Groundwork

Health care · County · California

Dentists and orthodontists in Contra Costa County, CA

The dentists and orthodontists in Contra Costa County, CA, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 32 out of 100: Lower middle

Ranked #1,591 of 1,886 scored counties
#34 of 51 scored counties in California

Listings
810
54 chain locations (7%)
Official establishments
732
+1.1% since 2019
Household spending a year
$680M
On medical and dental services · $1,641 a household
Spending per listing
$839K
15% below the U.S.
Listings per 10k households
19.5
49% above the U.S.
Population, 2025
1,170,070
+0.3% since 2020

See the dentists and orthodontists around any address in Contra Costa 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 Contra Costa County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Contra Costa County scores 32 (lower middle) on the Groundwork market score for dentists and orthodontists, ranking #1,591 of 1,886 scored counties and #34 of 51 scored counties in California. That puts it in the bottom quarter of counties.

Household spending on medical and dental services in Contra Costa County comes to about $680M a year: $1,641 per household, 27% above the U.S. average. That is about $839K of household spending for each practice on map listings, 15% below the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.

Contra Costa County has 810 dentists and orthodontists on map listings as of September 2026. 54 of them (7%) are chain locations, against 12% across the U.S. Per 10,000 households, that is 19.5, 49% above the U.S. rate of 13.1.

The official count of businesses with payroll classed as offices of dentists in Contra Costa County was 732 in 2023, up 1.1% from 2019. That is one for every 566 households, against one for every 952 across the U.S. Since fiscal 2022, 23 SBA-backed loans worth $22.3M have gone to businesses classed as offices of dentists in Contra Costa County. Population estimates put the population change in Contra Costa County from 2020 to 2025 at +0.3%, slower than the U.S. (+3.1%).

How Contra Costa 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.

Dentists and orthodontists in Contra Costa County, CA compared with California and the U.S.
MeasureContra Costa CountyCaliforniaU.S.
Listings per 10k households19.517.913.1
Spending per listing$839K$817K$984K
Households per official establishment566595952
Official establishment growth, 2019–2023+1.1%+1.8%−0.5%
Population growth, 2020–2025+0.3%−0.4%+3.1%
Spending per household on medical and dental services$1,641$1,464$1,288
Median household income$127,229$99,122$80,734
Groundwork market score3222

Official counts and lending

Businesses

Official establishments, 2019 to 2023
724 → 732+1.1% over the period
Employees, 2023
4,713
Annual payroll, 2023
$285.4M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
81054 chain locations
Listings at the U.S. rate for this spending
691The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
23
Amount
$22.3M

SBA-backed loans to businesses classed as offices of dentists in Contra Costa 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 Contra Costa County

Population, 2025 estimate
1,170,070+0.3% since 2020
Households
414,417
Median age
41.2
Homes lived in by their owners
68%
Vehicles per household
2.0
Land area
717 sq. mi.
People per square mile
1,625
Median household income
$127,229+27.6% vs. 2015–2019, before inflation
Average household income
$174,872
Median home value
$866,800
Jobs located here
382,994
Daytime population
1,022,844Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Contra Costa 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 Contra Costa County. Signed out, you see a blurred preview; on an account, each report is one action.

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Dentists 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 Contra Costa County marked.

Top counties in California

Counties in California ranked for dentists and orthodontists by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Yuba County, CA8972.4$5.1M+8.2%#9 of 1,886
2Amador County, CA72138.1$1.6M+3.2%#220 of 1,886
3San Benito County, CA672411.7$1.3M+8.6%#361 of 1,886
4Imperial County, CA63316.2$1.8M+1.1%#456 of 1,886
5Calaveras County, CA62168.7$1.5M+2.8%#504 of 1,886
6Lake County, CA60228.2$1.4M−0.6%#566 of 1,886
7Inyo County, CA5667.5$1.7M−4.4%#698 of 1,886
8Yolo County, CA519212.0$1.2M+3.1%#900 of 1,886
9Lassen County, CA5066.5$1.8M−13.1%#920 of 1,886
10Colusa County, CA5079.3$1.3M−0.1%#929 of 1,886
34Contra Costa County, CA3281019.5$839K+0.3%#1,591 of 1,886

Other business types in Contra Costa County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many dentists and orthodontists are in Contra Costa County, CA?

Map listings as of September 2026 show 810 dentists and orthodontists in Contra Costa County. 54 of them (7%) are chain locations. The listings count dental practices, orthodontists included. Official counts show 732 businesses with payroll classed as offices of dentists in 2023, up 1.1% from 2019.

How much do households in Contra Costa County, CA spend on medical and dental services?

About $680M a year, or $1,641 per household. That is 27% above the U.S. average (an index of 127, where 100 is the U.S. average). Spread across the 810 dentists and orthodontists on map listings, it comes to $839K 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 414,417 households in Contra Costa County and national spending patterns by income.

How does Contra Costa County, CA compare with the U.S. for dentists and orthodontists?

Contra Costa County has 19.5 dentists and orthodontists per 10,000 households, 49% above the U.S. rate of 13.1. Spending per practice is $839K, 15% below the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, Contra Costa County would have about 691, against 810 on map listings. There is one business with payroll in the industry for every 566 households, against one for every 952 across the U.S. The official count rose 1.1% from 2019 to 2023, against −0.5% for the U.S.

How fast is Contra Costa County, CA growing?

Population estimates put Contra Costa County at 1,170,070 people in 2025, up 0.3% since 2020, slower than the U.S. (+3.1%). It has 414,417 households. Median household income in Contra Costa County is $127,229, 58% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 27.6%, 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. Contra Costa County scores 32 for dentists and orthodontists (lower middle), #1,591 of 1,886 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Contra Costa 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 Contra Costa County

Screening a site or an acquisition in Contra Costa 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 Contra Costa 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.