Health care · County · California
Primary care and pediatric clinics in San Mateo County, CA
How San Mateo County, CA compares with other counties and the U.S. for primary care and pediatric clinics: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 54 out of 100: Upper middle
Ranked #704 of 1,656 scored counties
#21 of 45 scored counties in California
- Listings
- 202
- 10 chain locations (5%)
- Official establishments
- 442
- −2.9% since 2019
- Household spending a year
- $475M
- On medical and dental services · $1,797 a household
- Spending per listing
- $2.4M
- 32% above the U.S.
- Listings per 10k households
- 7.6
- 6% above the U.S.
- Population, 2025
- 743,568
- −2.5% since 2020
See the primary care and pediatric clinics around any address in San Mateo County
The site report maps the primary care and pediatric clinics 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 San Mateo 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 202 primary care and pediatric clinics in San Mateo County. Chain locations make up 5% of them, against 9% across the U.S. Per 10,000 households, that is 7.6, 6% above the U.S. rate of 7.2.
Households in San Mateo County spend about $475M a year on medical and dental services, or $1,797 per household, 39% above the U.S. average. That is about $2.4M of household spending for each clinic on map listings, 32% above the U.S. figure of $1.8M. That spending covers all medical and dental services, which primary care and pediatric clinics share with other businesses in the trade.
In 2023, official counts showed 442 businesses with payroll in San Mateo County classed as offices of physicians, down 2.9% from 2019. That is one for every 598 households, against one for every 593 across the U.S. Official counts list 711 one-person businesses without payroll. Since fiscal 2022, 2 SBA-backed loans worth $1.6M have gone to businesses classed as offices of physicians in San Mateo County.
Between 2020 and 2025, the population of San Mateo County declined 2.5%, against +3.1% for the U.S. The Groundwork market score for primary care and pediatric clinics in San Mateo County is 54 (upper middle), #704 of 1,656 scored counties and #21 of 45 scored counties in California.
How San Mateo 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 primary care and pediatric clinics 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 | San Mateo County | California | U.S. |
|---|---|---|---|
| Listings per 10k households | 7.6 | 7.3 | 7.2 |
| Spending per listing | $2.4M | $2M | $1.8M |
| Households per official establishment | 598 | 426 | 593 |
| Official establishment growth, 2019–2023 | −2.9% | −0.8% | −2.2% |
| Population growth, 2020–2025 | −2.5% | −0.4% | +3.1% |
| Spending per household on medical and dental services | $1,797 | $1,464 | $1,288 |
| Median household income | $158,855 | $99,122 | $80,734 |
| Groundwork market score | 54 | 42 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 455 → 442−2.9% over the period
- Employees, 2023
- 4,535
- Annual payroll, 2023
- $615.7M
- One-person businesses, 2023
- 711Businesses with no payroll
- Map listings, September 2026
- 20210 chain locations
- Listings at the U.S. rate for this spending
- 267The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 2
- Amount
- $1.6M
SBA-backed loans to businesses classed as offices of physicians in San Mateo 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 San Mateo County
- Population, 2025 estimate
- 743,568−2.5% since 2020
- Households
- 264,419
- Median age
- 41.8
- Homes lived in by their owners
- 58%
- Vehicles per household
- 1.9
- Land area
- 449 sq. mi.
- People per square mile
- 1,655
- Median household income
- $158,855+29.5% vs. 2015–2019, before inflation
- Average household income
- $231,822
- Median home value
- $1,559,600
- Jobs located here
- 425,111
- Daytime population
- 795,447Residents who don’t work, plus everyone whose job is here
Looking at a specific site in San Mateo 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 primary care and pediatric clinics on map listings by name and distance.
Or open the report at the center of San Mateo County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardPrimary care and pediatrics across California
Every California market ranked →The highest-scoring counties in California for primary care and pediatric clinics, numbered among those based in California, with San Mateo County marked.
Top counties in California
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Yuba County, CA | 85 | 10 | 3.5 | $3.6M | +8.2% | #38 of 1,656 |
| 2San Benito County, CA | 82 | 8 | 3.9 | $4M | +8.6% | #66 of 1,656 |
| 3Yolo County, CA | 76 | 28 | 3.7 | $3.8M | +3.1% | #129 of 1,656 |
| 4Madera County, CA | 76 | 19 | 4.2 | $3M | +7.4% | #135 of 1,656 |
| 5El Dorado County, CA | 74 | 26 | 3.4 | $4.5M | +0.6% | #162 of 1,656 |
| 6Solano County, CA | 74 | 67 | 4.3 | $3.4M | +0.6% | #170 of 1,656 |
| 7San Joaquin County, CA | 74 | 106 | 4.3 | $3.2M | +5.5% | #171 of 1,656 |
| 8Placer County, CA | 70 | 91 | 5.8 | $2.7M | +8.9% | #263 of 1,656 |
| 9Sacramento County, CA | 67 | 292 | 5.1 | $2.7M | +2.0% | #315 of 1,656 |
| 10Nevada County, CA | 64 | 11 | 2.6 | $5.4M | −0.4% | #383 of 1,656 |
| 21San Mateo County, CA | 54 | 202 | 7.6 | $2.4M | −2.5% | #704 of 1,656 |
Other business types in San Mateo 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 clinics40
- Dentists and orthodontists27
- Primary care and pediatrics54
- Urgent care and walk-in clinics78
- Chiropractors57
- Physical therapy66
- Optometrists and eye care62
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many primary care and pediatric clinics are in San Mateo County, CA?
San Mateo County has 202 primary care and pediatric clinics on map listings as of September 2026. 10 of them (5%) are chain locations. The listings count primary care, family medicine and pediatric clinics. Official counts show 442 businesses with payroll classed as offices of physicians in 2023, down 2.9% from 2019. Official counts also show 711 one-person businesses without payroll.
How much do households in San Mateo County, CA spend on medical and dental services?
About $475M a year, or $1,797 per household. That is 39% above the U.S. average (an index of 139, where 100 is the U.S. average). Spread across the 202 primary care and pediatric clinics on map listings, it comes to $2.4M per clinic. The spending figure covers all medical and dental services, not only primary care and pediatric clinics. It is estimated from the incomes of the 264,419 households in San Mateo County and national spending patterns by income.
How does San Mateo County, CA compare with the U.S. for primary care and pediatric clinics?
San Mateo County has 7.6 primary care and pediatric clinics per 10,000 households, 6% above the U.S. rate of 7.2. Spending per clinic is $2.4M, 32% above the U.S. figure of $1.8M. At the national ratio of primary care and pediatric clinics to household spending, San Mateo County would have about 267, against 202 on map listings. There is one business with payroll in the industry for every 598 households, against one for every 593 across the U.S. The official count fell 2.9% from 2019 to 2023, against −2.2% for the U.S.
How fast is San Mateo County, CA growing?
Population estimates put San Mateo County at 743,568 people in 2025, down 2.5% since 2020, against +3.1% for the U.S. It has 264,419 households. The median household income in San Mateo County is $158,855 a year, 97% above the U.S. median of $80,734. That rose 29.5% from the 2015–2019 survey, 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. San Mateo County scores 54 for primary care and pediatric clinics (upper middle), #704 of 1,656 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in San Mateo County. It maps the primary care and pediatric clinics 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 primary care and pediatric clinics · All 56 business types in San Mateo County
Screening a site or an acquisition in San Mateo 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 San Mateo 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.