Fitness and classes · County · California
Gyms and studios in Sonoma County, CA
How Sonoma County, CA 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 54 out of 100: Upper middle
Ranked #842 of 2,088 scored counties
#35 of 55 scored counties in California
- Listings
- 359
- 62 chain locations (17%)
- Official establishments
- 170
- +22.3% since 2019
- Household spending a year
- $281.9M
- On memberships, classes and admissions · $1,476 a household
- Spending per listing
- $785K
- 19% above the U.S.
- Listings per 10k households
- 18.8
- 26% above the U.S.
- Population, 2025
- 486,444
- −0.4% since 2020
See the gyms and studios around any address in Sonoma 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 Sonoma 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 359 gyms and studios in Sonoma County. Of those, 62 are chain locations, or 17%, against 20% across the U.S. That comes to 18.8 for every 10,000 households, 26% above the U.S. rate of 14.9.
Household spending on memberships, classes and admissions in Sonoma County comes to about $281.9M a year: $1,476 per household, 50% above the U.S. average. Spread across 359 gyms and studios, that is $785K per location, 19% above the U.S. figure of $662K.
The official count of businesses with payroll classed as fitness centers and recreation instruction in Sonoma County was 170 in 2023, up 22.3% from 2019. That is one for every 1,124 households, against one for every 1,641 across the U.S. Since fiscal 2022, 12 SBA-backed loans worth $7.5M have gone to businesses classed as fitness centers and recreation instruction in Sonoma County.
Population estimates show Sonoma County declined 0.4% from 2020 to 2025, against +3.1% for the U.S. For gyms and studios, Sonoma County has a Groundwork market score of 54 (upper middle): #842 of 2,088 scored counties and #35 of 55 scored counties in California.
How Sonoma County compares
The same measures for California 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 | Sonoma County | California | U.S. |
|---|---|---|---|
| Listings per 10k households | 18.8 | 17.1 | 14.9 |
| Spending per listing | $785K | $837K | $662K |
| Households per official establishment | 1,124 | 1,281 | 1,641 |
| Official establishment growth, 2019–2023 | +22.3% | +14.7% | +8.2% |
| Population growth, 2020–2025 | −0.4% | −0.4% | +3.1% |
| Spending per household on memberships, classes and admissions | $1,476 | $1,435 | $983 |
| Median household income | $104,674 | $99,122 | $80,734 |
| Groundwork market score | 54 | 60 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 139 → 170+22.3% over the period
- Employees, 2023
- 2,163
- Annual payroll, 2023
- $47.2M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 35962 chain locations
- Listings at the U.S. rate for this spending
- 426The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 12
- Amount
- $7.5M
SBA-backed loans to businesses classed as fitness centers and recreation instruction in Sonoma 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 Sonoma County
- Population, 2025 estimate
- 486,444−0.4% since 2020
- Households
- 190,998
- Median age
- 44.0
- Homes lived in by their owners
- 63%
- Vehicles per household
- 2.0
- Land area
- 1,575 sq. mi.
- People per square mile
- 308
- Median household income
- $104,674+29.2% vs. 2015–2019, before inflation
- Average household income
- $142,354
- Median home value
- $815,500
- Jobs located here
- 200,159
- Daytime population
- 465,573Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Sonoma 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 Sonoma 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 California
Every California market ranked →The highest-scoring counties in California for gyms and studios, numbered among those based in California, with Sonoma County marked.
Top counties in California
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Yuba County, CA | 92 | 20 | 7.0 | $1.4M | +8.2% | #7 of 2,088 |
| 2Madera County, CA | 84 | 50 | 11.0 | $952K | +7.4% | #35 of 2,088 |
| 3Calaveras County, CA | 82 | 26 | 14.1 | $823K | +2.8% | #54 of 2,088 |
| 4San Joaquin County, CA | 80 | 328 | 13.4 | $942K | +5.5% | #71 of 2,088 |
| 5Amador County, CA | 79 | 24 | 14.9 | $755K | +3.2% | #84 of 2,088 |
| 6San Benito County, CA | 78 | 25 | 12.2 | $1.3M | +8.6% | #86 of 2,088 |
| 7Merced County, CA | 78 | 98 | 11.4 | $796K | +5.1% | #97 of 2,088 |
| 8Colusa County, CA | 77 | 5 | 6.7 | $1.5M | −0.1% | #100 of 2,088 |
| 9Tulare County, CA | 77 | 147 | 10.3 | $950K | +2.4% | #107 of 2,088 |
| 10Tehama County, CA | 76 | 20 | 8.1 | $1.1M | −1.7% | #124 of 2,088 |
| 35Sonoma County, CA | 54 | 359 | 18.8 | $785K | −0.4% | #842 of 2,088 |
Other business types in Sonoma 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 classes54
- Gyms58
- Yoga, Pilates and fitness studios39
- Martial arts and dance studios58
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many gyms and studios are in Sonoma County, CA?
Sonoma County has 359 gyms and studios on map listings as of September 2026. 62 of them (17%) are chain locations. The listings count gyms, fitness studios, martial arts and dance studios. Official counts show 170 businesses with payroll classed as fitness centers and recreation instruction in 2023, up 22.3% from 2019.
How much do households in Sonoma County, CA spend on memberships, classes and admissions?
About $281.9M a year, or $1,476 per household. That is 50% above the U.S. average (an index of 150, where 100 is the U.S. average). Spread across the 359 gyms and studios on map listings, it comes to $785K per location. It is estimated from the incomes of the 190,998 households in Sonoma County and national spending patterns by income.
How does Sonoma County, CA compare with the U.S. for gyms and studios?
Sonoma County has 18.8 gyms and studios per 10,000 households, 26% above the U.S. rate of 14.9. Spending per location is $785K, 19% above the U.S. figure of $662K. At the national ratio of gyms and studios to household spending, Sonoma County would have about 426, against 359 on map listings. There is one business with payroll in the industry for every 1,124 households, against one for every 1,641 across the U.S. The official count rose 22.3% from 2019 to 2023, against +8.2% for the U.S.
How fast is Sonoma County, CA growing?
Population estimates put Sonoma County at 486,444 people in 2025, down 0.4% since 2020, against +3.1% for the U.S. It has 190,998 households. Median household income in Sonoma County is $104,674, 30% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.2%, 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. Sonoma County scores 54 for gyms and studios (upper middle), #842 of 2,088 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Sonoma 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 Sonoma County
Screening a site or an acquisition in Sonoma 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 Sonoma 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.