Health care · County · California
Dentists and orthodontists in Sonoma County, CA
Competitor counts, household spending and official business counts for dentists and orthodontists in Sonoma County, CA, set against other counties and the U.S.
Groundwork market score · out of 100
Score 33 out of 100: Lower middle
Ranked #1,552 of 1,886 scored counties
#30 of 51 scored counties in California
- Listings
- 310
- 21 chain locations (7%)
- Official establishments
- 282
- −2.8% since 2019
- Household spending a year
- $285.7M
- On medical and dental services · $1,496 a household
- Spending per listing
- $922K
- 6% below the U.S.
- Listings per 10k households
- 16.2
- 24% above the U.S.
- Population, 2025
- 486,444
- −0.4% since 2020
See the dentists and orthodontists around any address in Sonoma County
The site report maps the dentists and orthodontists 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
The Groundwork market score for dentists and orthodontists in Sonoma County is 33 (lower middle), #1,552 of 1,886 scored counties and #30 of 51 scored counties in California. That puts it in the bottom quarter of counties.
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. That works out to $922K per practice, 6% below the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.
Sonoma County has 310 dentists and orthodontists on map listings as of September 2026. Chain locations make up 7% of them, against 12% across the U.S. That comes to 16.2 for every 10,000 households, 24% above the U.S. rate of 13.1.
Official counts show 282 businesses with payroll classed as offices of dentists in Sonoma County in 2023, down 2.8% from 2019. That is one for every 677 households, against one for every 952 across the U.S. Since fiscal 2022, 8 SBA-backed loans worth $8.3M have gone to businesses classed as offices of dentists in Sonoma County. Between 2020 and 2025, the population of Sonoma County declined 0.4%, against +3.1% for the U.S.
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 dentists and orthodontists 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 | 16.2 | 17.9 | 13.1 |
| Spending per listing | $922K | $817K | $984K |
| Households per official establishment | 677 | 595 | 952 |
| Official establishment growth, 2019–2023 | −2.8% | +1.8% | −0.5% |
| 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 | 33 | 22 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 290 → 282−2.8% over the period
- Employees, 2023
- 2,175
- Annual payroll, 2023
- $137.7M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 31021 chain locations
- Listings at the U.S. rate for this spending
- 290The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 8
- Amount
- $8.3M
SBA-backed loans to businesses classed as offices of dentists 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 dentists and orthodontists 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 cardDentists and orthodontists across California
Every California market ranked →The highest-scoring counties in California for dentists and orthodontists, 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 | 89 | 7 | 2.4 | $5.1M | +8.2% | #9 of 1,886 |
| 2Amador County, CA | 72 | 13 | 8.1 | $1.6M | +3.2% | #220 of 1,886 |
| 3San Benito County, CA | 67 | 24 | 11.7 | $1.3M | +8.6% | #361 of 1,886 |
| 4Imperial County, CA | 63 | 31 | 6.2 | $1.8M | +1.1% | #456 of 1,886 |
| 5Calaveras County, CA | 62 | 16 | 8.7 | $1.5M | +2.8% | #504 of 1,886 |
| 6Lake County, CA | 60 | 22 | 8.2 | $1.4M | −0.6% | #566 of 1,886 |
| 7Inyo County, CA | 56 | 6 | 7.5 | $1.7M | −4.4% | #698 of 1,886 |
| 8Yolo County, CA | 51 | 92 | 12.0 | $1.2M | +3.1% | #900 of 1,886 |
| 9Lassen County, CA | 50 | 6 | 6.5 | $1.8M | −13.1% | #920 of 1,886 |
| 10Colusa County, CA | 50 | 7 | 9.3 | $1.3M | −0.1% | #929 of 1,886 |
| 30Sonoma County, CA | 33 | 310 | 16.2 | $922K | −0.4% | #1,552 of 1,886 |
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 dentists and orthodontists are in Sonoma County, CA?
Map listings as of September 2026 show 310 dentists and orthodontists in Sonoma County. 21 of them (7%) are chain locations. The listings count dental practices, orthodontists included. Official counts show 282 businesses with payroll classed as offices of dentists in 2023, down 2.8% from 2019.
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 310 dentists and orthodontists on map listings, it comes to $922K per practice. That spending covers all medical and dental services, which dentists and orthodontists share with other businesses in the trade. 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 dentists and orthodontists?
Sonoma County has 16.2 dentists and orthodontists per 10,000 households, 24% above the U.S. rate of 13.1. Spending per practice is $922K, 6% below the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, Sonoma County would have about 290, against 310 on map listings. There is one business with payroll in the industry for every 677 households, against one for every 952 across the U.S. The official count fell 2.8% from 2019 to 2023, against −0.5% 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 33 for dentists and orthodontists (lower middle), #1,552 of 1,886 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 dentists and orthodontists 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 dentists and orthodontists · 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.