Groundwork

Real estate · County · Louisiana

Real estate businesses in St. Tammany Parish, LA

How St. Tammany Parish, LA compares with other counties and the U.S. for real estate businesses: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 37 out of 100: Lower middle

Ranked #1,816 of 2,229 scored counties
#35 of 45 scored counties in Louisiana

Listings
551
42 chain locations (8%)
Official establishments
256
+21.9% since 2019
Household spending a year
$1.7B
On rent and homeowner costs · $15,838 a household
Housing spending per listing (U.S. = 100)
70
30% below the U.S.
Listings per 10k households
52.4
36% above the U.S.
Population, 2025
279,108
+5.3% since 2020

See the real estate businesses around any address in St. Tammany 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. Tammany Parish. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

For real estate businesses, St. Tammany Parish has a Groundwork market score of 37 (lower middle): #1,816 of 2,229 scored counties and #35 of 45 scored counties in Louisiana. That puts it in the bottom quarter of counties.

Households in St. Tammany Parish spend about $1.7B a year on rent and homeowner costs, or $15,838 per household, 5% below the U.S. average. Housing spending per office is 30% below 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. Tammany Parish has 551 real estate businesses on map listings as of September 2026. 42 of them (8%) are chain locations, against 6% across the U.S. That is 52.4 per 10,000 households, 36% above the U.S. rate of 38.5.

In 2023, official counts showed 256 businesses with payroll in St. Tammany Parish classed as real estate agents, property managers, mortgage lenders and inspectors, up 21.9% from 2019. That is one for every 410 households, against one for every 414 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $2.2M has gone to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in St. Tammany Parish. Population estimates show St. Tammany Parish grew 5.3% from 2020 to 2025, faster than the U.S. (+3.1%).

How St. Tammany 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. Tammany Parish, LA compared with Louisiana and the U.S.
MeasureSt. Tammany ParishLouisianaU.S.
Listings per 10k households52.429.638.5
Housing spending per listing (U.S. = 100)70111100
Households per official establishment410656414
Official establishment growth, 2019–2023+21.9%+14.2%+15.8%
Population growth, 2020–2025+5.3%−0.7%+3.1%
Spending per household on rent and homeowner costs$15,838$14,200$16,661
Median household income$81,202$60,756$80,734
Groundwork market score3746

Official counts and lending

Businesses

Official establishments, 2019 to 2023
210 → 256+21.9% over the period
Employees, 2023
798
Annual payroll, 2023
$49.5M
One-person businesses, 2023
1,623Businesses with no payroll
Map listings, September 2026
55142 chain locations
Listings at the U.S. rate for this spending
384The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$2.2M

SBA-backed loans to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in St. Tammany 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. Tammany Parish

Population, 2025 estimate
279,108+5.3% since 2020
Households
105,082
Median age
41.5
Homes lived in by their owners
79%
Vehicles per household
1.9
Land area
845 sq. mi.
People per square mile
322
Median household income
$81,202+17.9% vs. 2015–2019, before inflation
Average household income
$109,896
Median home value
$284,000
Jobs located here
97,233
Daytime population
260,408Residents who don’t work, plus everyone whose job is here

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

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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. Tammany 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
35St. Tammany Parish, LA3755152.470+5.3%#1,816 of 2,229

Other business types in St. Tammany Parish

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

Questions

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

Map listings as of September 2026 show 551 real estate businesses in St. Tammany Parish. 42 of them (8%) are chain locations. The listings count real estate agents and brokers, property managers, mortgage brokers and lenders, and home inspectors. Official counts show 256 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in 2023, up 21.9% from 2019. Official counts list 1,623 one-person businesses without payroll.

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

About $1.7B a year, or $15,838 per household. That is 5% below the U.S. average (an index of 95, where 100 is the U.S. average). For the 551 real estate businesses on map listings, housing spending per office is 30% below 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 105,082 households in St. Tammany Parish and national spending patterns by income.

How does St. Tammany Parish, LA compare with the U.S. for real estate businesses?

St. Tammany Parish has 52.4 real estate businesses per 10,000 households, 36% above the U.S. rate of 38.5. The index of housing spending per office is 70, where 100 is the U.S. At the U.S. ratio of real estate businesses to household spending, St. Tammany Parish would have about 384, against 551 on map listings. There is one business with payroll in the industry for every 410 households, against one for every 414 across the U.S. The official count rose 21.9% from 2019 to 2023, against +15.8% for the U.S.

How fast is St. Tammany Parish, LA growing?

Population estimates put St. Tammany Parish at 279,108 people in 2025, up 5.3% since 2020, faster than the U.S. (+3.1%). It has 105,082 households. Median household income in St. Tammany Parish is $81,202, in line with the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 17.9%, 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. Tammany Parish scores 37 for real estate businesses (lower middle), #1,816 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. Tammany 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. Tammany Parish

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