Home services · County · Missouri
HVAC and plumbing companies in Mercer County, MO
The HVAC and plumbing companies in Mercer County, MO, the household spending behind them and how the market ranks against other counties.
Groundwork market score
Not scored
Counties under 10,000 people aren’t scored, since a few businesses can swing their figures.
- Listings
- 2
- 0 chain locations (0%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $3M
- On home repairs, maintenance and insurance · $2,323 a household
- Spending per listing
- $1.5M
- Too few listings to compare
- Listings per 10k households
- 15.4
- Too few listings to compare
- Population, 2025
- 3,404
- −3.2% since 2020
See the HVAC and plumbing companies around any address in Mercer 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 Mercer 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
Map listings as of September 2026 show 2 HVAC and plumbing companies in Mercer County. That is 15.4 per 10,000 households.
Household spending on home repairs, maintenance and insurance in Mercer County comes to about $3M a year: $2,323 per household, 23% below the U.S. average. Spread across 2 HVAC and plumbing companies, that is $1.5M per company. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade.
There is no official count of businesses with payroll classed as plumbing, heating and air-conditioning contractors in Mercer County: counts under 3 aren’t published.
Between 2020 and 2025, the population of Mercer County declined 3.2%, against +3.1% for the U.S. Counties under 10,000 people aren’t given a market score, since a few businesses can swing their figures.
How Mercer 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 | Mercer County | Missouri | U.S. |
|---|---|---|---|
| Listings per 10k households | 15.4 | 6.5 | 6.3 |
| Spending per listing | $1.5M | $4.1M | $4.8M |
| Households per official establishment | n/a | 1,310 | 1,162 |
| Official establishment growth, 2019–2023 | n/a | +4.7% | +7.6% |
| Population growth, 2020–2025 | −3.2% | +1.9% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,323 | $2,667 | $3,018 |
| Median household income | $62,679 | $70,702 | $80,734 |
| Groundwork market score | Not scored | 38 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/a
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 20 chain locations
- Listings at the U.S. rate for this spending
- 1The 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 Mercer 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 Mercer County
- Population, 2025 estimate
- 3,404−3.2% since 2020
- Households
- 1,302
- Median age
- 43.3
- Homes lived in by their owners
- 81%
- Vehicles per household
- 2.1
- Land area
- 454 sq. mi.
- People per square mile
- 8
- Median household income
- $62,679
- Average household income
- $70,588
- Median home value
- $104,900
- Jobs located here
- 1,102
- Daytime population
- 3,113Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Mercer 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 Mercer 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 Mercer 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 |
| Mercer County, MO | Not scored | 2 | 15.4 | $1.5M | −3.2% |
Other business types in Mercer County
None has a Groundwork market score here. Counties under 10,000 people aren’t scored, since a few businesses can swing their figures.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many HVAC and plumbing companies are in Mercer County, MO?
There are 2 HVAC and plumbing companies on map listings in Mercer County as of September 2026. The listings count heating and air-conditioning companies and plumbers. No official count is published for plumbing, heating and air-conditioning contractors in Mercer County: counts under 3 are left out.
How much do households in Mercer County, MO spend on home repairs, maintenance and insurance?
About $3M a year, or $2,323 per household. That is 23% below the U.S. average (an index of 77, where 100 is the U.S. average). Spread across the 2 HVAC and plumbing companies on map listings, it comes to $1.5M per company. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies. It is estimated from the incomes of the 1,302 households in Mercer County and national spending patterns by income.
How does Mercer County, MO compare with the U.S. for HVAC and plumbing companies?
Mercer County has 2 HVAC and plumbing companies on map listings, too few for a steady comparison with the U.S. rate. At the national ratio of HVAC and plumbing companies to household spending, Mercer County would have about 1, against 2 on map listings.
How fast is Mercer County, MO growing?
Population estimates put Mercer County at 3,404 people in 2025, down 3.2% since 2020, against +3.1% for the U.S. It has 1,302 households. The median household income in Mercer County is $62,679 a year, 22% below the U.S. median of $80,734.
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. The score leaves out counties under 10,000 people, where a handful of businesses would swing it.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Mercer 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 Mercer County
Screening a site or an acquisition in Mercer 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 Mercer 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.