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HVAC and plumbing companies in Grundy County, IL
The HVAC and plumbing companies in Grundy County, IL, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 44 out of 100: Lower middle
Ranked #1,085 of 1,707 scored counties
#18 of 59 scored counties in Illinois
- Listings
- 22
- 0 chain locations (0%)
- Official establishments
- 18
- Businesses with payroll, 2023
- Household spending a year
- $62M
- On home repairs, maintenance and insurance · $3,011 a household
- Spending per listing
- $2.8M
- 41% below the U.S.
- Listings per 10k households
- 10.7
- 70% above the U.S.
- Population, 2025
- 54,052
- +2.9% since 2020
See the HVAC and plumbing companies around any address in Grundy 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 Grundy 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
As of September 2026, map listings count 22 HVAC and plumbing companies in Grundy County. None of them are chain locations, against 4% across the U.S. That is 10.7 per 10,000 households, 70% above the U.S. rate of 6.3.
Households in Grundy County spend about $62M a year on home repairs, maintenance and insurance, or $3,011 per household, in line with the U.S. average. That works out to $2.8M per company, 41% below the U.S. figure of $4.8M. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade.
Official counts show 18 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Grundy County in 2023. That is one for every 1,144 households, against one for every 1,162 across the U.S.
Between 2020 and 2025, the population of Grundy County grew 2.9%, in step with the U.S. (+3.1%). Grundy County scores 44 (lower middle) on the Groundwork market score for HVAC and plumbing companies, ranking #1,085 of 1,707 scored counties and #18 of 59 scored counties in Illinois.
How Grundy 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.
| Measure | Grundy County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 10.7 | 6.9 | 6.3 |
| Spending per listing | $2.8M | $4.2M | $4.8M |
| Households per official establishment | 1,144 | 1,237 | 1,162 |
| Official establishment growth, 2019–2023 | n/a | −0.3% | +7.6% |
| Population growth, 2020–2025 | +2.9% | −0.6% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $3,011 | $2,919 | $3,018 |
| Median household income | $92,235 | $83,390 | $80,734 |
| Groundwork market score | 44 | 40 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 19 → 18
- Employees, 2023
- 240
- Annual payroll, 2023
- $23.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 220 chain locations
- 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 Grundy 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 Grundy County
- Population, 2025 estimate
- 54,052+2.9% since 2020
- Households
- 20,595
- Median age
- 39.5
- Homes lived in by their owners
- 74%
- Vehicles per household
- 2.1
- Land area
- 418 sq. mi.
- People per square mile
- 127
- Median household income
- $92,235+19.2% vs. 2015–2019, before inflation
- Average household income
- $111,828
- Median home value
- $271,700
- Jobs located here
- 22,659
- Daytime population
- 48,130Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Grundy 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 Grundy 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 Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for HVAC and plumbing companies, numbered among those based in Illinois, with Grundy County marked.
Top counties in Illinois
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Cook County, IL | 65 | 1,095 | 5.2 | $5.7M | −1.3% | #335 of 1,707 |
| 2Rock Island County, IL | 63 | 21 | 3.4 | $7.4M | −1.7% | #384 of 1,707 |
| 3Ogle County, IL | 63 | 11 | 5.3 | $5.2M | −0.7% | #395 of 1,707 |
| 4Henry County, IL | 62 | 8 | 3.9 | $6.8M | −2.2% | #409 of 1,707 |
| 5Franklin County, IL | 59 | 5 | 3.1 | $7.5M | −2.1% | #511 of 1,707 |
| 6St. Clair County, IL | 59 | 53 | 5.3 | $5.2M | −2.5% | #530 of 1,707 |
| 7Monroe County, IL | 57 | 10 | 7.2 | $4.4M | −0.3% | #613 of 1,707 |
| 8Sangamon County, IL | 56 | 46 | 5.4 | $5M | −1.0% | #635 of 1,707 |
| 9Champaign County, IL | 52 | 54 | 6.3 | $4.1M | +1.8% | #791 of 1,707 |
| 10Kendall County, IL | 52 | 48 | 10.6 | $3.1M | +9.9% | #802 of 1,707 |
| 18Grundy County, IL | 44 | 22 | 10.7 | $2.8M | +2.9% | #1,085 of 1,707 |
Other business types in Grundy 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
Real estate
Funeral services
Questions
How many HVAC and plumbing companies are in Grundy County, IL?
Grundy County has 22 HVAC and plumbing companies on map listings as of September 2026. None of them are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 18 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023.
How much do households in Grundy County, IL spend on home repairs, maintenance and insurance?
About $62M a year, or $3,011 per household. That is in line with the U.S. average (an index of 100, where 100 is the U.S. average). Spread across the 22 HVAC and plumbing companies on map listings, it comes to $2.8M per company. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies. It is estimated from the incomes of the 20,595 households in Grundy County and national spending patterns by income.
How does Grundy County, IL compare with the U.S. for HVAC and plumbing companies?
Grundy County has 10.7 HVAC and plumbing companies per 10,000 households, 70% above the U.S. rate of 6.3. Spending per company is $2.8M, 41% below the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Grundy County would have about 13, against 22 on map listings. There is one business with payroll in the industry for every 1,144 households, against one for every 1,162 across the U.S.
How fast is Grundy County, IL growing?
Population estimates put Grundy County at 54,052 people in 2025, up 2.9% since 2020, in step with the U.S. (+3.1%). It has 20,595 households. The median household income in Grundy County is $92,235 a year, 14% above the U.S. median of $80,734. That rose 19.2% from the 2015–2019 survey, 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. Grundy County scores 44 for HVAC and plumbing companies (lower middle), #1,085 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Grundy 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 Grundy County
Screening a site or an acquisition in Grundy 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 Grundy 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.