Fitness and classes · County · Washington
Gyms and studios in King County, WA
How King County, WA compares with other counties and the U.S. for gyms and studios: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 66 out of 100: Upper middle
Ranked #366 of 2,088 scored counties
#21 of 32 scored counties in Washington
- Listings
- 1,713
- 363 chain locations (21%)
- Official establishments
- 989
- +2.4% since 2019
- Household spending a year
- $1.7B
- On memberships, classes and admissions · $1,763 a household
- Spending per listing
- $969K
- 46% above the U.S.
- Listings per 10k households
- 18.2
- 22% above the U.S.
- Population, 2025
- 2,344,939
- +3.1% since 2020
See the gyms and studios around any address in King 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 King County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
As of September 2026, map listings count 1,713 gyms and studios in King County. Chain locations make up 21% of them, against 20% across the U.S. That comes to 18.2 for every 10,000 households, 22% above the U.S. rate of 14.9.
Household spending on memberships, classes and admissions in King County comes to about $1.7B a year: $1,763 per household, 79% above the U.S. average. Spread across 1,713 gyms and studios, that is $969K per location, 46% above the U.S. figure of $662K.
In 2023, official counts showed 989 businesses with payroll in King County classed as fitness centers and recreation instruction, up 2.4% from 2019. That is one for every 952 households, against one for every 1,641 across the U.S. Since fiscal 2022, 74 SBA-backed loans worth $33.2M have gone to businesses classed as fitness centers and recreation instruction in King County.
Population estimates put the population change in King County from 2020 to 2025 at +3.1%, in step with the U.S. (+3.1%). For gyms and studios, King County has a Groundwork market score of 66 (upper middle): #366 of 2,088 scored counties and #21 of 32 scored counties in Washington. That puts it in the top quarter of counties.
How King County compares
The same measures for Washington 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.
| Measure | King County | Washington | U.S. |
|---|---|---|---|
| Listings per 10k households | 18.2 | 14.4 | 14.9 |
| Spending per listing | $969K | $962K | $662K |
| Households per official establishment | 952 | 1,380 | 1,641 |
| Official establishment growth, 2019–2023 | +2.4% | +9.7% | +8.2% |
| Population growth, 2020–2025 | +3.1% | +3.6% | +3.1% |
| Spending per household on memberships, classes and admissions | $1,763 | $1,386 | $983 |
| Median household income | $124,746 | $98,141 | $80,734 |
| Groundwork market score | 66 | 73 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 966 → 989+2.4% over the period
- Employees, 2023
- 13,695
- Annual payroll, 2023
- $342M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 1,713363 chain locations
- Listings at the U.S. rate for this spending
- 2,507The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 74
- Amount
- $33.2M
SBA-backed loans to businesses classed as fitness centers and recreation instruction in King 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 King County
- Population, 2025 estimate
- 2,344,939+3.1% since 2020
- Households
- 941,054
- Median age
- 38.8
- Homes lived in by their owners
- 55%
- Vehicles per household
- 1.6
- Land area
- 2,116 sq. mi.
- People per square mile
- 1,081
- Median household income
- $124,746+31.4% vs. 2015–2019, before inflation
- Average household income
- $176,807
- Median home value
- $859,900
- Jobs located here
- 1,503,962
- Daytime population
- 2,645,877Residents who don’t work, plus everyone whose job is here
Looking at a specific site in King 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 King County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardGyms, studios and classes across Washington
Every Washington market ranked →The highest-scoring counties in Washington for gyms and studios, numbered among those based in Washington, with King County marked.
Top counties in Washington
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Douglas County, WA | 94 | 8 | 5.0 | $2.3M | +8.0% | #1 of 2,088 |
| 2Mason County, WA | 93 | 14 | 5.4 | $2M | +7.8% | #3 of 2,088 |
| 3Lewis County, WA | 89 | 23 | 7.0 | $1.4M | +6.7% | #14 of 2,088 |
| 4Franklin County, WA | 88 | 24 | 8.0 | $1.5M | +5.6% | #17 of 2,088 |
| 5Stevens County, WA | 86 | 16 | 8.3 | $1.1M | +6.6% | #23 of 2,088 |
| 6Klickitat County, WA | 85 | 9 | 9.1 | $1.1M | +6.6% | #26 of 2,088 |
| 7Grays Harbor County, WA | 80 | 30 | 9.8 | $873K | +3.0% | #74 of 2,088 |
| 8Cowlitz County, WA | 78 | 43 | 9.8 | $1M | +3.5% | #90 of 2,088 |
| 9Pacific County, WA | 77 | 12 | 10.9 | $846K | +3.6% | #113 of 2,088 |
| 10Adams County, WA | 76 | 7 | 11.1 | $819K | +4.3% | #130 of 2,088 |
| 21King County, WA | 66 | 1,713 | 18.2 | $969K | +3.1% | #366 of 2,088 |
Other business types in King County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
- Gyms, studios and classes66
- Gyms70
- Yoga, Pilates and fitness studios56
- Martial arts and dance studios66
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many gyms and studios are in King County, WA?
King County has 1,713 gyms and studios on map listings as of September 2026. 363 of them (21%) are chain locations. The listings count gyms, fitness studios, martial arts and dance studios. Official counts show 989 businesses with payroll classed as fitness centers and recreation instruction in 2023, up 2.4% from 2019.
How much do households in King County, WA spend on memberships, classes and admissions?
About $1.7B a year, or $1,763 per household. That is 79% above the U.S. average (an index of 179, where 100 is the U.S. average). Spread across the 1,713 gyms and studios on map listings, it comes to $969K per location. It is estimated from the incomes of the 941,054 households in King County and national spending patterns by income.
How does King County, WA compare with the U.S. for gyms and studios?
King County has 18.2 gyms and studios per 10,000 households, 22% above the U.S. rate of 14.9. Spending per location is $969K, 46% above the U.S. figure of $662K. At the national ratio of gyms and studios to household spending, King County would have about 2,507, against 1,713 on map listings. There is one business with payroll in the industry for every 952 households, against one for every 1,641 across the U.S. The official count rose 2.4% from 2019 to 2023, against +8.2% for the U.S.
How fast is King County, WA growing?
Population estimates put King County at 2,344,939 people in 2025, up 3.1% since 2020, in step with the U.S. (+3.1%). It has 941,054 households. Median household income in King County is $124,746, 55% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 31.4%, 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. King County scores 66 for gyms and studios (upper middle), #366 of 2,088 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in King 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 King County
Screening a site or an acquisition in King 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 King 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.