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HVAC and plumbing companies in Cook County, IL

How Cook County, IL 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 65 out of 100: Upper middle

Ranked #335 of 1,707 scored counties
#1 of 59 scored counties in Illinois

Listings
1,095
26 chain locations (2%)
Official establishments
1,377
+2.4% since 2019
Household spending a year
$6.2B
On home repairs, maintenance and insurance · $2,946 a household
Spending per listing
$5.7M
19% above the U.S.
Listings per 10k households
5.2
17% below the U.S.
Population, 2025
5,194,625
−1.3% since 2020

See the HVAC and plumbing companies around any address in Cook 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 Cook 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 Cook County comes to about $6.2B a year: $2,946 per household, 2% below the U.S. average. Spread across 1,095 HVAC and plumbing companies, that is $5.7M per company, 19% above the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

Cook County has 1,095 HVAC and plumbing companies on map listings as of September 2026. 26 of them (2%) are chain locations, against 4% across the U.S. That is 5.2 per 10,000 households, 17% below the U.S. rate of 6.3.

In 2023, official counts showed 1,377 businesses with payroll in Cook County classed as plumbing, heating and air-conditioning contractors, up 2.4% from 2019. That is one for every 1,525 households, against one for every 1,162 across the U.S. Since fiscal 2022, 66 SBA-backed loans worth $23M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Cook County.

Population estimates show Cook County declined 1.3% from 2020 to 2025, against +3.1% for the U.S. Cook County scores 65 (upper middle) on the Groundwork market score for HVAC and plumbing companies, ranking #335 of 1,707 scored counties and #1 of 59 scored counties in Illinois. That puts it in the top quarter of counties.

How Cook County compares

The same measures for Illinois 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 Cook County, IL compared with Illinois and the U.S.
MeasureCook CountyIllinoisU.S.
Listings per 10k households5.26.96.3
Spending per listing$5.7M$4.2M$4.8M
Households per official establishment1,5251,2371,162
Official establishment growth, 2019–2023+2.4%−0.3%+7.6%
Population growth, 2020–2025−1.3%−0.6%+3.1%
Spending per household on home repairs, maintenance and insurance$2,946$2,919$3,018
Median household income$83,498$83,390$80,734
Groundwork market score6540

Official counts and lending

Businesses

Official establishments, 2019 to 2023
1,345 → 1,377+2.4% over the period
Employees, 2023
15,401
Annual payroll, 2023
$1.4B
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
1,09526 chain locations
Listings at the U.S. rate for this spending
1,301The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
66
Amount
$23M

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

Population, 2025 estimate
5,194,625−1.3% since 2020
Households
2,100,230
Median age
39.2
Homes lived in by their owners
58%
Vehicles per household
1.4
Land area
945 sq. mi.
People per square mile
5,484
Median household income
$83,498+29.1% vs. 2015–2019, before inflation
Average household income
$120,729
Median home value
$324,500
Jobs located here
2,683,238
Daytime population
5,468,881Residents who don’t work, plus everyone whose job is here

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

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HVAC and plumbing across Illinois

Every Illinois market ranked →

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

Top counties in Illinois

Counties in Illinois ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Cook County, IL651,0955.2$5.7M−1.3%#335 of 1,707
2Rock Island County, IL63213.4$7.4M−1.7%#384 of 1,707
3Ogle County, IL63115.3$5.2M−0.7%#395 of 1,707
4Henry County, IL6283.9$6.8M−2.2%#409 of 1,707
5Franklin County, IL5953.1$7.5M−2.1%#511 of 1,707
6St. Clair County, IL59535.3$5.2M−2.5%#530 of 1,707
7Monroe County, IL57107.2$4.4M−0.3%#613 of 1,707
8Sangamon County, IL56465.4$5M−1.0%#635 of 1,707
9Champaign County, IL52546.3$4.1M+1.8%#791 of 1,707
10Kendall County, IL524810.6$3.1M+9.9%#802 of 1,707

Other business types in Cook County

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

Questions

How many HVAC and plumbing companies are in Cook County, IL?

Map listings as of September 2026 show 1,095 HVAC and plumbing companies in Cook County. 26 of them (2%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 1,377 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 2.4% from 2019.

How much do households in Cook County, IL spend on home repairs, maintenance and insurance?

About $6.2B a year, or $2,946 per household. That is 2% below the U.S. average (an index of 98, where 100 is the U.S. average). Spread across the 1,095 HVAC and plumbing companies on map listings, it comes to $5.7M 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 2,100,230 households in Cook County and national spending patterns by income.

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

Cook County has 5.2 HVAC and plumbing companies per 10,000 households, 17% below the U.S. rate of 6.3. Spending per company is $5.7M, 19% above the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Cook County would have about 1,301, against 1,095 on map listings. There is one business with payroll in the industry for every 1,525 households, against one for every 1,162 across the U.S. The official count rose 2.4% from 2019 to 2023, against +7.6% for the U.S.

How fast is Cook County, IL growing?

Population estimates put Cook County at 5,194,625 people in 2025, down 1.3% since 2020, against +3.1% for the U.S. It has 2,100,230 households. Median household income in Cook County is $83,498, 3% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.1%, 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. Cook County scores 65 for HVAC and plumbing companies (upper middle), #335 of 1,707 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Cook 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 Cook 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.