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HVAC and plumbing companies in Clinton County, IL
Competitor counts, household spending and official business counts for HVAC and plumbing companies in Clinton County, IL, set against other counties and the U.S.
Groundwork market score · out of 100
Score 28 out of 100: Lower middle
Ranked #1,529 of 1,707 scored counties
#40 of 59 scored counties in Illinois
- Listings
- 14
- 0 chain locations (0%)
- Official establishments
- 21
- +5.0% since 2019
- Household spending a year
- $41.2M
- On home repairs, maintenance and insurance · $2,829 a household
- Spending per listing
- $2.9M
- 38% below the U.S.
- Listings per 10k households
- 9.6
- 52% above the U.S.
- Population, 2025
- 37,128
- +0.6% since 2020
See the HVAC and plumbing companies around any address in Clinton 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 Clinton 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
Clinton County scores 28 (lower middle) on the Groundwork market score for HVAC and plumbing companies, ranking #1,529 of 1,707 scored counties and #40 of 59 scored counties in Illinois. That puts it in the bottom quarter of counties.
As of September 2026, map listings count 14 HVAC and plumbing companies in Clinton County. None of them are chain locations, against 4% across the U.S. That comes to 9.6 for every 10,000 households, 52% above the U.S. rate of 6.3.
At $2,829 per household (6% below the U.S. average), households in Clinton County spend about $41.2M a year on home repairs, maintenance and insurance. Spread across 14 HVAC and plumbing companies, that is $2.9M per company, 38% 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 21 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Clinton County in 2023, up 5.0% from 2019. That is one for every 694 households, against one for every 1,162 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $30K has gone to businesses classed as plumbing, heating and air-conditioning contractors in Clinton County. Between 2020 and 2025, the population of Clinton County grew 0.6%, slower than the U.S. (+3.1%).
How Clinton 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 | Clinton County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 9.6 | 6.9 | 6.3 |
| Spending per listing | $2.9M | $4.2M | $4.8M |
| Households per official establishment | 694 | 1,237 | 1,162 |
| Official establishment growth, 2019–2023 | +5.0% | −0.3% | +7.6% |
| Population growth, 2020–2025 | +0.6% | −0.6% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,829 | $2,919 | $3,018 |
| Median household income | $86,588 | $83,390 | $80,734 |
| Groundwork market score | 28 | 40 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 20 → 21+5.0% over the period
- Employees, 2023
- 161
- Annual payroll, 2023
- $10.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 140 chain locations
- Listings at the U.S. rate for this spending
- 9The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $30K
SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Clinton 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 Clinton County
- Population, 2025 estimate
- 37,128+0.6% since 2020
- Households
- 14,570
- Median age
- 41.8
- Homes lived in by their owners
- 80%
- Vehicles per household
- 2.1
- Land area
- 474 sq. mi.
- People per square mile
- 78
- Median household income
- $86,588+29.9% vs. 2015–2019, before inflation
- Average household income
- $108,402
- Median home value
- $192,400
- Jobs located here
- 12,557
- Daytime population
- 31,816Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Clinton 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 Clinton 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 Clinton 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 |
| 40Clinton County, IL | 28 | 14 | 9.6 | $2.9M | +0.6% | #1,529 of 1,707 |
Other business types in Clinton 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 Clinton County, IL?
Clinton County has 14 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 21 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 5.0% from 2019.
How much do households in Clinton County, IL spend on home repairs, maintenance and insurance?
About $41.2M a year, or $2,829 per household. That is 6% below the U.S. average (an index of 94, where 100 is the U.S. average). Spread across the 14 HVAC and plumbing companies on map listings, it comes to $2.9M 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 14,570 households in Clinton County and national spending patterns by income.
How does Clinton County, IL compare with the U.S. for HVAC and plumbing companies?
Clinton County has 9.6 HVAC and plumbing companies per 10,000 households, 52% above the U.S. rate of 6.3. Spending per company is $2.9M, 38% below the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Clinton County would have about 9, against 14 on map listings. There is one business with payroll in the industry for every 694 households, against one for every 1,162 across the U.S. The official count rose 5.0% from 2019 to 2023, against +7.6% for the U.S.
How fast is Clinton County, IL growing?
Population estimates put Clinton County at 37,128 people in 2025, up 0.6% since 2020, slower than the U.S. (+3.1%). It has 14,570 households. The median household income in Clinton County is $86,588 a year, 7% above the U.S. median of $80,734. That rose 29.9% 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. Clinton County scores 28 for HVAC and plumbing companies (lower middle), #1,529 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Clinton 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 Clinton County
Screening a site or an acquisition in Clinton 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 Clinton 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.