Health care · County · California
Medical and dental practices in Sonoma County, CA
The medical and dental practices in Sonoma County, CA, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 44 out of 100: Lower middle
Ranked #1,465 of 2,394 scored counties
#29 of 55 scored counties in California
- Listings
- 1,496
- 101 chain locations (7%)
- Official establishments
- 698
- −1.7% since 2019
- Household spending a year
- $285.7M
- On medical and dental services · $1,496 a household
- Spending per listing
- $191K
- 25% above the U.S.
- Listings per 10k households
- 78.3
- 7% below the U.S.
- Population, 2025
- 486,444
- −0.4% since 2020
See the medical and dental practices around any address in Sonoma County
The site report maps the medical and dental practices 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 1,496 medical and dental practices in Sonoma County. 101 of them (7%) are chain locations, against 11% across the U.S. That is 78.3 per 10,000 households, 7% below the U.S. rate of 84.5.
Households in Sonoma County spend about $285.7M a year on medical and dental services, or $1,496 per household, 16% above the U.S. average. Spread across 1,496 medical and dental practices, that is $191K per practice, 25% above the U.S. figure of $152K.
Official counts show 698 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Sonoma County in 2023, down 1.7% from 2019. That is one for every 274 households, against one for every 270 across the U.S. Official counts also show 443 one-person businesses without payroll. Since fiscal 2022, 12 SBA-backed loans worth $12.6M have gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Sonoma County.
Population estimates put the population change in Sonoma County from 2020 to 2025 at −0.4%, against +3.1% for the U.S. For medical and dental practices, Sonoma County has a Groundwork market score of 44 (lower middle): #1,465 of 2,394 scored counties and #29 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 medical and dental services by the medical and dental practices 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 | 78.3 | 88.3 | 84.5 |
| Spending per listing | $191K | $166K | $152K |
| Households per official establishment | 274 | 199 | 270 |
| Official establishment growth, 2019–2023 | −1.7% | +2.6% | +1.5% |
| Population growth, 2020–2025 | −0.4% | −0.4% | +3.1% |
| Spending per household on medical and dental services | $1,496 | $1,464 | $1,288 |
| Median household income | $104,674 | $99,122 | $80,734 |
| Groundwork market score | 44 | 43 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 710 → 698−1.7% over the period
- Employees, 2023
- 5,754
- Annual payroll, 2023
- $518.2M
- One-person businesses, 2023
- 443Businesses with no payroll
- Map listings, September 2026
- 1,496101 chain locations
- Listings at the U.S. rate for this spending
- 1,873The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 12
- Amount
- $12.6M
SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers 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 medical and dental practices 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 cardDoctors, dentists and clinics across California
Every California market ranked →The highest-scoring counties in California for medical and dental practices, 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 | 85 | 67 | 23.4 | $531K | +8.2% | #33 of 2,394 |
| 2San Benito County, CA | 80 | 86 | 41.8 | $372K | +8.6% | #104 of 2,394 |
| 3Calaveras County, CA | 73 | 66 | 35.8 | $367K | +2.8% | #252 of 2,394 |
| 4Trinity County, CA | 69 | 11 | 19.7 | $566K | −2.3% | #358 of 2,394 |
| 5Colusa County, CA | 69 | 23 | 30.6 | $407K | −0.1% | #363 of 2,394 |
| 6Madera County, CA | 69 | 194 | 42.8 | $296K | +7.4% | #378 of 2,394 |
| 7Mariposa County, CA | 64 | 16 | 21.3 | $569K | −1.2% | #557 of 2,394 |
| 8Yolo County, CA | 64 | 411 | 53.6 | $261K | +3.1% | #584 of 2,394 |
| 9San Joaquin County, CA | 63 | 1,341 | 54.7 | $253K | +5.5% | #621 of 2,394 |
| 10Lassen County, CA | 61 | 28 | 30.3 | $383K | −13.1% | #688 of 2,394 |
| 29Sonoma County, CA | 44 | 1,496 | 78.3 | $191K | −0.4% | #1,465 of 2,394 |
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
Health care
- Doctors, dentists and clinics44
- Dentists and orthodontists33
- Primary care and pediatrics61
- Urgent care and walk-in clinics66
- Chiropractors58
- Physical therapy70
- Optometrists and eye care77
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many medical and dental practices are in Sonoma County, CA?
Sonoma County has 1,496 medical and dental practices on map listings as of September 2026. 101 of them (7%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 698 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 1.7% from 2019. Another 443 one-person businesses have no payroll, by official counts.
How much do households in Sonoma County, CA spend on medical and dental services?
About $285.7M a year, or $1,496 per household. That is 16% above the U.S. average (an index of 116, where 100 is the U.S. average). Spread across the 1,496 medical and dental practices on map listings, it comes to $191K per practice. 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 medical and dental practices?
Sonoma County has 78.3 medical and dental practices per 10,000 households, 7% below the U.S. rate of 84.5. Spending per practice is $191K, 25% above the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Sonoma County would have about 1,873, against 1,496 on map listings. There is one business with payroll in the industry for every 274 households, against one for every 270 across the U.S. The official count fell 1.7% from 2019 to 2023, against +1.5% 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 44 for medical and dental practices (lower middle), #1,465 of 2,394 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 medical and dental practices 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 medical and dental practices · 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.