Home services · County · Ohio
HVAC and plumbing companies in Miami County, OH
How Miami County, OH 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 44 out of 100: Lower middle
Ranked #1,063 of 1,707 scored counties
#48 of 76 scored counties in Ohio
- Listings
- 33
- 0 chain locations (0%)
- Official establishments
- 47
- +23.7% since 2019
- Household spending a year
- $122.7M
- On home repairs, maintenance and insurance · $2,733 a household
- Spending per listing
- $3.7M
- 22% below the U.S.
- Listings per 10k households
- 7.3
- 16% above the U.S.
- Population, 2025
- 112,634
- +3.4% since 2020
See the HVAC and plumbing companies around any address in Miami 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 Miami 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
Households in Miami County spend about $122.7M a year on home repairs, maintenance and insurance, or $2,733 per household, 9% below the U.S. average. Spread across 33 HVAC and plumbing companies, that is $3.7M per company, 22% below the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.
Miami County has 33 HVAC and plumbing companies on map listings as of September 2026. None of them are chain locations, 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.
Official counts show 47 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Miami County in 2023, up 23.7% from 2019. That is one for every 955 households, against one for every 1,162 across the U.S. Since fiscal 2022, 5 SBA-backed loans worth $7.7M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Miami County.
Population estimates show Miami County grew 3.4% from 2020 to 2025, in step with the U.S. (+3.1%). Miami County scores 44 (lower middle) on the Groundwork market score for HVAC and plumbing companies, ranking #1,063 of 1,707 scored counties and #48 of 76 scored counties in Ohio.
How Miami County compares
The same measures for Ohio 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 | Miami County | Ohio | U.S. |
|---|---|---|---|
| Listings per 10k households | 7.3 | 6.0 | 6.3 |
| Spending per listing | $3.7M | $4.5M | $4.8M |
| Households per official establishment | 955 | 1,637 | 1,162 |
| Official establishment growth, 2019–2023 | +23.7% | +2.3% | +7.6% |
| Population growth, 2020–2025 | +3.4% | +0.9% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,733 | $2,683 | $3,018 |
| Median household income | $76,817 | $71,389 | $80,734 |
| Groundwork market score | 44 | 48 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 38 → 47+23.7% over the period
- Employees, 2023
- 359
- Annual payroll, 2023
- $23.8M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 330 chain locations
- Listings at the U.S. rate for this spending
- 26The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 5
- Amount
- $7.7M
SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Miami 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 Miami County
- Population, 2025 estimate
- 112,634+3.4% since 2020
- Households
- 44,906
- Median age
- 42.1
- Homes lived in by their owners
- 73%
- Vehicles per household
- 2.0
- Land area
- 407 sq. mi.
- People per square mile
- 271
- Median household income
- $76,817+25.8% vs. 2015–2019, before inflation
- Average household income
- $96,707
- Median home value
- $229,100
- Jobs located here
- 42,098
- Daytime population
- 100,851Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Miami 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 Miami 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 Ohio
Every Ohio market ranked →The highest-scoring counties in Ohio for HVAC and plumbing companies, numbered among those based in Ohio, with Miami County marked.
Top counties in Ohio
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Delaware County, OH | 93 | 42 | 5.1 | $7.2M | +12.5% | #3 of 1,707 |
| 2Union County, OH | 83 | 17 | 7.0 | $4.7M | +16.5% | #43 of 1,707 |
| 3Warren County, OH | 82 | 56 | 6.1 | $5.5M | +5.7% | #49 of 1,707 |
| 4Franklin County, OH | 74 | 292 | 5.3 | $5.3M | +2.8% | #138 of 1,707 |
| 5Portage County, OH | 73 | 25 | 3.8 | $7M | +1.0% | #148 of 1,707 |
| 6Ashland County, OH | 70 | 5 | 2.4 | $10.4M | +0.1% | #193 of 1,707 |
| 7Greene County, OH | 70 | 46 | 6.7 | $4.4M | +3.7% | #219 of 1,707 |
| 8Morrow County, OH | 69 | 6 | 4.5 | $6M | +3.7% | #230 of 1,707 |
| 9Lorain County, OH | 66 | 73 | 5.7 | $4.8M | +3.1% | #311 of 1,707 |
| 10Highland County, OH | 65 | 5 | 3.0 | $8.2M | +1.1% | #320 of 1,707 |
| 48Miami County, OH | 44 | 33 | 7.3 | $3.7M | +3.4% | #1,063 of 1,707 |
Other business types in Miami 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 trades48
- HVAC and plumbing44
- Electricians55
- Roofing and gutters59
- Lawn, cleaning and pest control48
- Landscaping and lawn care52
- House cleaning61
- Pest control35
Real estate
Funeral services
Questions
How many HVAC and plumbing companies are in Miami County, OH?
Map listings as of September 2026 show 33 HVAC and plumbing companies in Miami County. None of them are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 47 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 23.7% from 2019.
How much do households in Miami County, OH spend on home repairs, maintenance and insurance?
About $122.7M a year, or $2,733 per household. That is 9% below the U.S. average (an index of 91, where 100 is the U.S. average). Spread across the 33 HVAC and plumbing companies on map listings, it comes to $3.7M 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 44,906 households in Miami County and national spending patterns by income.
How does Miami County, OH compare with the U.S. for HVAC and plumbing companies?
Miami 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 $3.7M, 22% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Miami County would have about 26, against 33 on map listings. There is one business with payroll in the industry for every 955 households, against one for every 1,162 across the U.S. The official count rose 23.7% from 2019 to 2023, against +7.6% for the U.S.
How fast is Miami County, OH growing?
Population estimates put Miami County at 112,634 people in 2025, up 3.4% since 2020, in step with the U.S. (+3.1%). It has 44,906 households. Median household income in Miami County is $76,817, 5% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 25.8%, 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. Miami County scores 44 for HVAC and plumbing companies (lower middle), #1,063 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Miami 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 Miami County
Screening a site or an acquisition in Miami 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 Miami 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.