Groundwork

Fitness and classes · County · Indiana

Gyms in Hamilton County, IN

How Hamilton County, IN compares with other counties and the U.S. for gyms: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 65 out of 100: Upper middle

Ranked #361 of 1,792 scored counties
#18 of 63 scored counties in Indiana

Listings
141
53 chain locations (38%)
Official establishments
99
All fitness and recreational sports centers · +16.5% since 2019
Household spending a year
$201.4M
On memberships, classes and admissions · $1,467 a household
Spending per listing
$1.4M
10% above the U.S.
Listings per 10k households
10.3
36% above the U.S.
Population, 2025
387,036
+10.9% since 2020

See the gyms around any address in Hamilton 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 Hamilton County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

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 141 gyms in Hamilton County. Of those, 53 are chain locations, or 38%, against 28% across the U.S. Per 10,000 households, that is 10.3, 36% above the U.S. rate of 7.6.

Household spending on memberships, classes and admissions in Hamilton County comes to about $201.4M a year: $1,467 per household, 49% above the U.S. average. Spread across 141 gyms, that is $1.4M per gym, 10% above the U.S. figure of $1.3M. That spending covers all memberships, classes and admissions, which gyms share with other businesses in the trade.

The official count of businesses with payroll classed as fitness and recreational sports centers in Hamilton County was 99 in 2023, up 16.5% from 2019. That is one for every 1,386 households, against one for every 3,109 across the U.S. The official count takes in all fitness and recreational sports centers, not only gyms: yoga, Pilates and fitness studios are counted too. Since fiscal 2022, 26 SBA-backed loans worth $12.1M have gone to businesses classed as fitness and recreational sports centers in Hamilton County.

Population estimates show Hamilton County grew 10.9% from 2020 to 2025, faster than the U.S. (+3.1%). For gyms, Hamilton County has a Groundwork market score of 65 (upper middle): #361 of 1,792 scored counties and #18 of 63 scored counties in Indiana. That puts it in the top quarter of counties.

How Hamilton County compares

The same measures for Indiana 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 Hamilton County, IN compared with Indiana and the U.S.
MeasureHamilton CountyIndianaU.S.
Listings per 10k households10.36.37.6
Spending per listing$1.4M$1.4M$1.3M
Households per official establishment (all fitness and recreational sports centers)1,3863,6753,109
Official establishment growth, 2019–2023+16.5%+7.3%+5.8%
Population growth, 2020–2025+10.9%+2.7%+3.1%
Spending per household on memberships, classes and admissions$1,467$864$983
Median household income$121,530$71,957$80,734
Groundwork market score6560

Official counts and lending

Businesses

Official establishments, 2019 to 2023
85 → 99All fitness and recreational sports centers · +16.5% over the period
Employees, 2023
1,338
Annual payroll, 2023
$24.4M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
14153 chain locations
Listings at the U.S. rate for this spending
155The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
26
Amount
$12.1M

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

Population, 2025 estimate
387,036+10.9% since 2020
Households
137,252
Median age
39.2
Homes lived in by their owners
76%
Vehicles per household
1.9
Land area
394 sq. mi.
People per square mile
926
Median household income
$121,530+23.8% vs. 2015–2019, before inflation
Average household income
$158,610
Median home value
$405,500
Jobs located here
177,508
Daytime population
354,187Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Hamilton 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 Hamilton County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

The highest-scoring counties in Indiana for gyms, numbered among those based in Indiana, with Hamilton County marked.

Top counties in Indiana

Counties in Indiana ranked for gyms by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Hancock County, IN92195.7$1.9M+13.5%#6 of 1,792
2Dearborn County, IN8173.5$2.6M+1.7%#52 of 1,792
3Putnam County, IN7953.5$2.4M+3.2%#75 of 1,792
4Boone County, IN76196.6$2.1M+13.5%#117 of 1,792
5Franklin County, IN7655.4$1.7M+2.2%#121 of 1,792
6Johnson County, IN76487.7$1.4M+7.4%#128 of 1,792
7Warrick County, IN73124.8$2.2M+4.4%#157 of 1,792
8Morgan County, IN72176.0$1.6M+4.4%#185 of 1,792
9Hendricks County, IN71497.3$1.6M+10.2%#206 of 1,792
10Madison County, IN71254.7$1.5M+3.8%#207 of 1,792
18Hamilton County, IN6514110.3$1.4M+10.9%#361 of 1,792

Other business types in Hamilton County

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

Questions

How many gyms are in Hamilton County, IN?

There are 141 gyms on map listings in Hamilton County as of September 2026. 53 of them (38%) are chain locations. The listings count gyms and fitness centers. Official counts show 99 businesses with payroll classed as fitness and recreational sports centers in 2023, up 16.5% from 2019. That count covers all fitness and recreational sports centers (yoga, Pilates and fitness studios included), not only gyms.

How much do households in Hamilton County, IN spend on memberships, classes and admissions?

About $201.4M a year, or $1,467 per household. That is 49% above the U.S. average (an index of 149, where 100 is the U.S. average). Spread across the 141 gyms on map listings, it comes to $1.4M per gym. The spending figure covers all memberships, classes and admissions, not only gyms. It is estimated from the incomes of the 137,252 households in Hamilton County and national spending patterns by income.

How does Hamilton County, IN compare with the U.S. for gyms?

Hamilton County has 10.3 gyms per 10,000 households, 36% above the U.S. rate of 7.6. Spending per gym is $1.4M, 10% above the U.S. figure of $1.3M. At the national ratio of gyms to household spending, Hamilton County would have about 155, against 141 on map listings. There is one business with payroll in the industry for every 1,386 households, against one for every 3,109 across the U.S. The official count rose 16.5% from 2019 to 2023, against +5.8% for the U.S.

How fast is Hamilton County, IN growing?

Population estimates put Hamilton County at 387,036 people in 2025, up 10.9% since 2020, faster than the U.S. (+3.1%). It has 137,252 households. The median household income in Hamilton County is $121,530 a year, 51% above the U.S. median of $80,734. That rose 23.8% 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. Hamilton County scores 65 for gyms (upper middle), #361 of 1,792 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Hamilton 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 Hamilton 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.