Groundwork

Health care · County · Maryland

Dentists and orthodontists in St. Mary’s County, MD

How St. Mary’s County, MD compares with other counties and the U.S. for dentists and orthodontists: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 68 out of 100: Upper middle

Ranked #313 of 1,886 scored counties
#3 of 21 scored counties in Maryland

Listings
37
5 chain locations (14%)
Official establishments
31
−11.4% since 2019
Household spending a year
$59.6M
On medical and dental services · $1,405 a household
Spending per listing
$1.6M
64% above the U.S.
Listings per 10k households
8.7
34% below the U.S.
Population, 2025
116,692
+2.4% since 2020

See the dentists and orthodontists around any address in St. Mary’s 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 St. Mary’s 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

Household spending on medical and dental services in St. Mary’s County comes to about $59.6M a year: $1,405 per household, 9% above the U.S. average. That works out to $1.6M per practice, 64% above the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.

There are 37 dentists and orthodontists on map listings in St. Mary’s County as of September 2026. Chain locations make up 14% of them, against 12% across the U.S. That is 8.7 per 10,000 households, 34% below the U.S. rate of 13.1.

The official count of businesses with payroll classed as offices of dentists in St. Mary’s County was 31 in 2023, down 11.4% from 2019. That is one for every 1,369 households, against one for every 952 across the U.S.

Population estimates show St. Mary’s County grew 2.4% from 2020 to 2025, slower than the U.S. (+3.1%). For dentists and orthodontists, St. Mary’s County has a Groundwork market score of 68 (upper middle): #313 of 1,886 scored counties and #3 of 21 scored counties in Maryland. That puts it in the top quarter of counties.

How St. Mary’s County compares

The same measures for Maryland 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 St. Mary’s County, MD compared with Maryland and the U.S.
MeasureSt. Mary’s CountyMarylandU.S.
Listings per 10k households8.713.413.1
Spending per listing$1.6M$990K$984K
Households per official establishment1,369923952
Official establishment growth, 2019–2023−11.4%−1.9%−0.5%
Population growth, 2020–2025+2.4%+1.4%+3.1%
Spending per household on medical and dental services$1,405$1,322$1,288
Median household income$119,446$103,678$80,734
Groundwork market score6839

Official counts and lending

Businesses

Official establishments, 2019 to 2023
35 → 31−11.4% over the period
Employees, 2023
435
Annual payroll, 2023
$29.4M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
375 chain locations
Listings at the U.S. rate for this spending
61The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
0
Amount
$0

SBA-backed loans to businesses classed as offices of dentists in St. Mary’s 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 St. Mary’s County

Population, 2025 estimate
116,692+2.4% since 2020
Households
42,436
Median age
38.0
Homes lived in by their owners
73%
Vehicles per household
2.1
Land area
359 sq. mi.
People per square mile
321
Median household income
$119,446+33.0% vs. 2015–2019, before inflation
Average household income
$142,976
Median home value
$407,600
Jobs located here
35,732
Daytime population
104,060Residents who don’t work, plus everyone whose job is here

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

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Dentists and orthodontists across Maryland

Every Maryland market ranked →

The highest-scoring counties in Maryland for dentists and orthodontists, numbered among those based in Maryland, with St. Mary’s County marked.

Top counties in Maryland

Counties in Maryland ranked for dentists and orthodontists by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Dorchester County, MD7285.9$1.8M+3.4%#216 of 1,886
2Cecil County, MD70286.9$1.8M+3.2%#266 of 1,886
3St. Mary’s County, MD68378.7$1.6M+2.4%#313 of 1,886
4Baltimore city, MD621315.1$2.1M−2.3%#494 of 1,886
5Charles County, MD558113.3$1.1M+5.9%#773 of 1,886
6Queen Anne’s County, MD542412.1$1.1M+8.8%#801 of 1,886
7Calvert County, MD534212.6$1.2M+1.7%#827 of 1,886
8Harford County, MD5211311.1$1.2M+2.0%#863 of 1,886
9Frederick County, MD5214614.0$1M+11.0%#877 of 1,886
10Washington County, MD51549.0$1.3M+2.0%#895 of 1,886

Other business types in St. Mary’s County

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

Questions

How many dentists and orthodontists are in St. Mary’s County, MD?

As of September 2026, map listings count 37 dentists and orthodontists in St. Mary’s County. 5 of them (14%) are chain locations. The listings count dental practices, orthodontists included. Official counts show 31 businesses with payroll classed as offices of dentists in 2023, down 11.4% from 2019.

How much do households in St. Mary’s County, MD spend on medical and dental services?

About $59.6M a year, or $1,405 per household. That is 9% above the U.S. average (an index of 109, where 100 is the U.S. average). Spread across the 37 dentists and orthodontists on map listings, it comes to $1.6M 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 42,436 households in St. Mary’s County and national spending patterns by income.

How does St. Mary’s County, MD compare with the U.S. for dentists and orthodontists?

St. Mary’s County has 8.7 dentists and orthodontists per 10,000 households, 34% below the U.S. rate of 13.1. Spending per practice is $1.6M, 64% above the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, St. Mary’s County would have about 61, against 37 on map listings. There is one business with payroll in the industry for every 1,369 households, against one for every 952 across the U.S. The official count fell 11.4% from 2019 to 2023, against −0.5% for the U.S.

How fast is St. Mary’s County, MD growing?

Population estimates put St. Mary’s County at 116,692 people in 2025, up 2.4% since 2020, slower than the U.S. (+3.1%). It has 42,436 households. Median household income in St. Mary’s County is $119,446, 48% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 33.0%, 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. St. Mary’s County scores 68 for dentists and orthodontists (upper middle), #313 of 1,886 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in St. Mary’s 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 St. Mary’s County

Screening a site or an acquisition in St. Mary’s 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 St. Mary’s 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.