Auto · County · Louisiana
Auto repair and car care businesses in St. Mary Parish, LA
How St. Mary Parish, LA compares with other counties and the U.S. for auto repair and car care businesses: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 6 out of 100: Very low
Ranked #2,398 of 2,401 scored counties
#56 of 56 scored counties in Louisiana
- Listings
- 84
- 23 chain locations (27%)
- Official establishments
- 40
- +29.0% since 2019
- Household spending a year
- $14.1M
- On vehicle maintenance and repairs · $765 a household
- Spending per listing
- $168K
- 37% below the U.S.
- Listings per 10k households
- 45.5
- 27% above the U.S.
- Population, 2025
- 46,552
- −5.3% since 2020
See the auto repair and car care businesses around any address in St. Mary Parish
The site report maps the auto repair and car care businesses 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
The Groundwork market score for auto repair and car care businesses in St. Mary Parish is 6 (very low), #2,398 of 2,401 scored counties and #56 of 56 scored counties in Louisiana. That puts it in the bottom quarter of counties.
As of September 2026, map listings count 84 auto repair and car care businesses in St. Mary Parish. 23 of them (27%) are chain locations, against 24% across the U.S. That is 45.5 per 10,000 households, 27% above the U.S. rate of 35.7.
Household spending on vehicle maintenance and repairs in St. Mary Parish comes to about $14.1M a year: $765 per household, 20% below the U.S. average. Spread across 84 auto repair and car care businesses, that is $168K per business, 37% below the U.S. figure of $269K.
The official count of businesses with payroll classed as automotive repair and maintenance, and tire dealers in St. Mary Parish was 40 in 2023, up 29.0% from 2019. That is one for every 462 households, against one for every 681 across the U.S. Population estimates show St. Mary Parish declined 5.3% from 2020 to 2025, 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 vehicle maintenance and repairs by the auto repair and car care businesses 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 | 45.5 | 37.0 | 35.7 |
| Spending per listing | $168K | $217K | $269K |
| Households per official establishment | 462 | 744 | 681 |
| Official establishment growth, 2019–2023 | +29.0% | +4.3% | +4.1% |
| Population growth, 2020–2025 | −5.3% | −0.7% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $765 | $802 | $958 |
| Median household income | $52,576 | $60,756 | $80,734 |
| Groundwork market score | 6 | 23 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 31 → 40+29.0% over the period
- Employees, 2023
- 160
- Annual payroll, 2023
- $7.5M
- One-person businesses, 2023
- 63Businesses with no payroll
- Map listings, September 2026
- 8423 chain locations
- Listings at the U.S. rate for this spending
- 53The 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 automotive repair and maintenance, and tire dealers 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 auto repair and car care businesses 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 cardAuto repair and car care across Louisiana
Every Louisiana market ranked →The highest-scoring counties in Louisiana for auto repair and car care businesses, 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 |
|---|---|---|---|---|---|---|
| 1Grant Parish, LA | 69 | 16 | 21.5 | $424K | −0.3% | #375 of 2,401 |
| 2Livingston Parish, LA | 67 | 171 | 31.9 | $287K | +8.5% | #479 of 2,401 |
| 3De Soto Parish, LA | 65 | 27 | 25.7 | $333K | +2.0% | #529 of 2,401 |
| 4East Feliciana Parish, LA | 62 | 17 | 26.6 | $356K | −2.8% | #651 of 2,401 |
| 5St. James Parish, LA | 61 | 16 | 21.2 | $458K | −5.9% | #686 of 2,401 |
| 6St. Charles Parish, LA | 61 | 49 | 26.3 | $362K | −3.7% | #689 of 2,401 |
| 7West Feliciana Parish, LA | 59 | 9 | 22.4 | $414K | −0.7% | #765 of 2,401 |
| 8St. Helena Parish, LA | 59 | 8 | 19.2 | $410K | −1.2% | #766 of 2,401 |
| 9Bienville Parish, LA | 57 | 11 | 19.8 | $385K | −5.0% | #865 of 2,401 |
| 10Orleans Parish, LA | 55 | 263 | 16.9 | $360K | −5.5% | #954 of 2,401 |
| 56St. Mary Parish, LA | 6 | 84 | 45.5 | $168K | −5.3% | #2,398 of 2,401 |
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
- Auto repair and car care6
- Auto repair shops12
- Collision repair and body shops36
- Car washes and detailing8
- Tire shops5
- Oil change and quick lube
- Gas stations19
- Insurance agencies35
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many auto repair and car care businesses are in St. Mary Parish, LA?
St. Mary Parish has 84 auto repair and car care businesses on map listings as of September 2026. 23 of them (27%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 40 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, up 29.0% from 2019. Official counts list 63 one-person businesses without payroll.
How much do households in St. Mary Parish, LA spend on vehicle maintenance and repairs?
About $14.1M a year, or $765 per household. That is 20% below the U.S. average (an index of 80, where 100 is the U.S. average). Spread across the 84 auto repair and car care businesses on map listings, it comes to $168K per business. 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 auto repair and car care businesses?
St. Mary Parish has 45.5 auto repair and car care businesses per 10,000 households, 27% above the U.S. rate of 35.7. Spending per business is $168K, 37% below the U.S. figure of $269K. At the national ratio of auto repair and car care businesses to household spending, St. Mary Parish would have about 53, against 84 on map listings. There is one business with payroll in the industry for every 462 households, against one for every 681 across the U.S. The official count rose 29.0% from 2019 to 2023, against +4.1% 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 6 for auto repair and car care businesses (very low), #2,398 of 2,401 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 auto repair and car care businesses 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 auto repair and car care businesses · 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.