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HVAC and plumbing companies in Monroe County, IL
The HVAC and plumbing companies in Monroe County, IL, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 57 out of 100: Upper middle
Ranked #613 of 1,707 scored counties
#7 of 59 scored counties in Illinois
- Listings
- 10
- 0 chain locations (0%)
- Official establishments
- 11
- Businesses with payroll, 2023
- Household spending a year
- $43.9M
- On home repairs, maintenance and insurance · $3,173 a household
- Spending per listing
- $4.4M
- 8% below the U.S.
- Listings per 10k households
- 7.2
- 14% above the U.S.
- Population, 2025
- 34,840
- −0.3% since 2020
See the HVAC and plumbing companies around any address in Monroe 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 Monroe 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
Map listings as of September 2026 show 10 HVAC and plumbing companies in Monroe County. None of them are chain locations, against 4% across the U.S. That comes to 7.2 for every 10,000 households, 14% above the U.S. rate of 6.3.
Households in Monroe County spend about $43.9M a year on home repairs, maintenance and insurance, or $3,173 per household, 5% above the U.S. average. That works out to $4.4M per company, 8% 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.
The official count of businesses with payroll classed as plumbing, heating and air-conditioning contractors in Monroe County was 11 in 2023. That is one for every 1,259 households, against one for every 1,162 across the U.S.
Population estimates put the population change in Monroe County from 2020 to 2025 at −0.3%, against +3.1% for the U.S. The Groundwork market score for HVAC and plumbing companies in Monroe County is 57 (upper middle), #613 of 1,707 scored counties and #7 of 59 scored counties in Illinois.
How Monroe 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 | Monroe County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 7.2 | 6.9 | 6.3 |
| Spending per listing | $4.4M | $4.2M | $4.8M |
| Households per official establishment | 1,259 | 1,237 | 1,162 |
| Official establishment growth, 2019–2023 | n/a | −0.3% | +7.6% |
| Population growth, 2020–2025 | −0.3% | −0.6% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $3,173 | $2,919 | $3,018 |
| Median household income | $102,880 | $83,390 | $80,734 |
| Groundwork market score | 57 | 40 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 13 → 11
- Employees, 2023
- 50
- Annual payroll, 2023
- $4.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 100 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
- 0
- Amount
- $0
SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Monroe 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 Monroe County
- Population, 2025 estimate
- 34,840−0.3% since 2020
- Households
- 13,851
- Median age
- 43.5
- Homes lived in by their owners
- 85%
- Vehicles per household
- 2.1
- Land area
- 385 sq. mi.
- People per square mile
- 91
- Median household income
- $102,880+20.0% vs. 2015–2019, before inflation
- Average household income
- $123,402
- Median home value
- $282,100
- Jobs located here
- 9,117
- Daytime population
- 25,946Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Monroe 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 Monroe 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 Monroe 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 |
Other business types in Monroe 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 Monroe County, IL?
There are 10 HVAC and plumbing companies on map listings in Monroe County as of September 2026. None of them are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 11 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023.
How much do households in Monroe County, IL spend on home repairs, maintenance and insurance?
About $43.9M a year, or $3,173 per household. That is 5% above the U.S. average (an index of 105, where 100 is the U.S. average). Spread across the 10 HVAC and plumbing companies on map listings, it comes to $4.4M 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 13,851 households in Monroe County and national spending patterns by income.
How does Monroe County, IL compare with the U.S. for HVAC and plumbing companies?
Monroe County has 7.2 HVAC and plumbing companies per 10,000 households, 14% above the U.S. rate of 6.3. Spending per company is $4.4M, 8% below the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Monroe County would have about 9, against 10 on map listings. There is one business with payroll in the industry for every 1,259 households, against one for every 1,162 across the U.S.
How fast is Monroe County, IL growing?
Population estimates put Monroe County at 34,840 people in 2025, down 0.3% since 2020, against +3.1% for the U.S. It has 13,851 households. The median household income in Monroe County is $102,880 a year, 27% above the U.S. median of $80,734. That rose 20.0% 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. Monroe County scores 57 for HVAC and plumbing companies (upper middle), #613 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Monroe 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 Monroe County
Screening a site or an acquisition in Monroe 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 Monroe 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.