Auto · County · Louisiana
Auto repair shops in St. Mary Parish, LA
How St. Mary Parish, LA compares with other counties and the U.S. for auto repair shops: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 12 out of 100: Low
Ranked #2,353 of 2,378 scored counties
#52 of 54 scored counties in Louisiana
- Listings
- 48
- 4 chain locations (8%)
- Official establishments
- 23
- Businesses with payroll, 2023
- Household spending a year
- $14.1M
- On vehicle maintenance and repairs · $765 a household
- Spending per listing
- $294K
- 34% below the U.S.
- Listings per 10k households
- 26.0
- 21% above the U.S.
- Population, 2025
- 46,552
- −5.3% since 2020
See the auto repair shops around any address in St. Mary Parish
The site report maps the auto repair shops 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
For auto repair shops, St. Mary Parish has a Groundwork market score of 12 (low): #2,353 of 2,378 scored counties and #52 of 54 scored counties in Louisiana. That puts it in the bottom quarter of counties.
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. That works out to $294K per shop, 34% below the U.S. figure of $445K. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops.
St. Mary Parish has 48 auto repair shops on map listings as of September 2026. 4 of them (8%) are chain locations, against 16% across the U.S. That is 26.0 per 10,000 households, 21% above the U.S. rate of 21.5.
The official count of businesses with payroll classed as mechanical, body and glass repair in St. Mary Parish was 23 in 2023. That is one for every 803 households, against one for every 955 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 vehicle maintenance and repairs by the auto repair shops 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 | 26.0 | 21.4 | 21.5 |
| Spending per listing | $294K | $374K | $445K |
| Households per official establishment | 803 | 1,164 | 955 |
| Official establishment growth, 2019–2023 | n/a | +2.7% | +2.1% |
| 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 | 12 | 29 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 19 → 23
- Employees, 2023
- 78
- Annual payroll, 2023
- $4M
- One-person businesses, 2023
- 42Businesses with no payroll
- Map listings, September 2026
- 484 chain locations
- Listings at the U.S. rate for this spending
- 32The 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 mechanical, body and glass repair 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 shops 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 shops across Louisiana
Every Louisiana market ranked →The highest-scoring counties in Louisiana for auto repair shops, 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 |
|---|---|---|---|---|---|---|
| 1Livingston Parish, LA | 67 | 96 | 17.9 | $512K | +8.5% | #473 of 2,378 |
| 2East Feliciana Parish, LA | 66 | 7 | 10.9 | $864K | −2.8% | #482 of 2,378 |
| 3Grant Parish, LA | 64 | 12 | 16.1 | $565K | −0.3% | #560 of 2,378 |
| 4Jackson Parish, LA | 61 | 9 | 16.1 | $474K | +5.6% | #696 of 2,378 |
| 5St. Charles Parish, LA | 57 | 30 | 16.1 | $591K | −3.7% | #837 of 2,378 |
| 6Orleans Parish, LA | 55 | 151 | 9.7 | $627K | −5.5% | #932 of 2,378 |
| 7De Soto Parish, LA | 55 | 16 | 15.2 | $563K | +2.0% | #935 of 2,378 |
| 8Evangeline Parish, LA | 55 | 17 | 13.5 | $549K | −1.0% | #937 of 2,378 |
| 9Bossier Parish, LA | 55 | 95 | 18.7 | $460K | +2.5% | #959 of 2,378 |
| 10Ascension Parish, LA | 55 | 110 | 23.1 | $429K | +6.4% | #971 of 2,378 |
| 52St. Mary Parish, LA | 12 | 48 | 26.0 | $294K | −5.3% | #2,353 of 2,378 |
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
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many auto repair shops are in St. Mary Parish, LA?
Map listings as of September 2026 show 48 auto repair shops in St. Mary Parish. 4 of them (8%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 23 businesses with payroll classed as mechanical, body and glass repair in 2023. Official counts list 42 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 48 auto repair shops on map listings, it comes to $294K per shop. That spending covers all vehicle maintenance and repairs, which auto repair shops 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 auto repair shops?
St. Mary Parish has 26.0 auto repair shops per 10,000 households, 21% above the U.S. rate of 21.5. Spending per shop is $294K, 34% below the U.S. figure of $445K. At the U.S. ratio of auto repair shops to household spending, St. Mary Parish would have about 32, against 48 on map listings. There is one business with payroll in the industry for every 803 households, against one for every 955 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 12 for auto repair shops (low), #2,353 of 2,378 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 shops 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 shops · 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.