Groundwork

Auto · County · Louisiana

Auto repair and car care businesses in St. Martin Parish, LA

The auto repair and car care businesses in St. Martin Parish, LA, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 51 out of 100: Upper middle

Ranked #1,179 of 2,401 scored counties
#11 of 56 scored counties in Louisiana

Listings
59
14 chain locations (24%)
Official establishments
19
Businesses with payroll, 2023
Household spending a year
$16.7M
On vehicle maintenance and repairs · $853 a household
Spending per listing
$283K
5% above the U.S.
Listings per 10k households
30.1
16% below the U.S.
Population, 2025
51,106
−1.0% since 2020

See the auto repair and car care businesses around any address in St. Martin 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. Martin 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

Map listings as of September 2026 show 59 auto repair and car care businesses in St. Martin Parish. Of those, 14 are chain locations, or 24%, against 24% across the U.S. That is 30.1 per 10,000 households, 16% below the U.S. rate of 35.7.

Households in St. Martin Parish spend about $16.7M a year on vehicle maintenance and repairs, or $853 per household, 11% below the U.S. average. Spread across 59 auto repair and car care businesses, that is $283K per business, 5% above the U.S. figure of $269K.

In 2023, official counts showed 19 businesses with payroll in St. Martin Parish classed as automotive repair and maintenance, and tire dealers. That is one for every 1,030 households, against one for every 681 across the U.S. Official counts also show 90 one-person businesses without payroll.

Population estimates put the population change in St. Martin Parish from 2020 to 2025 at −1.0%, against +3.1% for the U.S. For auto repair and car care businesses, St. Martin Parish has a Groundwork market score of 51 (upper middle): #1,179 of 2,401 scored counties and #11 of 56 scored counties in Louisiana.

How St. Martin 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.

Auto repair and car care in St. Martin Parish, LA compared with Louisiana and the U.S.
MeasureSt. Martin ParishLouisianaU.S.
Listings per 10k households30.137.035.7
Spending per listing$283K$217K$269K
Households per official establishment1,030744681
Official establishment growth, 2019–2023n/a+4.3%+4.1%
Population growth, 2020–2025−1.0%−0.7%+3.1%
Spending per household on vehicle maintenance and repairs$853$802$958
Median household income$55,960$60,756$80,734
Groundwork market score5123

Official counts and lending

Businesses

Official establishments, 2019 to 2023
19 → 19
Employees, 2023
57
Annual payroll, 2023
$2.3M
One-person businesses, 2023
90Businesses with no payroll
Map listings, September 2026
5914 chain locations
Listings at the U.S. rate for this spending
62The 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. Martin 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. Martin Parish

Population, 2025 estimate
51,106−1.0% since 2020
Households
19,579
Median age
40.0
Homes lived in by their owners
78%
Vehicles per household
1.9
Land area
738 sq. mi.
People per square mile
70
Median household income
$55,960+15.0% vs. 2015–2019, before inflation
Average household income
$77,449
Median home value
$164,200
Jobs located here
13,916
Daytime population
42,150Residents who don’t work, plus everyone whose job is here

Looking at a specific site in St. Martin 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. Martin Parish. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Auto 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. Martin Parish marked.

Top counties in Louisiana

Counties in Louisiana ranked for auto repair and car care businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Grant Parish, LA691621.5$424K−0.3%#375 of 2,401
2Livingston Parish, LA6717131.9$287K+8.5%#479 of 2,401
3De Soto Parish, LA652725.7$333K+2.0%#529 of 2,401
4East Feliciana Parish, LA621726.6$356K−2.8%#651 of 2,401
5St. James Parish, LA611621.2$458K−5.9%#686 of 2,401
6St. Charles Parish, LA614926.3$362K−3.7%#689 of 2,401
7West Feliciana Parish, LA59922.4$414K−0.7%#765 of 2,401
8St. Helena Parish, LA59819.2$410K−1.2%#766 of 2,401
9Bienville Parish, LA571119.8$385K−5.0%#865 of 2,401
10Orleans Parish, LA5526316.9$360K−5.5%#954 of 2,401
11St. Martin Parish, LA515930.1$283K−1.0%#1,179 of 2,401

Other business types in St. Martin Parish

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

Questions

How many auto repair and car care businesses are in St. Martin Parish, LA?

There are 59 auto repair and car care businesses on map listings in St. Martin Parish as of September 2026. 14 of them (24%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 19 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023. Another 90 one-person businesses have no payroll, by official counts.

How much do households in St. Martin Parish, LA spend on vehicle maintenance and repairs?

About $16.7M a year, or $853 per household. That is 11% below the U.S. average (an index of 89, where 100 is the U.S. average). Spread across the 59 auto repair and car care businesses on map listings, it comes to $283K per business. It is estimated from the incomes of the 19,579 households in St. Martin Parish and national spending patterns by income.

How does St. Martin Parish, LA compare with the U.S. for auto repair and car care businesses?

St. Martin Parish has 30.1 auto repair and car care businesses per 10,000 households, 16% below the U.S. rate of 35.7. Spending per business is $283K, 5% above the U.S. figure of $269K. At the national ratio of auto repair and car care businesses to household spending, St. Martin Parish would have about 62, against 59 on map listings. There is one business with payroll in the industry for every 1,030 households, against one for every 681 across the U.S.

How fast is St. Martin Parish, LA growing?

Population estimates put St. Martin Parish at 51,106 people in 2025, down 1.0% since 2020, against +3.1% for the U.S. It has 19,579 households. Median household income in St. Martin Parish is $55,960, 31% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 15.0%, 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. Martin Parish scores 51 for auto repair and car care businesses (upper middle), #1,179 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. Martin 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. Martin Parish

Screening a site or an acquisition in St. Martin 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. Martin 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.