Groundwork

Health care · County · Louisiana

Medical and dental practices in St. Mary Parish, LA

Competitor counts, household spending and official business counts for medical and dental practices in St. Mary Parish, LA, set against other counties and the U.S.

Groundwork market score · out of 100

Score 30 out of 100: Lower middle

Ranked #2,077 of 2,394 scored counties
#36 of 55 scored counties in Louisiana

Listings
98
11 chain locations (11%)
Official establishments
41
−12.8% since 2019
Household spending a year
$17.4M
On medical and dental services · $943 a household
Spending per listing
$178K
16% above the U.S.
Listings per 10k households
53.1
37% below the U.S.
Population, 2025
46,552
−5.3% since 2020

See the medical and dental practices around any address in St. Mary Parish

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 St. Mary Parish. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

For medical and dental practices, St. Mary Parish has a Groundwork market score of 30 (lower middle): #2,077 of 2,394 scored counties and #36 of 55 scored counties in Louisiana. That puts it in the bottom quarter of counties.

Map listings as of September 2026 show 98 medical and dental practices in St. Mary Parish. 11 of them (11%) are chain locations, against 11% across the U.S. That comes to 53.1 for every 10,000 households, 37% below the U.S. rate of 84.5.

At $943 per household (27% below the U.S. average), households in St. Mary Parish spend about $17.4M a year on medical and dental services. That is about $178K of household spending for each practice on map listings, 16% above the U.S. figure of $152K.

The official count of businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in St. Mary Parish was 41 in 2023, down 12.8% from 2019. That is one for every 450 households, against one for every 270 across the U.S. Between 2020 and 2025, the population of St. Mary Parish declined 5.3%, against +3.1% for the U.S.

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 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 St. Mary Parish, LA compared with Louisiana and the U.S.
MeasureSt. Mary ParishLouisianaU.S.
Listings per 10k households53.178.584.5
Spending per listing$178K$132K$152K
Households per official establishment450282270
Official establishment growth, 2019–2023−12.8%−2.7%+1.5%
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 score3015

Official counts and lending

Businesses

Official establishments, 2019 to 2023
47 → 41−12.8% over the period
Employees, 2023
282
Annual payroll, 2023
$13.8M
One-person businesses, 2023
18Businesses with no payroll
Map listings, September 2026
9811 chain locations
Listings at the U.S. rate for this spending
114The 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 physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers 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 medical and dental practices 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 card

Doctors, dentists and clinics across Louisiana

Every Louisiana market ranked →

The highest-scoring counties in Louisiana for medical and dental practices, numbered among those based in Louisiana, with St. Mary Parish marked.

Top counties in Louisiana

Counties in Louisiana ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1West Baton Rouge Parish, LA695146.5$243K+5.5%#388 of 2,394
2St. Bernard Parish, LA685433.3$304K+4.1%#407 of 2,394
3Livingston Parish, LA6724645.9$241K+8.5%#457 of 2,394
4De Soto Parish, LA662624.8$390K+2.0%#467 of 2,394
5LaSalle Parish, LA651733.7$308K+2.2%#528 of 2,394
6Winn Parish, LA651531.3$296K+9.1%#532 of 2,394
7Jackson Parish, LA641323.3$385K+5.6%#564 of 2,394
8Plaquemines Parish, LA642631.6$368K−5.3%#565 of 2,394
9Grant Parish, LA6268.1$1.3M−0.3%#637 of 2,394
10East Feliciana Parish, LA591320.3$545K−2.8%#766 of 2,394
36St. Mary Parish, LA309853.1$178K−5.3%#2,077 of 2,394

Other business types in St. Mary Parish

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

Questions

How many medical and dental practices are in St. Mary Parish, LA?

There are 98 medical and dental practices on map listings in St. Mary Parish as of September 2026. 11 of them (11%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 41 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 12.8% from 2019. Official counts also show 18 one-person businesses without payroll.

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 98 medical and dental practices on map listings, it comes to $178K per practice. 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 medical and dental practices?

St. Mary Parish has 53.1 medical and dental practices per 10,000 households, 37% below the U.S. rate of 84.5. Spending per practice is $178K, 16% above the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, St. Mary Parish would have about 114, against 98 on map listings. There is one business with payroll in the industry for every 450 households, against one for every 270 across the U.S. The official count fell 12.8% from 2019 to 2023, against +1.5% for 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 30 for medical and dental practices (lower middle), #2,077 of 2,394 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 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 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.