than the U.S. (+3.1%). It has 258,455 households. Median household income in Lake County is $110,416, 37% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 23.5%, 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. Lake County scores 52 for gyms (upper middle), #828 of 1,792 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Lake 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 Lake County

Screening a site or an acquisition in Lake 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 Lake 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.