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HVAC and plumbing companies in Douglas County, MO

The HVAC and plumbing companies in Douglas County, MO, the household spending behind them and how the market ranks against other counties.

Groundwork market score

Not scored

The score needs at least 5 listings; this market has 1.

Listings
1
0 chain locations (0%)
Official establishments
4
Businesses with payroll, 2023
Household spending a year
$10.5M
On home repairs, maintenance and insurance · $2,265 a household
Spending per listing
$10.5M
Too few listings to compare
Listings per 10k households
2.1
Too few listings to compare
Population, 2025
12,342
+6.4% since 2020

See the HVAC and plumbing companies around any address in Douglas County

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 Douglas County. 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

At $2,265 per household (25% below the U.S. average), households in Douglas County spend about $10.5M a year on home repairs, maintenance and insurance. That is about $10.5M of household spending for each company on map listings. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

Douglas County has 1 HVAC or plumbing company on map listings as of September 2026. That is 2.1 per 10,000 households.

The official count of businesses with payroll classed as plumbing, heating and air-conditioning contractors in Douglas County was 4 in 2023. That is one for every 1,164 households, against one for every 1,162 across the U.S.

Population estimates put the population change in Douglas County from 2020 to 2025 at +6.4%, faster than the U.S. (+3.1%). With 1 HVAC or plumbing company on map listings, Douglas County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.

How Douglas County compares

The same measures for Missouri 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 Douglas County, MO compared with Missouri and the U.S.
MeasureDouglas CountyMissouriU.S.
Listings per 10k households2.16.56.3
Spending per listing$10.5M$4.1M$4.8M
Households per official establishment1,1641,3101,162
Official establishment growth, 2019–2023n/a+4.7%+7.6%
Population growth, 2020–2025+6.4%+1.9%+3.1%
Spending per household on home repairs, maintenance and insurance$2,265$2,667$3,018
Median household income$45,985$70,702$80,734
Groundwork market scoreNot scored38

Official counts and lending

Businesses

Official establishments, 2019 to 2023
4 → 4
Employees, 2023
30
Annual payroll, 2023
$1.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
10 chain locations
Listings at the U.S. rate for this spending
2The 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 Douglas County, 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 Douglas County

Population, 2025 estimate
12,342+6.4% since 2020
Households
4,654
Median age
45.0
Homes lived in by their owners
81%
Vehicles per household
2.2
Land area
814 sq. mi.
People per square mile
15
Median household income
$45,985+22.9% vs. 2015–2019, before inflation
Average household income
$73,551
Median home value
$168,200
Jobs located here
2,403
Daytime population
11,144Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Douglas County?

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 Douglas County. Signed out, you see a blurred preview; on an account, each report is one action.

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HVAC and plumbing across Missouri

Every Missouri market ranked →

The highest-scoring counties in Missouri for HVAC and plumbing companies, numbered among those based in Missouri, with Douglas County marked.

Top counties in Missouri

Counties in Missouri ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Platte County, MO84245.5$5.7M+6.7%#35 of 1,707
2St. Charles County, MO691247.7$4.2M+4.9%#244 of 1,707
3St. Louis County, MO642345.7$5.3M−1.2%#366 of 1,707
4Lincoln County, MO64125.3$5.3M+11.4%#367 of 1,707
5Callaway County, MO6395.5$4.8M+3.2%#399 of 1,707
6Clay County, MO61757.3$3.9M+4.3%#474 of 1,707
7St. Louis city, MO59503.5$7M−7.4%#514 of 1,707
8Newton County, MO59104.5$5.7M+6.1%#521 of 1,707
9Jackson County, MO581795.8$4.5M+2.1%#574 of 1,707
10Barry County, MO5664.5$5.5M+4.8%#629 of 1,707
Douglas County, MONot scored12.1$10.5M+6.4%

Other business types in Douglas County

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

Questions

How many HVAC and plumbing companies are in Douglas County, MO?

Map listings as of September 2026 show 1 HVAC or plumbing company in Douglas County. The listings count heating and air-conditioning companies and plumbers. Official counts show 4 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023.

How much do households in Douglas County, MO spend on home repairs, maintenance and insurance?

About $10.5M a year, or $2,265 per household. That is 25% below the U.S. average (an index of 75, where 100 is the U.S. average). Spread across the 1 HVAC or plumbing company on map listings, it comes to $10.5M 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 4,654 households in Douglas County and national spending patterns by income.

How does Douglas County, MO compare with the U.S. for HVAC and plumbing companies?

Douglas County has 1 HVAC or plumbing company on map listings, too few for a steady comparison with the U.S. rate. At the U.S. ratio of HVAC and plumbing companies to household spending, Douglas County would have about 2, against 1 on map listings. There is one business with payroll in the industry for every 1,164 households, against one for every 1,162 across the U.S.

How fast is Douglas County, MO growing?

Population estimates put Douglas County at 12,342 people in 2025, up 6.4% since 2020, faster than the U.S. (+3.1%). It has 4,654 households. Median household income in Douglas County is $45,985, 43% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 22.9%, 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. Douglas County has no market score for HVAC and plumbing companies: the score needs at least 5 on map listings, and it has 1.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Douglas County. 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 Douglas County

Screening a site or an acquisition in Douglas County?

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 Douglas County. 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.