Groundwork

Fitness and classes · County · Maine

Gyms and studios in Knox County, ME

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

Groundwork market score · out of 100

Score 25 out of 100: Lower middle

Ranked #1,913 of 2,088 scored counties
#16 of 16 scored counties in Maine

Listings
44
3 chain locations (7%)
Official establishments
23
Businesses with payroll, 2023
Household spending a year
$16.1M
On memberships, classes and admissions · $873 a household
Spending per listing
$367K
45% below the U.S.
Listings per 10k households
23.8
60% above the U.S.
Population, 2025
41,117
+1.1% since 2020

See the gyms and studios around any address in Knox 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 Knox 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

Knox County scores 25 (lower middle) on the Groundwork market score for gyms and studios, ranking #1,913 of 2,088 scored counties and #16 of 16 scored counties in Maine. That puts it in the bottom quarter of counties.

Households in Knox County spend about $16.1M a year on memberships, classes and admissions, or $873 per household, 11% below the U.S. average. That is about $367K of household spending for each location on map listings, 45% below the U.S. figure of $662K.

Knox County has 44 gyms and studios on map listings as of September 2026. 3 of them (7%) are chain locations, against 20% across the U.S. That is 23.8 per 10,000 households, 60% above the U.S. rate of 14.9.

The official count of businesses with payroll classed as fitness centers and recreation instruction in Knox County was 23 in 2023. That is one for every 804 households, against one for every 1,641 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $20K has gone to businesses classed as fitness centers and recreation instruction in Knox County. Population estimates put the population change in Knox County from 2020 to 2025 at +1.1%, slower than the U.S. (+3.1%).

How Knox County compares

The same measures for Maine 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 Knox County, ME compared with Maine and the U.S.
MeasureKnox CountyMaineU.S.
Listings per 10k households23.816.414.9
Spending per listing$367K$524K$662K
Households per official establishment8041,6871,641
Official establishment growth, 2019–2023n/a+12.0%+8.2%
Population growth, 2020–2025+1.1%+3.7%+3.1%
Spending per household on memberships, classes and admissions$873$858$983
Median household income$74,096$74,733$80,734
Groundwork market score2537

Official counts and lending

Businesses

Official establishments, 2019 to 2023
18 → 23
Employees, 2023
265
Annual payroll, 2023
$7.7M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
443 chain locations
Listings at the U.S. rate for this spending
24The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$20K

SBA-backed loans to businesses classed as fitness centers and recreation instruction in Knox 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 Knox County

Population, 2025 estimate
41,117+1.1% since 2020
Households
18,484
Median age
49.3
Homes lived in by their owners
79%
Vehicles per household
1.8
Land area
365 sq. mi.
People per square mile
112
Median household income
$74,096+28.3% vs. 2015–2019, before inflation
Average household income
$99,101
Median home value
$324,900
Jobs located here
16,342
Daytime population
41,779Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Knox 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 Knox 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 Maine

Every Maine market ranked →

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

Top counties in Maine

Counties in Maine ranked for gyms and studios by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Waldo County, ME72179.7$785K+2.6%#212 of 2,088
2Lincoln County, ME71159.0$932K+3.8%#226 of 2,088
3Somerset County, ME64208.6$738K+2.3%#459 of 2,088
4York County, ME6214315.6$614K+4.8%#542 of 2,088
5Sagadahoc County, ME582716.4$560K+3.4%#704 of 2,088
6Washington County, ME53149.9$648K+0.8%#904 of 2,088
7Androscoggin County, ME525712.1$611K+4.8%#967 of 2,088
8Piscataquis County, ME48910.7$615K+3.5%#1,171 of 2,088
9Oxford County, ME483414.1$496K+4.2%#1,191 of 2,088
10Penobscot County, ME469214.1$545K+3.8%#1,272 of 2,088
16Knox County, ME254423.8$367K+1.1%#1,913 of 2,088

Other business types in Knox County

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

Questions

How many gyms and studios are in Knox County, ME?

Map listings as of September 2026 show 44 gyms and studios in Knox County. 3 of them (7%) are chain locations. The listings count gyms, fitness studios, martial arts and dance studios. Official counts show 23 businesses with payroll classed as fitness centers and recreation instruction in 2023.

How much do households in Knox County, ME spend on memberships, classes and admissions?

About $16.1M a year, or $873 per household. That is 11% below the U.S. average (an index of 89, where 100 is the U.S. average). Spread across the 44 gyms and studios on map listings, it comes to $367K per location. It is estimated from the incomes of the 18,484 households in Knox County and national spending patterns by income.

How does Knox County, ME compare with the U.S. for gyms and studios?

Knox County has 23.8 gyms and studios per 10,000 households, 60% above the U.S. rate of 14.9. Spending per location is $367K, 45% below the U.S. figure of $662K. At the U.S. ratio of gyms and studios to household spending, Knox County would have about 24, against 44 on map listings. There is one business with payroll in the industry for every 804 households, against one for every 1,641 across the U.S.

How fast is Knox County, ME growing?

Population estimates put Knox County at 41,117 people in 2025, up 1.1% since 2020, slower than the U.S. (+3.1%). It has 18,484 households. The median household income in Knox County is $74,096 a year, 8% below the U.S. median of $80,734. That rose 28.3% 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. Knox County scores 25 for gyms and studios (lower middle), #1,913 of 2,088 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Knox 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 Knox 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.