Groundwork

Health care · Metro area · New Jersey

Medical and dental practices in the Trenton-Princeton, NJ metro area

The medical and dental practices in the Trenton-Princeton, NJ metro area, the household spending behind them and how the market ranks against other metro areas.

Groundwork market score · out of 100

Score 44 out of 100: Lower middle

Ranked #240 of 387 scored metro areas
#3 of 3 scored metro areas based in New Jersey

Listings
1,380
198 chain locations (14%)
Official establishments
614
−4.1% since 2019
Household spending a year
$197.8M
On medical and dental services · $1,372 a household
Spending per listing
$143K
6% below the U.S.
Listings per 10k households
95.8
13% above the U.S.
Population, 2025
399,289
+3.3% since 2020

See the medical and dental practices around any address in the Trenton-Princeton metro area

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 the Trenton-Princeton metro area. 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

Households in the Trenton-Princeton metro area spend about $197.8M a year on medical and dental services, or $1,372 per household, 7% above the U.S. average. That is about $143K of household spending for each practice on map listings, 6% below the U.S. figure of $152K.

There are 1,380 medical and dental practices on map listings in the Trenton-Princeton metro area as of September 2026. Of those, 198 are chain locations, or 14%, against 11% across the U.S. That is 95.8 per 10,000 households, 13% above the U.S. rate of 84.5.

Official counts show 614 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in the Trenton-Princeton metro area in 2023, down 4.1% from 2019. That is one for every 235 households, against one for every 270 across the U.S. Another 360 one-person businesses have no payroll, by official counts. Since fiscal 2022, 5 SBA-backed loans worth $3.5M have gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in the Trenton-Princeton metro area.

Population estimates put the population change in the Trenton-Princeton metro area from 2020 to 2025 at +3.3%, in step with the U.S. (+3.1%). The Groundwork market score for medical and dental practices in the Trenton-Princeton metro area is 44 (lower middle), #240 of 387 scored metro areas and #3 of 3 scored metro areas based in New Jersey.

How the Trenton-Princeton metro area compares

The same measures for New Jersey 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.

Doctors, dentists and clinics in Trenton-Princeton, NJ metro area compared with New Jersey and the U.S.
MeasureTrenton-Princeton metro areaNew JerseyU.S.
Listings per 10k households95.894.084.5
Spending per listing$143K$147K$152K
Households per official establishment235213270
Official establishment growth, 2019–2023−4.1%−2.8%+1.5%
Population growth, 2020–2025+3.3%+3.0%+3.1%
Spending per household on medical and dental services$1,372$1,385$1,288
Median household income$100,645$103,556$80,734
Groundwork market score4439

Official counts and lending

Businesses

Official establishments, 2019 to 2023
614−4.1% over the period
Employees, 2023
5,797
Annual payroll, 2023
$462.3M
One-person businesses, 2023
360Businesses with no payroll
Map listings, September 2026
1,380198 chain locations
Listings at the U.S. rate for this spending
1,297The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
5
Amount
$3.5M

SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in the Trenton-Princeton metro area, 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 the Trenton-Princeton metro area

Population, 2025 estimate
399,289+3.3% since 2020
Households
144,114
Median age
40.4
Homes lived in by their owners
62%
Vehicles per household
1.6
Land area
225 sq. mi.
People per square mile
1,719
Median household income
$100,645+24.2% vs. 2015–2019, before inflation
Average household income
$142,372
Median home value
$377,700
Jobs located here
262,034
Daytime population
469,892Residents who don’t work, plus everyone whose job is here

Looking at a specific site in the Trenton-Princeton metro area?

These figures cover the whole metro area. 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 the Trenton-Princeton metro area. Signed out, you see a blurred preview; on an account, each report is one action.

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Doctors, dentists and clinics across New Jersey

Every New Jersey market ranked →

The highest-scoring metro areas in New Jersey for medical and dental practices, numbered among those based in New Jersey (a market based in another state is listed without a number), with the Trenton-Princeton metro area marked.

Top metro areas in New Jersey

Metro areas in New Jersey ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Atlantic City-Hammonton, NJ501,16175.2$163K+0.8%#192 of 387
2Vineland, NJ4938571.6$155K+2.2%#198 of 387
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD4721,55687.4$148K+1.4%#212 of 387
3Trenton-Princeton, NJ441,38095.8$143K+3.3%#240 of 387
New York-Newark-Jersey City, NY-NJ3868,43492.6$148K+0.6%#289 of 387
Allentown-Bethlehem-Easton, PA-NJ373,577105.3$117K+3.0%#307 of 387

Other business types in the Trenton-Princeton metro area

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

Questions

How many medical and dental practices are in the Trenton-Princeton, NJ metro area?

As of September 2026, map listings count 1,380 medical and dental practices in the Trenton-Princeton metro area. 198 of them (14%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 614 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 4.1% from 2019. Official counts list 360 one-person businesses without payroll.

How much do households in the Trenton-Princeton, NJ metro area spend on medical and dental services?

About $197.8M a year, or $1,372 per household. That is 7% above the U.S. average (an index of 107, where 100 is the U.S. average). Spread across the 1,380 medical and dental practices on map listings, it comes to $143K per practice. It is estimated from the incomes of the 144,114 households in the Trenton-Princeton metro area and national spending patterns by income.

How does the Trenton-Princeton, NJ metro area compare with the U.S. for medical and dental practices?

The Trenton-Princeton metro area has 95.8 medical and dental practices per 10,000 households, 13% above the U.S. rate of 84.5. Spending per practice is $143K, 6% below the U.S. figure of $152K. At the U.S. ratio of medical and dental practices to household spending, the Trenton-Princeton metro area would have about 1,297, against 1,380 on map listings. There is one business with payroll in the industry for every 235 households, against one for every 270 across the U.S. The official count fell 4.1% from 2019 to 2023, against +1.5% for the U.S.

How fast is the Trenton-Princeton, NJ metro area growing?

Population estimates put the Trenton-Princeton metro area at 399,289 people in 2025, up 3.3% since 2020, in step with the U.S. (+3.1%). It has 144,114 households. The median household income in the Trenton-Princeton metro area is $100,645 a year, 25% above the U.S. median of $80,734. That rose 24.2% 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. The Trenton-Princeton metro area scores 44 for medical and dental practices (lower middle), #240 of 387 scored metro areas.

How can I see the market around a specific site?

Run a Groundwork site report on an address in the Trenton-Princeton metro area. 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 the Trenton-Princeton metro area

Screening a site or an acquisition in the Trenton-Princeton metro area?

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 the Trenton-Princeton metro area. 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.