Home services · County · Missouri
HVAC and plumbing companies in Clay County, MO
Competitor counts, household spending and official business counts for HVAC and plumbing companies in Clay County, MO, set against other counties and the U.S.
Groundwork market score · out of 100
Score 61 out of 100: Upper middle
Ranked #474 of 1,707 scored counties
#6 of 56 scored counties in Missouri
- Listings
- 75
- 4 chain locations (5%)
- Official establishments
- 73
- +1.4% since 2019
- Household spending a year
- $294.9M
- On home repairs, maintenance and insurance · $2,887 a household
- Spending per listing
- $3.9M
- 17% below the U.S.
- Listings per 10k households
- 7.3
- 16% above the U.S.
- Population, 2025
- 265,032
- +4.3% since 2020
See the HVAC and plumbing companies around any address in Clay 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 Clay County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
Household spending on home repairs, maintenance and insurance in Clay County comes to about $294.9M a year: $2,887 per household, 4% below the U.S. average. That works out to $3.9M per company, 17% below the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.
There are 75 HVAC and plumbing companies on map listings in Clay County as of September 2026. Of those, 4 are chain locations, or 5%, against 4% across the U.S. That comes to 7.3 for every 10,000 households, 16% above the U.S. rate of 6.3.
In 2023, official counts showed 73 businesses with payroll in Clay County classed as plumbing, heating and air-conditioning contractors, up 1.4% from 2019. That is one for every 1,400 households, against one for every 1,162 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $683K has gone to businesses classed as plumbing, heating and air-conditioning contractors in Clay County.
Population estimates show Clay County grew 4.3% from 2020 to 2025, faster than the U.S. (+3.1%). The Groundwork market score for HVAC and plumbing companies in Clay County is 61 (upper middle), #474 of 1,707 scored counties and #6 of 56 scored counties in Missouri.
How Clay 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.
| Measure | Clay County | Missouri | U.S. |
|---|---|---|---|
| Listings per 10k households | 7.3 | 6.5 | 6.3 |
| Spending per listing | $3.9M | $4.1M | $4.8M |
| Households per official establishment | 1,400 | 1,310 | 1,162 |
| Official establishment growth, 2019–2023 | +1.4% | +4.7% | +7.6% |
| Population growth, 2020–2025 | +4.3% | +1.9% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,887 | $2,667 | $3,018 |
| Median household income | $88,468 | $70,702 | $80,734 |
| Groundwork market score | 61 | 38 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 72 → 73+1.4% over the period
- Employees, 2023
- 726
- Annual payroll, 2023
- $50.5M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 754 chain locations
- 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
- 1
- Amount
- $683K
SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Clay 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 Clay County
- Population, 2025 estimate
- 265,032+4.3% since 2020
- Households
- 102,171
- Median age
- 38.7
- Homes lived in by their owners
- 69%
- Vehicles per household
- 1.9
- Land area
- 398 sq. mi.
- People per square mile
- 649
- Median household income
- $88,468+25.5% vs. 2015–2019, before inflation
- Average household income
- $108,962
- Median home value
- $275,600
- Jobs located here
- 117,697
- Daytime population
- 242,115Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Clay 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 Clay County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardHVAC 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 Clay County marked.
Top counties in Missouri
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Platte County, MO | 84 | 24 | 5.5 | $5.7M | +6.7% | #35 of 1,707 |
| 2St. Charles County, MO | 69 | 124 | 7.7 | $4.2M | +4.9% | #244 of 1,707 |
| 3St. Louis County, MO | 64 | 234 | 5.7 | $5.3M | −1.2% | #366 of 1,707 |
| 4Lincoln County, MO | 64 | 12 | 5.3 | $5.3M | +11.4% | #367 of 1,707 |
| 5Callaway County, MO | 63 | 9 | 5.5 | $4.8M | +3.2% | #399 of 1,707 |
| 6Clay County, MO | 61 | 75 | 7.3 | $3.9M | +4.3% | #474 of 1,707 |
| 7St. Louis city, MO | 59 | 50 | 3.5 | $7M | −7.4% | #514 of 1,707 |
| 8Newton County, MO | 59 | 10 | 4.5 | $5.7M | +6.1% | #521 of 1,707 |
| 9Jackson County, MO | 58 | 179 | 5.8 | $4.5M | +2.1% | #574 of 1,707 |
| 10Barry County, MO | 56 | 6 | 4.5 | $5.5M | +4.8% | #629 of 1,707 |
Other business types in Clay County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
- Home repair trades59
- HVAC and plumbing61
- Electricians64
- Roofing and gutters64
- Lawn, cleaning and pest control54
- Landscaping and lawn care64
- House cleaning44
- Pest control58
Real estate
Funeral services
Questions
How many HVAC and plumbing companies are in Clay County, MO?
As of September 2026, map listings count 75 HVAC and plumbing companies in Clay County. 4 of them (5%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 73 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 1.4% from 2019.
How much do households in Clay County, MO spend on home repairs, maintenance and insurance?
About $294.9M a year, or $2,887 per household. That is 4% below the U.S. average (an index of 96, where 100 is the U.S. average). Spread across the 75 HVAC and plumbing companies on map listings, it comes to $3.9M 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 102,171 households in Clay County and national spending patterns by income.
How does Clay County, MO compare with the U.S. for HVAC and plumbing companies?
Clay County has 7.3 HVAC and plumbing companies per 10,000 households, 16% above the U.S. rate of 6.3. Spending per company is $3.9M, 17% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Clay County would have about 62, against 75 on map listings. There is one business with payroll in the industry for every 1,400 households, against one for every 1,162 across the U.S. The official count rose 1.4% from 2019 to 2023, against +7.6% for the U.S.
How fast is Clay County, MO growing?
Population estimates put Clay County at 265,032 people in 2025, up 4.3% since 2020, faster than the U.S. (+3.1%). It has 102,171 households. Median household income in Clay County is $88,468, 10% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 25.5%, 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. Clay County scores 61 for HVAC and plumbing companies (upper middle), #474 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Clay 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 Clay County
Screening a site or an acquisition in Clay 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 Clay 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.