Groundwork

Groceries and convenience · County · Louisiana

Grocery and convenience stores in St. Martin Parish, LA

Competitor counts, household spending and official business counts for grocery and convenience stores in St. Martin Parish, LA, set against other counties and the U.S.

Groundwork market score · out of 100

Score 20 out of 100: Low

Ranked #2,218 of 2,402 scored counties
#39 of 56 scored counties in Louisiana

Listings
65
14 chain locations (22%)
Official establishments
18
Businesses with payroll, 2023
Household spending a year
$108.6M
On groceries · $5,549 a household
Spending per listing
$1.7M
51% below the U.S.
Listings per 10k households
33.2
78% above the U.S.
Population, 2025
51,106
−1.0% since 2020

See the grocery and convenience stores around any address in St. Martin Parish

The site report maps the grocery and convenience stores 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

St. Martin Parish scores 20 (low) on the Groundwork market score for grocery and convenience stores, ranking #2,218 of 2,402 scored counties and #39 of 56 scored counties in Louisiana. That puts it in the bottom quarter of counties.

Map listings as of September 2026 show 65 grocery and convenience stores in St. Martin Parish. Chain locations make up 22% of them, against 42% across the U.S. Per 10,000 households, that is 33.2, 78% above the U.S. rate of 18.7.

Household spending on groceries in St. Martin Parish comes to about $108.6M a year: $5,549 per household, 12% below the U.S. average. That is about $1.7M of household spending for each store on map listings, 51% below the U.S. figure of $3.4M.

Official counts show 18 businesses with payroll classed as grocery and convenience stores in St. Martin Parish in 2023. That is one for every 1,088 households, against one for every 1,293 across the U.S. Between 2020 and 2025, the population of St. Martin Parish declined 1.0%, against +3.1% for the U.S.

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 groceries by the grocery and convenience stores counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Grocery and convenience stores in St. Martin Parish, LA compared with Louisiana and the U.S.
MeasureSt. Martin ParishLouisianaU.S.
Listings per 10k households33.225.118.7
Spending per listing$1.7M$2.3M$3.4M
Households per official establishment1,0881,2101,293
Official establishment growth, 2019–2023n/a+8.6%+7.2%
Population growth, 2020–2025−1.0%−0.7%+3.1%
Spending per household on groceries$5,549$5,704$6,319
Median household income$55,960$60,756$80,734
Groundwork market score2012

Official counts and lending

Businesses

Official establishments, 2019 to 2023
19 → 18
Employees, 2023
463
Annual payroll, 2023
$10.2M
One-person businesses, 2023
11Businesses with no payroll
Map listings, September 2026
6514 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 grocery and convenience stores 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 grocery and convenience stores 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

Grocery and convenience stores across Louisiana

Every Louisiana market ranked →

The highest-scoring counties in Louisiana for grocery and convenience stores, numbered among those based in Louisiana, with St. Martin Parish marked.

Top counties in Louisiana

Counties in Louisiana ranked for grocery and convenience stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1St. Tammany Parish, LA7318918.0$3.5M+5.3%#366 of 2,402
2Livingston Parish, LA6712523.3$2.6M+8.5%#546 of 2,402
3Bossier Parish, LA658616.9$3.5M+2.5%#591 of 2,402
4Ascension Parish, LA6410321.6$3M+6.4%#645 of 2,402
5De Soto Parish, LA542120.0$2.7M+2.0%#1,039 of 2,402
6East Feliciana Parish, LA521015.6$3.8M−2.8%#1,102 of 2,402
7Beauregard Parish, LA523424.7$2.4M+0.2%#1,141 of 2,402
8West Baton Rouge Parish, LA503027.3$2.3M+5.5%#1,221 of 2,402
9Lafourche Parish, LA478221.7$2.6M−2.0%#1,324 of 2,402
10Tangipahoa Parish, LA4514026.9$2.1M+5.8%#1,408 of 2,402
39St. Martin Parish, LA206533.2$1.7M−1.0%#2,218 of 2,402

Other business types in St. Martin Parish

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

Questions

How many grocery and convenience stores are in St. Martin Parish, LA?

There are 65 grocery and convenience stores on map listings in St. Martin Parish as of September 2026. 14 of them (22%) are chain locations. The listings count grocery, convenience and specialty food stores. Official counts show 18 businesses with payroll classed as grocery and convenience stores in 2023. Official counts list 11 one-person businesses without payroll.

How much do households in St. Martin Parish, LA spend on groceries?

About $108.6M a year, or $5,549 per household. That is 12% below the U.S. average (an index of 88, where 100 is the U.S. average). Spread across the 65 grocery and convenience stores on map listings, it comes to $1.7M per store. 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 grocery and convenience stores?

St. Martin Parish has 33.2 grocery and convenience stores per 10,000 households, 78% above the U.S. rate of 18.7. Spending per store is $1.7M, 51% below the U.S. figure of $3.4M. At the national ratio of grocery and convenience stores to household spending, St. Martin Parish would have about 32, against 65 on map listings. There is one business with payroll in the industry for every 1,088 households, against one for every 1,293 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 20 for grocery and convenience stores (low), #2,218 of 2,402 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 grocery and convenience stores 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 grocery and convenience stores · 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.