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HVAC and plumbing companies in Johnson County, IN

How Johnson County, IN 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 37 out of 100: Lower middle

Ranked #1,321 of 1,707 scored counties
#47 of 66 scored counties in Indiana

Listings
82
3 chain locations (4%)
Official establishments
84
+13.5% since 2019
Household spending a year
$185.5M
On home repairs, maintenance and insurance · $2,966 a household
Spending per listing
$2.3M
52% below the U.S.
Listings per 10k households
13.1
2.1 times the U.S.
Population, 2025
174,262
+7.4% since 2020

See the HVAC and plumbing companies around any address in Johnson 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 Johnson 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

Johnson County scores 37 (lower middle) on the Groundwork market score for HVAC and plumbing companies, ranking #1,321 of 1,707 scored counties and #47 of 66 scored counties in Indiana. That puts it in the bottom quarter of counties.

Household spending on home repairs, maintenance and insurance in Johnson County comes to about $185.5M a year: $2,966 per household, 2% below the U.S. average. Spread across 82 HVAC and plumbing companies, that is $2.3M per company, 52% below the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

Johnson County has 82 HVAC and plumbing companies on map listings as of September 2026. 3 of them (4%) are chain locations, against 4% across the U.S. Per 10,000 households, that is 13.1, 2.1 times the U.S. rate of 6.3.

The official count of businesses with payroll classed as plumbing, heating and air-conditioning contractors in Johnson County was 84 in 2023, up 13.5% from 2019. That is one for every 745 households, against one for every 1,162 across the U.S. Since fiscal 2022, 5 SBA-backed loans worth $547K have gone to businesses classed as plumbing, heating and air-conditioning contractors in Johnson County. Between 2020 and 2025, the population of Johnson County grew 7.4%, faster than the U.S. (+3.1%).

How Johnson County compares

The same measures for Indiana 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 Johnson County, IN compared with Indiana and the U.S.
MeasureJohnson CountyIndianaU.S.
Listings per 10k households13.16.66.3
Spending per listing$2.3M$4M$4.8M
Households per official establishment7451,3531,162
Official establishment growth, 2019–2023+13.5%+5.5%+7.6%
Population growth, 2020–2025+7.4%+2.7%+3.1%
Spending per household on home repairs, maintenance and insurance$2,966$2,669$3,018
Median household income$90,454$71,957$80,734
Groundwork market score3741

Official counts and lending

Businesses

Official establishments, 2019 to 2023
74 → 84+13.5% over the period
Employees, 2023
1,481
Annual payroll, 2023
$103.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
823 chain locations
Listings at the U.S. rate for this spending
39The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
5
Amount
$547K

SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Johnson 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 Johnson County

Population, 2025 estimate
174,262+7.4% since 2020
Households
62,554
Median age
38.9
Homes lived in by their owners
73%
Vehicles per household
2.0
Land area
320 sq. mi.
People per square mile
519
Median household income
$90,454+24.9% vs. 2015–2019, before inflation
Average household income
$113,915
Median home value
$284,600
Jobs located here
66,910
Daytime population
152,891Residents who don’t work, plus everyone whose job is here

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

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HVAC and plumbing across Indiana

Every Indiana market ranked →

The highest-scoring counties in Indiana for HVAC and plumbing companies, numbered among those based in Indiana, with Johnson County marked.

Top counties in Indiana

Counties in Indiana ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Hamilton County, IN84956.9$5.1M+10.9%#36 of 1,707
2Hendricks County, IN76406.0$5.2M+10.2%#102 of 1,707
3Whitley County, IN7353.6$7.6M+2.1%#142 of 1,707
4Noble County, IN7052.8$9.4M+1.0%#196 of 1,707
5Hancock County, IN69185.4$5.6M+13.5%#233 of 1,707
6Warrick County, IN68176.8$4.4M+4.4%#260 of 1,707
7DeKalb County, IN6674.1$6.4M+2.9%#288 of 1,707
8Boone County, IN66258.7$3.9M+13.5%#316 of 1,707
9Clark County, IN65254.9$5.5M+7.5%#341 of 1,707
10Monroe County, IN62305.1$5.1M+1.9%#427 of 1,707
47Johnson County, IN378213.1$2.3M+7.4%#1,321 of 1,707

Other business types in Johnson County

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

Questions

How many HVAC and plumbing companies are in Johnson County, IN?

Map listings as of September 2026 show 82 HVAC and plumbing companies in Johnson County. 3 of them (4%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 84 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 13.5% from 2019.

How much do households in Johnson County, IN spend on home repairs, maintenance and insurance?

About $185.5M a year, or $2,966 per household. That is 2% below the U.S. average (an index of 98, where 100 is the U.S. average). Spread across the 82 HVAC and plumbing companies on map listings, it comes to $2.3M 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 62,554 households in Johnson County and national spending patterns by income.

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

Johnson County has 13.1 HVAC and plumbing companies per 10,000 households, 2.1 times the U.S. rate of 6.3. Spending per company is $2.3M, 52% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Johnson County would have about 39, against 82 on map listings. There is one business with payroll in the industry for every 745 households, against one for every 1,162 across the U.S. The official count rose 13.5% from 2019 to 2023, against +7.6% for the U.S.

How fast is Johnson County, IN growing?

Population estimates put Johnson County at 174,262 people in 2025, up 7.4% since 2020, faster than the U.S. (+3.1%). It has 62,554 households. Median household income in Johnson County is $90,454, 12% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.9%, 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. Johnson County scores 37 for HVAC and plumbing companies (lower middle), #1,321 of 1,707 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Johnson 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 Johnson 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.