Home services · County · Tennessee
HVAC and plumbing companies in DeKalb County, TN
How DeKalb County, TN compares with other counties and the U.S. for HVAC and plumbing companies: competitors, household spending, official counts and growth.
Groundwork market score
Not scored
The score needs at least 5 listings; this market has 4.
- Listings
- 4
- 0 chain locations (0%)
- Official establishments
- 5
- Businesses with payroll, 2023
- Household spending a year
- $21.1M
- On home repairs, maintenance and insurance · $2,438 a household
- Spending per listing
- $5.3M
- 11% above the U.S.
- Listings per 10k households
- 4.6
- 27% below the U.S.
- Population, 2025
- 21,873
- +8.4% since 2020
See the HVAC and plumbing companies around any address in DeKalb 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 DeKalb 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 DeKalb County comes to about $21.1M a year: $2,438 per household, 19% below the U.S. average. That works out to $5.3M per company, 11% above the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.
DeKalb County has 4 HVAC and plumbing companies on map listings as of September 2026. That comes to 4.6 for every 10,000 households, 27% below the U.S. rate of 6.3.
Official counts show 5 businesses with payroll classed as plumbing, heating and air-conditioning contractors in DeKalb County in 2023. That is one for every 1,730 households, against one for every 1,162 across the U.S.
Population estimates show DeKalb County grew 8.4% from 2020 to 2025, faster than the U.S. (+3.1%). With 4 HVAC and plumbing companies on map listings, DeKalb County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
How DeKalb County compares
The same measures for Tennessee 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 | DeKalb County | Tennessee | U.S. |
|---|---|---|---|
| Listings per 10k households | 4.6 | 6.1 | 6.3 |
| Spending per listing | $5.3M | $4.6M | $4.8M |
| Households per official establishment | 1,730 | 1,487 | 1,162 |
| Official establishment growth, 2019–2023 | n/a | +15.4% | +7.6% |
| Population growth, 2020–2025 | +8.4% | +5.6% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,438 | $2,815 | $3,018 |
| Median household income | $53,153 | $69,595 | $80,734 |
| Groundwork market score | Not scored | 65 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 4 → 5
- Employees, 2023
- 26
- Annual payroll, 2023
- $1.5M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 40 chain locations
- Listings at the U.S. rate for this spending
- 4The 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 DeKalb 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 DeKalb County
- Population, 2025 estimate
- 21,873+8.4% since 2020
- Households
- 8,652
- Median age
- 41.8
- Homes lived in by their owners
- 73%
- Vehicles per household
- 2.0
- Land area
- 304 sq. mi.
- People per square mile
- 69
- Median household income
- $53,153+16.8% vs. 2015–2019, before inflation
- Average household income
- $71,610
- Median home value
- $235,500
- Jobs located here
- 5,262
- Daytime population
- 17,209Residents who don’t work, plus everyone whose job is here
Looking at a specific site in DeKalb 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 DeKalb 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 Tennessee
Every Tennessee market ranked →The highest-scoring counties in Tennessee for HVAC and plumbing companies, numbered among those based in Tennessee, with DeKalb County marked.
Top counties in Tennessee
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Williamson County, TN | 91 | 50 | 5.4 | $7.4M | +9.0% | #6 of 1,707 |
| 2Loudon County, TN | 91 | 10 | 4.2 | $7.2M | +15.6% | #7 of 1,707 |
| 3Franklin County, TN | 83 | 5 | 2.9 | $9.2M | +6.4% | #38 of 1,707 |
| 4Roane County, TN | 80 | 8 | 3.5 | $7.9M | +7.0% | #60 of 1,707 |
| 5Anderson County, TN | 78 | 15 | 4.6 | $6M | +6.1% | #78 of 1,707 |
| 6Davidson County, TN | 78 | 177 | 5.4 | $5.6M | +4.2% | #82 of 1,707 |
| 7Montgomery County, TN | 76 | 48 | 5.5 | $5.1M | +13.0% | #105 of 1,707 |
| 8Lawrence County, TN | 74 | 6 | 3.5 | $6.9M | +6.2% | #131 of 1,707 |
| 9Sumner County, TN | 73 | 50 | 6.4 | $4.9M | +9.2% | #160 of 1,707 |
| 10Jefferson County, TN | 72 | 11 | 5.0 | $5.3M | +9.3% | #172 of 1,707 |
| DeKalb County, TN | Not scored | 4 | 4.6 | $5.3M | +8.4% |
Other business types in DeKalb 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
Real estate
Funeral services
Questions
How many HVAC and plumbing companies are in DeKalb County, TN?
Map listings as of September 2026 show 4 HVAC and plumbing companies in DeKalb County. The listings count heating and air-conditioning companies and plumbers. Official counts show 5 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023.
How much do households in DeKalb County, TN spend on home repairs, maintenance and insurance?
About $21.1M a year, or $2,438 per household. That is 19% below the U.S. average (an index of 81, where 100 is the U.S. average). Spread across the 4 HVAC and plumbing companies on map listings, it comes to $5.3M 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 8,652 households in DeKalb County and national spending patterns by income.
How does DeKalb County, TN compare with the U.S. for HVAC and plumbing companies?
DeKalb County has 4.6 HVAC and plumbing companies per 10,000 households, 27% below the U.S. rate of 6.3. Spending per company is $5.3M, 11% above the U.S. figure of $4.8M. The count on map listings matches the U.S. ratio of HVAC and plumbing companies to household spending. There is one business with payroll in the industry for every 1,730 households, against one for every 1,162 across the U.S.
How fast is DeKalb County, TN growing?
Population estimates put DeKalb County at 21,873 people in 2025, up 8.4% since 2020, faster than the U.S. (+3.1%). It has 8,652 households. Median household income in DeKalb County is $53,153, 34% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 16.8%, 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. DeKalb County has no market score for HVAC and plumbing companies: the score needs at least 5 on map listings, and it has 4.
How can I see the market around a specific site?
Run a Groundwork site report on an address in DeKalb 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 DeKalb County
Screening a site or an acquisition in DeKalb 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 DeKalb 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.