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HVAC and plumbing companies in Rock County, WI

Competitor counts, household spending and official business counts for HVAC and plumbing companies in Rock County, WI, set against other counties and the U.S.

Groundwork market score · out of 100

Score 57 out of 100: Upper middle

Ranked #611 of 1,707 scored counties
#11 of 50 scored counties in Wisconsin

Listings
40
0 chain locations (0%)
Official establishments
46
+7.0% since 2019
Household spending a year
$178.9M
On home repairs, maintenance and insurance · $2,663 a household
Spending per listing
$4.5M
6% below the U.S.
Listings per 10k households
6.0
5% below the U.S.
Population, 2025
166,472
+1.7% since 2020

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

At $2,663 per household (12% below the U.S. average), households in Rock County spend about $178.9M a year on home repairs, maintenance and insurance. That is about $4.5M of household spending for each company on map listings, 6% below the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

There are 40 HVAC and plumbing companies on map listings in Rock County as of September 2026. None of them are chain locations, against 4% across the U.S. That is 6.0 per 10,000 households, 5% below the U.S. rate of 6.3.

Official counts show 46 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Rock County in 2023, up 7.0% from 2019. That is one for every 1,461 households, against one for every 1,162 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $37K has gone to businesses classed as plumbing, heating and air-conditioning contractors in Rock County.

Between 2020 and 2025, the population of Rock County grew 1.7%, slower than the U.S. (+3.1%). The Groundwork market score for HVAC and plumbing companies in Rock County is 57 (upper middle), #611 of 1,707 scored counties and #11 of 50 scored counties in Wisconsin.

How Rock County compares

The same measures for Wisconsin 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 Rock County, WI compared with Wisconsin and the U.S.
MeasureRock CountyWisconsinU.S.
Listings per 10k households6.06.26.3
Spending per listing$4.5M$4.5M$4.8M
Households per official establishment1,4611,2751,162
Official establishment growth, 2019–2023+7.0%+1.8%+7.6%
Population growth, 2020–2025+1.7%+1.3%+3.1%
Spending per household on home repairs, maintenance and insurance$2,663$2,759$3,018
Median household income$75,673$77,485$80,734
Groundwork market score5745

Official counts and lending

Businesses

Official establishments, 2019 to 2023
43 → 46+7.0% over the period
Employees, 2023
334
Annual payroll, 2023
$20.7M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
400 chain locations
Listings at the U.S. rate for this spending
38The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$37K

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

Population, 2025 estimate
166,472+1.7% since 2020
Households
67,201
Median age
40.7
Homes lived in by their owners
71%
Vehicles per household
1.9
Land area
718 sq. mi.
People per square mile
229
Median household income
$75,673+30.8% vs. 2015–2019, before inflation
Average household income
$91,984
Median home value
$231,600
Jobs located here
69,632
Daytime population
154,793Residents who don’t work, plus everyone whose job is here

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

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HVAC and plumbing across Wisconsin

Every Wisconsin market ranked →

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

Top counties in Wisconsin

Counties in Wisconsin ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Dane County, WI841214.8$6.3M+4.9%#34 of 1,707
2Calumet County, WI8094.2$6.9M+2.9%#65 of 1,707
3Eau Claire County, WI69235.1$5.3M+3.0%#238 of 1,707
4Portage County, WI68144.7$5.7M+2.2%#251 of 1,707
5Kenosha County, WI68355.1$5.5M−0.4%#253 of 1,707
6Milwaukee County, WI671233.1$8.2M−1.5%#267 of 1,707
7Washington County, WI66284.9$6.1M+1.8%#295 of 1,707
8Ozaukee County, WI62287.3$4.4M+3.0%#437 of 1,707
9Polk County, WI60105.1$5.3M+1.7%#493 of 1,707
10St. Croix County, WI59308.0$4M+4.7%#546 of 1,707
11Rock County, WI57406.0$4.5M+1.7%#611 of 1,707

Other business types in Rock County

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

Questions

How many HVAC and plumbing companies are in Rock County, WI?

As of September 2026, map listings count 40 HVAC and plumbing companies in Rock County. None of them are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 46 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 7.0% from 2019.

How much do households in Rock County, WI spend on home repairs, maintenance and insurance?

About $178.9M a year, or $2,663 per household. That is 12% below the U.S. average (an index of 88, where 100 is the U.S. average). Spread across the 40 HVAC and plumbing companies on map listings, it comes to $4.5M 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 67,201 households in Rock County and national spending patterns by income.

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

Rock County has 6.0 HVAC and plumbing companies per 10,000 households, 5% below the U.S. rate of 6.3. Spending per company is $4.5M, 6% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Rock County would have about 38, against 40 on map listings. There is one business with payroll in the industry for every 1,461 households, against one for every 1,162 across the U.S. The official count rose 7.0% from 2019 to 2023, against +7.6% for the U.S.

How fast is Rock County, WI growing?

Population estimates put Rock County at 166,472 people in 2025, up 1.7% since 2020, slower than the U.S. (+3.1%). It has 67,201 households. Median household income in Rock County is $75,673, 6% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 30.8%, 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. Rock County scores 57 for HVAC and plumbing companies (upper middle), #611 of 1,707 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Rock 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 Rock 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.