Health care · County · Louisiana
Dentists and orthodontists in St. Tammany Parish, LA
How St. Tammany Parish, LA 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 28 out of 100: Lower middle
Ranked #1,706 of 1,886 scored counties
#30 of 42 scored counties in Louisiana
- Listings
- 178
- 26 chain locations (15%)
- Official establishments
- 141
- +1.4% since 2019
- Household spending a year
- $123.3M
- On medical and dental services · $1,174 a household
- Spending per listing
- $693K
- 30% below the U.S.
- Listings per 10k households
- 16.9
- 29% above the U.S.
- Population, 2025
- 279,108
- +5.3% since 2020
See the dentists and orthodontists around any address in St. Tammany 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. Tammany 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
St. Tammany Parish scores 28 (lower middle) on the Groundwork market score for dentists and orthodontists, ranking #1,706 of 1,886 scored counties and #30 of 42 scored counties in Louisiana. That puts it in the bottom quarter of counties.
Household spending on medical and dental services in St. Tammany Parish comes to about $123.3M a year: $1,174 per household, 9% below the U.S. average. That is about $693K of household spending for each practice on map listings, 30% below the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.
St. Tammany Parish has 178 dentists and orthodontists on map listings as of September 2026. 26 of them (15%) are chain locations, against 12% across the U.S. That comes to 16.9 for every 10,000 households, 29% above the U.S. rate of 13.1.
The official count of businesses with payroll classed as offices of dentists in St. Tammany Parish was 141 in 2023, up 1.4% from 2019. That is one for every 745 households, against one for every 952 across the U.S. Population estimates show St. Tammany Parish grew 5.3% from 2020 to 2025, faster than the U.S. (+3.1%).
How St. Tammany 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. Tammany Parish | Louisiana | U.S. |
|---|---|---|---|
| Listings per 10k households | 16.9 | 11.0 | 13.1 |
| Spending per listing | $693K | $942K | $984K |
| Households per official establishment | 745 | 1,146 | 952 |
| Official establishment growth, 2019–2023 | +1.4% | −0.8% | −0.5% |
| Population growth, 2020–2025 | +5.3% | −0.7% | +3.1% |
| Spending per household on medical and dental services | $1,174 | $1,036 | $1,288 |
| Median household income | $81,202 | $60,756 | $80,734 |
| Groundwork market score | 28 | 24 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 139 → 141+1.4% over the period
- Employees, 2023
- 1,136
- Annual payroll, 2023
- $60M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 17826 chain locations
- Listings at the U.S. rate for this spending
- 125The 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. Tammany 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. Tammany Parish
- Population, 2025 estimate
- 279,108+5.3% since 2020
- Households
- 105,082
- Median age
- 41.5
- Homes lived in by their owners
- 79%
- Vehicles per household
- 1.9
- Land area
- 845 sq. mi.
- People per square mile
- 322
- Median household income
- $81,202+17.9% vs. 2015–2019, before inflation
- Average household income
- $109,896
- Median home value
- $284,000
- Jobs located here
- 97,233
- Daytime population
- 260,408Residents who don’t work, plus everyone whose job is here
Looking at a specific site in St. Tammany 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. Tammany 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. Tammany 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 |
| 30St. Tammany Parish, LA | 28 | 178 | 16.9 | $693K | +5.3% | #1,706 of 1,886 |
Other business types in St. Tammany 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 orthodontists28
- Primary care and pediatrics36
- Urgent care and walk-in clinics28
- Chiropractors42
- Physical therapy33
- Optometrists and eye care43
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many dentists and orthodontists are in St. Tammany Parish, LA?
Map listings as of September 2026 show 178 dentists and orthodontists in St. Tammany Parish. 26 of them (15%) are chain locations. The listings count dental practices, orthodontists included. Official counts show 141 businesses with payroll classed as offices of dentists in 2023, up 1.4% from 2019.
How much do households in St. Tammany Parish, LA spend on medical and dental services?
About $123.3M a year, or $1,174 per household. That is 9% below the U.S. average (an index of 91, where 100 is the U.S. average). Spread across the 178 dentists and orthodontists on map listings, it comes to $693K 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 105,082 households in St. Tammany Parish and national spending patterns by income.
How does St. Tammany Parish, LA compare with the U.S. for dentists and orthodontists?
St. Tammany Parish has 16.9 dentists and orthodontists per 10,000 households, 29% above the U.S. rate of 13.1. Spending per practice is $693K, 30% below the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, St. Tammany Parish would have about 125, against 178 on map listings. There is one business with payroll in the industry for every 745 households, against one for every 952 across the U.S. The official count rose 1.4% from 2019 to 2023, against −0.5% for the U.S.
How fast is St. Tammany Parish, LA growing?
Population estimates put St. Tammany Parish at 279,108 people in 2025, up 5.3% since 2020, faster than the U.S. (+3.1%). It has 105,082 households. Median household income in St. Tammany Parish is $81,202, in line with the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 17.9%, 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. Tammany Parish scores 28 for dentists and orthodontists (lower middle), #1,706 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. Tammany 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. Tammany Parish
Screening a site or an acquisition in St. Tammany 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. Tammany 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.