Groundwork

Health care · County · California

Dentists and orthodontists in Orange County, CA

Competitor counts, household spending and official business counts for dentists and orthodontists in Orange County, CA, set against other counties and the U.S.

Groundwork market score · out of 100

Score 24 out of 100: Low

Ranked #1,784 of 1,886 scored counties
#48 of 51 scored counties in California

Listings
2,891
241 chain locations (8%)
Official establishments
2,876
+3.6% since 2019
Household spending a year
$1.7B
On medical and dental services · $1,573 a household
Spending per listing
$589K
40% below the U.S.
Listings per 10k households
26.7
Twice the U.S.
Population, 2025
3,149,507
−1.1% since 2020

See the dentists and orthodontists around any address in Orange 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 Orange 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

For dentists and orthodontists, Orange County has a Groundwork market score of 24 (low): #1,784 of 1,886 scored counties and #48 of 51 scored counties in California. That puts it in the bottom quarter of counties.

Household spending on medical and dental services in Orange County comes to about $1.7B a year: $1,573 per household, 22% above the U.S. average. Spread across 2,891 dentists and orthodontists, that is $589K per practice, 40% below the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.

There are 2,891 dentists and orthodontists on map listings in Orange County as of September 2026. Of those, 241 are chain locations, or 8%, against 12% across the U.S. That is 26.7 per 10,000 households, twice the U.S. rate of 13.1.

The official count of businesses with payroll classed as offices of dentists in Orange County was 2,876 in 2023, up 3.6% from 2019. That is one for every 377 households, against one for every 952 across the U.S. Since fiscal 2022, 70 SBA-backed loans worth $80.4M have gone to businesses classed as offices of dentists in Orange County. Population estimates show Orange County declined 1.1% from 2020 to 2025, against +3.1% for the U.S.

How Orange 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 Orange County, CA compared with California and the U.S.
MeasureOrange CountyCaliforniaU.S.
Listings per 10k households26.717.913.1
Spending per listing$589K$817K$984K
Households per official establishment377595952
Official establishment growth, 2019–2023+3.6%+1.8%−0.5%
Population growth, 2020–2025−1.1%−0.4%+3.1%
Spending per household on medical and dental services$1,573$1,464$1,288
Median household income$116,289$99,122$80,734
Groundwork market score2422

Official counts and lending

Businesses

Official establishments, 2019 to 2023
2,777 → 2,876+3.6% over the period
Employees, 2023
15,947
Annual payroll, 2023
$830.8M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
2,891241 chain locations
Listings at the U.S. rate for this spending
1,732The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
70
Amount
$80.4M

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

Population, 2025 estimate
3,149,507−1.1% since 2020
Households
1,082,960
Median age
40.6
Homes lived in by their owners
56%
Vehicles per household
2.0
Land area
793 sq. mi.
People per square mile
3,991
Median household income
$116,289+28.9% vs. 2015–2019, before inflation
Average household income
$156,761
Median home value
$962,600
Jobs located here
1,713,003
Daytime population
3,381,147Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Orange 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 Orange 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 Orange 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
48Orange County, CA242,89126.7$589K−1.1%#1,784 of 1,886

Other business types in Orange County

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

Questions

How many dentists and orthodontists are in Orange County, CA?

As of September 2026, map listings count 2,891 dentists and orthodontists in Orange County. 241 of them (8%) are chain locations. The listings count dental practices, orthodontists included. Official counts show 2,876 businesses with payroll classed as offices of dentists in 2023, up 3.6% from 2019.

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

About $1.7B a year, or $1,573 per household. That is 22% above the U.S. average (an index of 122, where 100 is the U.S. average). Spread across the 2,891 dentists and orthodontists on map listings, it comes to $589K 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 1,082,960 households in Orange County and national spending patterns by income.

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

Orange County has 26.7 dentists and orthodontists per 10,000 households, twice the U.S. rate of 13.1. Spending per practice is $589K, 40% below the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, Orange County would have about 1,732, against 2,891 on map listings. There is one business with payroll in the industry for every 377 households, against one for every 952 across the U.S. The official count rose 3.6% from 2019 to 2023, against −0.5% for the U.S.

How fast is Orange County, CA growing?

Population estimates put Orange County at 3,149,507 people in 2025, down 1.1% since 2020, against +3.1% for the U.S. It has 1,082,960 households. Median household income in Orange County is $116,289, 44% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 28.9%, 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. Orange County scores 24 for dentists and orthodontists (low), #1,784 of 1,886 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Orange 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 Orange County

Screening a site or an acquisition in Orange 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 Orange 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.