Groundwork

Groceries and convenience · County · Louisiana

Grocery stores in St. Martin Parish, LA

How St. Martin Parish, LA compares with other counties and the U.S. for grocery stores: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 21 out of 100: Low

Ranked #1,866 of 2,070 scored counties
#37 of 52 scored counties in Louisiana

Listings
21
4 chain locations (19%)
Official establishments
12
Businesses with payroll, 2023
Household spending a year
$108.6M
On groceries · $5,549 a household
Spending per listing
$5.2M
44% below the U.S.
Listings per 10k households
10.7
57% above the U.S.
Population, 2025
51,106
−1.0% since 2020

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

The site report maps the grocery 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

For grocery stores, St. Martin Parish has a Groundwork market score of 21 (low): #1,866 of 2,070 scored counties and #37 of 52 scored counties in Louisiana. That puts it in the bottom quarter of counties.

As of September 2026, map listings count 21 grocery stores in St. Martin Parish. Chain locations make up 19% of them, against 37% across the U.S. That comes to 10.7 for every 10,000 households, 57% above the U.S. rate of 6.8.

At $5,549 per household (12% below the U.S. average), households in St. Martin Parish spend about $108.6M a year on groceries. That works out to $5.2M per store, 44% below the U.S. figure of $9.3M. That spending covers all groceries, which grocery stores share with other businesses in the trade.

In 2023, official counts showed 12 businesses with payroll in St. Martin Parish classed as supermarkets and grocery stores. That is one for every 1,632 households, against one for every 2,053 across the U.S. Population estimates show St. Martin Parish declined 1.0% from 2020 to 2025, 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 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 stores in St. Martin Parish, LA compared with Louisiana and the U.S.
MeasureSt. Martin ParishLouisianaU.S.
Listings per 10k households10.78.76.8
Spending per listing$5.2M$6.5M$9.3M
Households per official establishment1,6322,0372,053
Official establishment growth, 2019–2023n/a−0.7%0.0%
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 score2111

Official counts and lending

Businesses

Official establishments, 2019 to 2023
14 → 12
Employees, 2023
444
Annual payroll, 2023
$9.8M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
214 chain locations
Listings at the U.S. rate for this spending
12The 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 supermarkets and grocery 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 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 stores across Louisiana

Every Louisiana market ranked →

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

Top counties in Louisiana

Counties in Louisiana ranked for grocery stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Beauregard Parish, LA7453.6$16M+0.2%#308 of 2,070
2St. Tammany Parish, LA71646.1$10.3M+5.3%#390 of 2,070
3Livingston Parish, LA71376.9$8.7M+8.5%#398 of 2,070
4Bossier Parish, LA66285.5$10.7M+2.5%#512 of 2,070
5West Baton Rouge Parish, LA5987.3$8.4M+5.5%#729 of 2,070
6Tangipahoa Parish, LA55346.5$8.5M+5.8%#844 of 2,070
7Ascension Parish, LA55439.0$7.2M+6.4%#860 of 2,070
8Lafourche Parish, LA54225.8$9.9M−2.0%#876 of 2,070
9Grant Parish, LA4656.7$8.5M−0.3%#1,143 of 2,070
10Lafayette Parish, LA45939.2$6.4M+6.5%#1,198 of 2,070
37St. Martin Parish, LA212110.7$5.2M−1.0%#1,866 of 2,070

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 stores are in St. Martin Parish, LA?

St. Martin Parish has 21 grocery stores on map listings as of September 2026. 4 of them (19%) are chain locations. The listings count grocery stores and supermarkets. Official counts show 12 businesses with payroll classed as supermarkets and grocery stores in 2023.

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 21 grocery stores on map listings, it comes to $5.2M per store. The spending figure covers all groceries, not only grocery stores. 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 stores?

St. Martin Parish has 10.7 grocery stores per 10,000 households, 57% above the U.S. rate of 6.8. Spending per store is $5.2M, 44% below the U.S. figure of $9.3M. At the national ratio of grocery stores to household spending, St. Martin Parish would have about 12, against 21 on map listings. There is one business with payroll in the industry for every 1,632 households, against one for every 2,053 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 21 for grocery stores (low), #1,866 of 2,070 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 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 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.