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HVAC and plumbing companies in Marion County, OH

How Marion 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 43 out of 100: Lower middle

Ranked #1,099 of 1,707 scored counties
#50 of 76 scored counties in Ohio

Listings
15
1 chain location (7%)
Official establishments
14
Businesses with payroll, 2023
Household spending a year
$59.3M
On home repairs, maintenance and insurance · $2,402 a household
Spending per listing
$4M
17% below the U.S.
Listings per 10k households
6.1
3% below the U.S.
Population, 2025
65,115
−0.4% since 2020

See the HVAC and plumbing companies around any address in Marion 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 Marion County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey 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 Marion County comes to about $59.3M a year: $2,402 per household, 20% below the U.S. average. That works out to $4M 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.

Marion County has 15 HVAC and plumbing companies on map listings as of September 2026. One of them (7%) is a chain location, against 4% across the U.S. That is 6.1 per 10,000 households, 3% below the U.S. rate of 6.3.

In 2023, official counts showed 14 businesses with payroll in Marion County classed as plumbing, heating and air-conditioning contractors. That is one for every 1,763 households, against one for every 1,162 across the U.S.

Population estimates put the population change in Marion County from 2020 to 2025 at −0.4%, against +3.1% for the U.S. For HVAC and plumbing companies, Marion County has a Groundwork market score of 43 (lower middle): #1,099 of 1,707 scored counties and #50 of 76 scored counties in Ohio.

How Marion 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.

HVAC and plumbing in Marion County, OH compared with Ohio and the U.S.
MeasureMarion CountyOhioU.S.
Listings per 10k households6.16.06.3
Spending per listing$4M$4.5M$4.8M
Households per official establishment1,7631,6371,162
Official establishment growth, 2019–2023n/a+2.3%+7.6%
Population growth, 2020–2025−0.4%+0.9%+3.1%
Spending per household on home repairs, maintenance and insurance$2,402$2,683$3,018
Median household income$59,371$71,389$80,734
Groundwork market score4348

Official counts and lending

Businesses

Official establishments, 2019 to 2023
9 → 14
Employees, 2023
89
Annual payroll, 2023
$5.3M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
151 chain location
Listings at the U.S. rate for this spending
13The 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 Marion 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 Marion County

Population, 2025 estimate
65,115−0.4% since 2020
Households
24,683
Median age
40.8
Homes lived in by their owners
67%
Vehicles per household
1.8
Land area
404 sq. mi.
People per square mile
161
Median household income
$59,371+25.0% vs. 2015–2019, before inflation
Average household income
$76,921
Median home value
$156,800
Jobs located here
23,364
Daytime population
60,757Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Marion 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 Marion County. Signed out, you see a blurred preview; on an account, each report is one action.

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HVAC 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 Marion County marked.

Top counties in Ohio

Counties in Ohio ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Delaware County, OH93425.1$7.2M+12.5%#3 of 1,707
2Union County, OH83177.0$4.7M+16.5%#43 of 1,707
3Warren County, OH82566.1$5.5M+5.7%#49 of 1,707
4Franklin County, OH742925.3$5.3M+2.8%#138 of 1,707
5Portage County, OH73253.8$7M+1.0%#148 of 1,707
6Ashland County, OH7052.4$10.4M+0.1%#193 of 1,707
7Greene County, OH70466.7$4.4M+3.7%#219 of 1,707
8Morrow County, OH6964.5$6M+3.7%#230 of 1,707
9Lorain County, OH66735.7$4.8M+3.1%#311 of 1,707
10Highland County, OH6553.0$8.2M+1.1%#320 of 1,707
50Marion County, OH43156.1$4M−0.4%#1,099 of 1,707

Other business types in Marion County

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

Questions

How many HVAC and plumbing companies are in Marion County, OH?

Map listings as of September 2026 show 15 HVAC and plumbing companies in Marion County. One of them (7%) is a chain location. The listings count heating and air-conditioning companies and plumbers. Official counts show 14 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023.

How much do households in Marion County, OH spend on home repairs, maintenance and insurance?

About $59.3M a year, or $2,402 per household. That is 20% below the U.S. average (an index of 80, where 100 is the U.S. average). Spread across the 15 HVAC and plumbing companies on map listings, it comes to $4M 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 24,683 households in Marion County and national spending patterns by income.

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

Marion County has 6.1 HVAC and plumbing companies per 10,000 households, 3% below the U.S. rate of 6.3. Spending per company is $4M, 17% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Marion County would have about 13, against 15 on map listings. There is one business with payroll in the industry for every 1,763 households, against one for every 1,162 across the U.S.

How fast is Marion County, OH growing?

Population estimates put Marion County at 65,115 people in 2025, down 0.4% since 2020, against +3.1% for the U.S. It has 24,683 households. Median household income in Marion County is $59,371, 26% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 25.0%, 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. Marion County scores 43 for HVAC and plumbing companies (lower middle), #1,099 of 1,707 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Marion 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 Marion County

Screening a site or an acquisition in Marion 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 Marion 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.