Health care · County · Louisiana
Dentists and orthodontists in St. Mary Parish, LA
The dentists and orthodontists in St. Mary Parish, LA, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 47 out of 100: Lower middle
Ranked #1,029 of 1,886 scored counties
#13 of 42 scored counties in Louisiana
- Listings
- 9
- 0 chain locations (0%)
- Official establishments
- 12
- Businesses with payroll, 2023
- Household spending a year
- $17.4M
- On medical and dental services · $943 a household
- Spending per listing
- $1.9M
- 97% above the U.S.
- Listings per 10k households
- 4.9
- 63% below the U.S.
- Population, 2025
- 46,552
- −5.3% since 2020
See the dentists and orthodontists around any address in St. Mary Parish
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 Parish. 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
Household spending on medical and dental services in St. Mary Parish comes to about $17.4M a year: $943 per household, 27% below the U.S. average. That is about $1.9M of household spending for each practice on map listings, 97% above the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.
There are 9 dentists and orthodontists on map listings in St. Mary Parish as of September 2026. None of them are chain locations, against 12% across the U.S. Per 10,000 households, that is 4.9, 63% below the U.S. rate of 13.1.
The official count of businesses with payroll classed as offices of dentists in St. Mary Parish was 12 in 2023. That is one for every 1,539 households, against one for every 952 across the U.S.
Between 2020 and 2025, the population of St. Mary Parish declined 5.3%, against +3.1% for the U.S. For dentists and orthodontists, St. Mary Parish has a Groundwork market score of 47 (lower middle): #1,029 of 1,886 scored counties and #13 of 42 scored counties in Louisiana.
How St. Mary Parish compares
The same measures for Louisiana 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.
| Measure | St. Mary Parish | Louisiana | U.S. |
|---|---|---|---|
| Listings per 10k households | 4.9 | 11.0 | 13.1 |
| Spending per listing | $1.9M | $942K | $984K |
| Households per official establishment | 1,539 | 1,146 | 952 |
| Official establishment growth, 2019–2023 | n/a | −0.8% | −0.5% |
| Population growth, 2020–2025 | −5.3% | −0.7% | +3.1% |
| Spending per household on medical and dental services | $943 | $1,036 | $1,288 |
| Median household income | $52,576 | $60,756 | $80,734 |
| Groundwork market score | 47 | 24 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 12 → 12
- Employees, 2023
- 72
- Annual payroll, 2023
- $3.3M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 90 chain locations
- Listings at the U.S. rate for this spending
- 18The 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 Parish, 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 Parish
- Population, 2025 estimate
- 46,552−5.3% since 2020
- Households
- 18,463
- Median age
- 39.8
- Homes lived in by their owners
- 69%
- Vehicles per household
- 1.6
- Land area
- 559 sq. mi.
- People per square mile
- 86
- Median household income
- $52,576+29.9% vs. 2015–2019, before inflation
- Average household income
- $71,245
- Median home value
- $138,900
- Jobs located here
- 20,344
- Daytime population
- 47,916Residents who don’t work, plus everyone whose job is here
Looking at a specific site in St. Mary Parish?
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 Parish. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardDentists and orthodontists across Louisiana
Every Louisiana market ranked →The highest-scoring counties in Louisiana for dentists and orthodontists, numbered among those based in Louisiana, with St. Mary Parish marked.
Top counties in Louisiana
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1St. Bernard Parish, LA | 77 | 6 | 3.7 | $2.7M | +4.1% | #110 of 1,886 |
| 2West Baton Rouge Parish, LA | 74 | 7 | 6.4 | $1.8M | +5.5% | #179 of 1,886 |
| 3Beauregard Parish, LA | 66 | 5 | 3.6 | $2.9M | +0.2% | #367 of 1,886 |
| 4St. Martin Parish, LA | 62 | 10 | 5.1 | $1.9M | −1.0% | #496 of 1,886 |
| 5Livingston Parish, LA | 62 | 48 | 9.0 | $1.2M | +8.5% | #515 of 1,886 |
| 6Jefferson Davis Parish, LA | 61 | 6 | 5.0 | $2M | −2.4% | #522 of 1,886 |
| 7Avoyelles Parish, LA | 59 | 5 | 3.5 | $2.5M | −4.3% | #591 of 1,886 |
| 8Washington Parish, LA | 59 | 7 | 4.0 | $2.3M | −0.9% | #592 of 1,886 |
| 9Iberville Parish, LA | 52 | 7 | 6.2 | $1.6M | −1.6% | #839 of 1,886 |
| 10Vernon Parish, LA | 50 | 5 | 2.7 | $3.6M | −7.3% | #919 of 1,886 |
| 13St. Mary Parish, LA | 47 | 9 | 4.9 | $1.9M | −5.3% | #1,029 of 1,886 |
Other business types in St. Mary Parish
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 clinics30
- Dentists and orthodontists47
- Primary care and pediatrics30
- Urgent care and walk-in clinics
- Chiropractors
- Physical therapy44
- Optometrists and eye care33
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many dentists and orthodontists are in St. Mary Parish, LA?
As of September 2026, map listings count 9 dentists and orthodontists in St. Mary Parish. None of them are chain locations. The listings count dental practices, orthodontists included. Official counts show 12 businesses with payroll classed as offices of dentists in 2023.
How much do households in St. Mary Parish, LA spend on medical and dental services?
About $17.4M a year, or $943 per household. That is 27% below the U.S. average (an index of 73, where 100 is the U.S. average). Spread across the 9 dentists and orthodontists on map listings, it comes to $1.9M 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 18,463 households in St. Mary Parish and national spending patterns by income.
How does St. Mary Parish, LA compare with the U.S. for dentists and orthodontists?
St. Mary Parish has 4.9 dentists and orthodontists per 10,000 households, 63% below the U.S. rate of 13.1. Spending per practice is $1.9M, 97% above the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, St. Mary Parish would have about 18, against 9 on map listings. There is one business with payroll in the industry for every 1,539 households, against one for every 952 across the U.S.
How fast is St. Mary Parish, LA growing?
Population estimates put St. Mary Parish at 46,552 people in 2025, down 5.3% since 2020, against +3.1% for the U.S. It has 18,463 households. Median household income in St. Mary Parish is $52,576, 35% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.9%, 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. St. Mary Parish scores 47 for dentists and orthodontists (lower middle), #1,029 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 Parish. 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 Parish
Screening a site or an acquisition in St. Mary Parish?
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 Parish. 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.