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HVAC and plumbing companies in Plaquemines Parish, LA

How Plaquemines Parish, LA compares with other counties and the U.S. for HVAC and plumbing companies: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 36 out of 100: Lower middle

Ranked #1,325 of 1,707 scored counties
#25 of 37 scored counties in Louisiana

Listings
6
0 chain locations (0%)
Official establishments
10
Businesses with payroll, 2023
Household spending a year
$24.2M
On home repairs, maintenance and insurance · $2,939 a household
Spending per listing
$4M
15% below the U.S.
Listings per 10k households
7.3
16% above the U.S.
Population, 2025
22,256
−5.3% since 2020

See the HVAC and plumbing companies around any address in Plaquemines Parish

The site report maps the HVAC and plumbing companies 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 Plaquemines 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

Plaquemines Parish scores 36 (lower middle) on the Groundwork market score for HVAC and plumbing companies, ranking #1,325 of 1,707 scored counties and #25 of 37 scored counties in Louisiana. That puts it in the bottom quarter of counties.

Household spending on home repairs, maintenance and insurance in Plaquemines Parish comes to about $24.2M a year: $2,939 per household, 3% below the U.S. average. That is about $4M of household spending for each company on map listings, 15% below the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

Plaquemines Parish has 6 HVAC and plumbing companies on map listings as of September 2026. None of them are chain locations, against 4% across the U.S. That is 7.3 per 10,000 households, 16% above the U.S. rate of 6.3.

The official count of businesses with payroll classed as plumbing, heating and air-conditioning contractors in Plaquemines Parish was 10 in 2023. That is one for every 822 households, against one for every 1,162 across the U.S. Between 2020 and 2025, the population of Plaquemines Parish declined 5.3%, against +3.1% for the U.S.

How Plaquemines Parish compares

The same measures for Louisiana and the whole U.S. Spending per listing divides a year of household spending on all home repairs, maintenance and insurance by the HVAC and plumbing companies counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

HVAC and plumbing in Plaquemines Parish, LA compared with Louisiana and the U.S.
MeasurePlaquemines ParishLouisianaU.S.
Listings per 10k households7.36.76.3
Spending per listing$4M$3.9M$4.8M
Households per official establishment8221,1121,162
Official establishment growth, 2019–2023n/a+13.0%+7.6%
Population growth, 2020–2025−5.3%−0.7%+3.1%
Spending per household on home repairs, maintenance and insurance$2,939$2,650$3,018
Median household income$86,315$60,756$80,734
Groundwork market score3619

Official counts and lending

Businesses

Official establishments, 2019 to 2023
14 → 10
Employees, 2023
58
Annual payroll, 2023
$2.7M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
60 chain locations
Listings at the U.S. rate for this spending
5The 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 plumbing, heating and air-conditioning contractors in Plaquemines 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 Plaquemines Parish

Population, 2025 estimate
22,256−5.3% since 2020
Households
8,218
Median age
38.9
Homes lived in by their owners
76%
Vehicles per household
2.0
Land area
781 sq. mi.
People per square mile
29
Median household income
$86,315+50.9% vs. 2015–2019, before inflation
Average household income
$100,930
Median home value
$282,900
Jobs located here
11,184
Daytime population
24,508Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Plaquemines 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 HVAC and plumbing companies on map listings by name and distance.

Or open the report at the center of Plaquemines Parish. Signed out, you see a blurred preview; on an account, each report is one action.

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HVAC and plumbing across Louisiana

Every Louisiana market ranked →

The highest-scoring counties in Louisiana for HVAC and plumbing companies, numbered among those based in Louisiana, with Plaquemines Parish marked.

Top counties in Louisiana

Counties in Louisiana ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Ascension Parish, LA76265.5$5.9M+6.4%#100 of 1,707
2West Baton Rouge Parish, LA7565.5$5.2M+5.5%#125 of 1,707
3Orleans Parish, LA69402.6$10.3M−5.5%#222 of 1,707
4St. Martin Parish, LA5752.6$9.8M−1.0%#592 of 1,707
5Evangeline Parish, LA5254.0$5.7M−1.0%#772 of 1,707
6Vermilion Parish, LA5194.1$6M+1.3%#805 of 1,707
7De Soto Parish, LA5054.8$5.1M+2.0%#847 of 1,707
8St. John the Baptist Parish, LA5085.3$4.9M−5.9%#850 of 1,707
9Webster Parish, LA4953.5$6.4M−5.2%#878 of 1,707
10East Baton Rouge Parish, LA481267.1$3.9M+0.1%#930 of 1,707
25Plaquemines Parish, LA3667.3$4M−5.3%#1,325 of 1,707

Other business types in Plaquemines Parish

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

Questions

How many HVAC and plumbing companies are in Plaquemines Parish, LA?

Map listings as of September 2026 show 6 HVAC and plumbing companies in Plaquemines Parish. None of them are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 10 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023.

How much do households in Plaquemines Parish, LA spend on home repairs, maintenance and insurance?

About $24.2M a year, or $2,939 per household. That is 3% below the U.S. average (an index of 97, where 100 is the U.S. average). Spread across the 6 HVAC and plumbing companies on map listings, it comes to $4M per company. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade. It is estimated from the incomes of the 8,218 households in Plaquemines Parish and national spending patterns by income.

How does Plaquemines Parish, LA compare with the U.S. for HVAC and plumbing companies?

Plaquemines Parish has 7.3 HVAC and plumbing companies per 10,000 households, 16% above the U.S. rate of 6.3. Spending per company is $4M, 15% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Plaquemines Parish would have about 5, against 6 on map listings. There is one business with payroll in the industry for every 822 households, against one for every 1,162 across the U.S.

How fast is Plaquemines Parish, LA growing?

Population estimates put Plaquemines Parish at 22,256 people in 2025, down 5.3% since 2020, against +3.1% for the U.S. It has 8,218 households. Median household income in Plaquemines Parish is $86,315, 7% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 50.9%, 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. Plaquemines Parish scores 36 for HVAC and plumbing companies (lower middle), #1,325 of 1,707 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Plaquemines Parish. It maps the HVAC and plumbing companies 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 HVAC and plumbing companies · All 56 business types in Plaquemines Parish

Screening a site or an acquisition in Plaquemines 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 Plaquemines 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.