Groundwork

Real estate · County · Louisiana

Real estate businesses in St. Martin Parish, LA

The real estate 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 69 out of 100: Upper middle

Ranked #220 of 2,229 scored counties
#3 of 45 scored counties in Louisiana

Listings
10
1 chain location (10%)
Official establishments
9
Businesses with payroll, 2023
Household spending a year
$267.3M
On rent and homeowner costs · $13,655 a household
Housing spending per listing (U.S. = 100)
617
6.2 times the U.S.
Listings per 10k households
5.1
87% below the U.S.
Population, 2025
51,106
−1.0% since 2020

See the real estate businesses around any address in St. Martin Parish

The site report maps the real estate 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

The Groundwork market score for real estate businesses in St. Martin Parish is 69 (upper middle), #220 of 2,229 scored counties and #3 of 45 scored counties in Louisiana. That puts it in the top 10% of counties for real estate businesses.

At $13,655 per household (18% below the U.S. average), households in St. Martin Parish spend about $267.3M a year on rent and homeowner costs. Housing spending per office is 6.2 times the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money real estate businesses take in.

St. Martin Parish has 10 real estate businesses on map listings as of September 2026. One of them (10%) is a chain location, against 6% across the U.S. Per 10,000 households, that is 5.1, 87% below the U.S. rate of 38.5.

The official count of businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in St. Martin Parish was 9 in 2023. That is one for every 2,175 households, against one for every 414 across the U.S. Population estimates put the population change in St. Martin Parish from 2020 to 2025 at −1.0%, against +3.1% for the U.S.

How St. Martin Parish compares

The same measures for Louisiana and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.

Real estate in St. Martin Parish, LA compared with Louisiana and the U.S.
MeasureSt. Martin ParishLouisianaU.S.
Listings per 10k households5.129.638.5
Housing spending per listing (U.S. = 100)617111100
Households per official establishment2,175656414
Official establishment growth, 2019–2023n/a+14.2%+15.8%
Population growth, 2020–2025−1.0%−0.7%+3.1%
Spending per household on rent and homeowner costs$13,655$14,200$16,661
Median household income$55,960$60,756$80,734
Groundwork market score6946

Official counts and lending

Businesses

Official establishments, 2019 to 2023
6 → 9
Employees, 2023
14
Annual payroll, 2023
$376K
One-person businesses, 2023
124Businesses with no payroll
Map listings, September 2026
101 chain location
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 real estate agents, property managers, mortgage lenders and inspectors 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 real estate 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

Real estate across Louisiana

Every Louisiana market ranked →

The highest-scoring counties in Louisiana for real estate businesses, numbered among those based in Louisiana, with St. Martin Parish marked.

Top counties in Louisiana

Counties in Louisiana ranked for real estate businesses by Groundwork market score
MarketScoreListingsPer 10k householdsHousing spending per listing (U.S. = 100)Population growthU.S. rank
1West Baton Rouge Parish, LA8576.4553+5.5%#5 of 2,229
2Vermilion Parish, LA72146.4488+1.3%#153 of 2,229
3St. Martin Parish, LA69105.1617−1.0%#220 of 2,229
4St. Bernard Parish, LA692515.4208+4.1%#240 of 2,229
5Lafourche Parish, LA674110.9303−2.0%#291 of 2,229
6Grant Parish, LA6656.7483−0.3%#322 of 2,229
7Washington Parish, LA64158.5345−0.9%#391 of 2,229
8Livingston Parish, LA6411822.0157+8.5%#423 of 2,229
9De Soto Parish, LA631110.5293+2.0%#435 of 2,229
10Plaquemines Parish, LA62911.0328−5.3%#478 of 2,229

Other business types in St. Martin Parish

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

Questions

How many real estate businesses are in St. Martin Parish, LA?

Map listings as of September 2026 show 10 real estate businesses in St. Martin Parish. One of them (10%) is a chain location. The listings count real estate agents and brokers, property managers, mortgage brokers and lenders, and home inspectors. Official counts show 9 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in 2023. Official counts also show 124 one-person businesses without payroll.

How much do households in St. Martin Parish, LA spend on rent and homeowner costs?

About $267.3M a year, or $13,655 per household. That is 18% below the U.S. average (an index of 82, where 100 is the U.S. average). For the 10 real estate businesses on map listings, housing spending per office is 6.2 times the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money real estate businesses take in. 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 real estate businesses?

St. Martin Parish has 5.1 real estate businesses per 10,000 households, 87% below the U.S. rate of 38.5. The index of housing spending per office is 617, where 100 is the U.S. At the U.S. ratio of real estate businesses to household spending, St. Martin Parish would have about 62, against 10 on map listings. There is one business with payroll in the industry for every 2,175 households, against one for every 414 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 69 for real estate businesses (upper middle), #220 of 2,229 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 real estate 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 real estate 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.