Groundwork

Fitness and classes · County · Idaho

Gyms in Franklin County, ID

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

Groundwork market score · out of 100

Score 52 out of 100: Upper middle

Ranked #860 of 1,792 scored counties
#16 of 21 scored counties in Idaho

Listings
7
2 chain locations (29%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$4.9M
On memberships, classes and admissions · $1,002 a household
Spending per listing
$706K
46% below the U.S.
Listings per 10k households
14.2
87% above the U.S.
Population, 2025
15,889
+11.2% since 2020

See the gyms around any address in Franklin 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 Franklin 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

Households in Franklin County spend about $4.9M a year on memberships, classes and admissions, or $1,002 per household, 2% above the U.S. average. That works out to $706K per gym, 46% below the U.S. figure of $1.3M. The spending figure covers all memberships, classes and admissions, not only gyms.

Franklin County has 7 gyms on map listings as of September 2026. 2 of them (29%) are chain locations, against 28% across the U.S. Per 10,000 households, that is 14.2, 87% above the U.S. rate of 7.6.

Official counts don’t publish a figure for fitness and recreational sports centers in Franklin County, since they leave out counts under 3.

Population estimates show Franklin County grew 11.2% from 2020 to 2025, faster than the U.S. (+3.1%). Franklin County scores 52 (upper middle) on the Groundwork market score for gyms, ranking #860 of 1,792 scored counties and #16 of 21 scored counties in Idaho.

How Franklin County compares

The same measures for Idaho 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 Franklin County, ID compared with Idaho and the U.S.
MeasureFranklin CountyIdahoU.S.
Listings per 10k households14.28.47.6
Spending per listing$706K$1.2M$1.3M
Households per official establishment (all fitness and recreational sports centers)n/a3,0603,109
Official establishment growth, 2019–2023n/a+18.9%+5.8%
Population growth, 2020–2025+11.2%+9.8%+3.1%
Spending per household on memberships, classes and admissions$1,002$1,038$983
Median household income$71,950$77,800$80,734
Groundwork market score5259

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
72 chain locations
Listings at the U.S. rate for this spending
4The 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 Franklin 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 Franklin County

Population, 2025 estimate
15,889+11.2% since 2020
Households
4,932
Median age
33.1
Homes lived in by their owners
78%
Vehicles per household
2.7
Land area
663 sq. mi.
People per square mile
23
Median household income
$71,950+25.8% vs. 2015–2019, before inflation
Average household income
$94,804
Median home value
$372,600
Jobs located here
3,917
Daytime population
12,639Residents who don’t work, plus everyone whose job is here

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

Top counties in Idaho

Counties in Idaho ranked for gyms by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Canyon County, ID90455.2$1.8M+18.1%#14 of 1,792
2Bingham County, ID8974.3$2.3M+6.4%#17 of 1,792
3Bonneville County, ID72368.1$1.3M+8.9%#192 of 1,792
4Latah County, ID6774.3$2M+5.6%#278 of 1,792
5Twin Falls County, ID65267.5$1.2M+7.9%#372 of 1,792
6Bonner County, ID62157.4$1.3M+14.8%#459 of 1,792
7Ada County, ID5921310.5$1.2M+9.6%#575 of 1,792
8Nez Perce County, ID59158.7$1.1M+1.8%#583 of 1,792
9Blaine County, ID58109.6$1.3M+4.8%#610 of 1,792
10Kootenai County, ID58659.1$1.1M+11.0%#621 of 1,792
16Franklin County, ID52714.2$706K+11.2%#860 of 1,792

Other business types in Franklin County

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

Questions

How many gyms are in Franklin County, ID?

Map listings as of September 2026 show 7 gyms in Franklin County. 2 of them (29%) are chain locations. The listings count gyms and fitness centers. No official count is published for fitness and recreational sports centers in Franklin County: counts under 3 are left out.

How much do households in Franklin County, ID spend on memberships, classes and admissions?

About $4.9M a year, or $1,002 per household. That is 2% above the U.S. average (an index of 102, where 100 is the U.S. average). Spread across the 7 gyms on map listings, it comes to $706K 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 4,932 households in Franklin County and national spending patterns by income.

How does Franklin County, ID compare with the U.S. for gyms?

Franklin County has 14.2 gyms per 10,000 households, 87% above the U.S. rate of 7.6. Spending per gym is $706K, 46% below the U.S. figure of $1.3M. At the U.S. ratio of gyms to household spending, Franklin County would have about 4, against 7 on map listings.

How fast is Franklin County, ID growing?

Population estimates put Franklin County at 15,889 people in 2025, up 11.2% since 2020, faster than the U.S. (+3.1%). It has 4,932 households. Median household income in Franklin County is $71,950, 11% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 25.8%, 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. Franklin County scores 52 for gyms (upper middle), #860 of 1,792 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Franklin 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 Franklin 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.