Home services · County · Illinois
HVAC and plumbing companies in Stephenson County, IL
How Stephenson 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 16 out of 100: Low
Ranked #1,680 of 1,707 scored counties
#56 of 59 scored counties in Illinois
- Listings
- 21
- 2 chain locations (10%)
- Official establishments
- 18
- −14.3% since 2019
- Household spending a year
- $47.8M
- On home repairs, maintenance and insurance · $2,470 a household
- Spending per listing
- $2.3M
- 52% below the U.S.
- Listings per 10k households
- 10.8
- 71% above the U.S.
- Population, 2025
- 43,220
- −3.0% since 2020
See the HVAC and plumbing companies around any address in Stephenson 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 Stephenson 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
The Groundwork market score for HVAC and plumbing companies in Stephenson County is 16 (low), #1,680 of 1,707 scored counties and #56 of 59 scored counties in Illinois. That puts it in the bottom quarter of counties.
Map listings as of September 2026 show 21 HVAC and plumbing companies in Stephenson County. Chain locations make up 10% of them, against 4% across the U.S. That comes to 10.8 for every 10,000 households, 71% above the U.S. rate of 6.3.
Households in Stephenson County spend about $47.8M a year on home repairs, maintenance and insurance, or $2,470 per household, 18% below the U.S. average. That is about $2.3M of household spending for each company on map listings, 52% 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 Stephenson County in 2023, down 14.3% from 2019. That is one for every 1,075 households, against one for every 1,162 across the U.S. Population estimates put the population change in Stephenson County from 2020 to 2025 at −3.0%, against +3.1% for the U.S.
How Stephenson 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 | Stephenson County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 10.8 | 6.9 | 6.3 |
| Spending per listing | $2.3M | $4.2M | $4.8M |
| Households per official establishment | 1,075 | 1,237 | 1,162 |
| Official establishment growth, 2019–2023 | −14.3% | −0.3% | +7.6% |
| Population growth, 2020–2025 | −3.0% | −0.6% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,470 | $2,919 | $3,018 |
| Median household income | $64,043 | $83,390 | $80,734 |
| Groundwork market score | 16 | 40 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 21 → 18−14.3% over the period
- Employees, 2023
- 1,149
- Annual payroll, 2023
- $115.1M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 212 chain locations
- Listings at the U.S. rate for this spending
- 10The 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 Stephenson 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 Stephenson County
- Population, 2025 estimate
- 43,220−3.0% since 2020
- Households
- 19,358
- Median age
- 45.6
- Homes lived in by their owners
- 71%
- Vehicles per household
- 1.7
- Land area
- 564 sq. mi.
- People per square mile
- 78
- Median household income
- $64,043+31.2% vs. 2015–2019, before inflation
- Average household income
- $79,920
- Median home value
- $134,900
- Jobs located here
- 17,326
- Daytime population
- 40,359Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Stephenson 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 Stephenson 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 Stephenson 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 |
| 56Stephenson County, IL | 16 | 21 | 10.8 | $2.3M | −3.0% | #1,680 of 1,707 |
Other business types in Stephenson 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 Stephenson County, IL?
There are 21 HVAC and plumbing companies on map listings in Stephenson County as of September 2026. 2 of them (10%) 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, down 14.3% from 2019.
How much do households in Stephenson County, IL spend on home repairs, maintenance and insurance?
About $47.8M a year, or $2,470 per household. That is 18% below the U.S. average (an index of 82, where 100 is the U.S. average). Spread across the 21 HVAC and plumbing companies on map listings, it comes to $2.3M 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 19,358 households in Stephenson County and national spending patterns by income.
How does Stephenson County, IL compare with the U.S. for HVAC and plumbing companies?
Stephenson County has 10.8 HVAC and plumbing companies per 10,000 households, 71% above the U.S. rate of 6.3. Spending per company is $2.3M, 52% below the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Stephenson County would have about 10, against 21 on map listings. There is one business with payroll in the industry for every 1,075 households, against one for every 1,162 across the U.S. The official count fell 14.3% from 2019 to 2023, against +7.6% for the U.S.
How fast is Stephenson County, IL growing?
Population estimates put Stephenson County at 43,220 people in 2025, down 3.0% since 2020, against +3.1% for the U.S. It has 19,358 households. The median household income in Stephenson County is $64,043 a year, 21% below the U.S. median of $80,734. That rose 31.2% 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. Stephenson County scores 16 for HVAC and plumbing companies (low), #1,680 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Stephenson 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 Stephenson County
Screening a site or an acquisition in Stephenson 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 Stephenson 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.