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HVAC and plumbing companies in Jo Daviess County, IL

How Jo Daviess 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 20 out of 100: Low

Ranked #1,648 of 1,707 scored counties
#51 of 59 scored counties in Illinois

Listings
10
0 chain locations (0%)
Official establishments
14
Businesses with payroll, 2023
Household spending a year
$28.2M
On home repairs, maintenance and insurance · $2,713 a household
Spending per listing
$2.8M
41% below the U.S.
Listings per 10k households
9.6
52% above the U.S.
Population, 2025
21,594
−2.2% since 2020

See the HVAC and plumbing companies around any address in Jo Daviess 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 Jo Daviess 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

The Groundwork market score for HVAC and plumbing companies in Jo Daviess County is 20 (low), #1,648 of 1,707 scored counties and #51 of 59 scored counties in Illinois. That puts it in the bottom quarter of counties.

As of September 2026, map listings count 10 HVAC and plumbing companies in Jo Daviess 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.

Household spending on home repairs, maintenance and insurance in Jo Daviess County comes to about $28.2M a year: $2,713 per household, 10% below the U.S. average. Spread across 10 HVAC and plumbing companies, that is $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.

The official count of businesses with payroll classed as plumbing, heating and air-conditioning contractors in Jo Daviess County was 14 in 2023. That is one for every 742 households, against one for every 1,162 across the U.S. Population estimates show Jo Daviess County declined 2.2% from 2020 to 2025, against +3.1% for the U.S.

How Jo Daviess 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 Jo Daviess County, IL compared with Illinois and the U.S.
MeasureJo Daviess CountyIllinoisU.S.
Listings per 10k households9.66.96.3
Spending per listing$2.8M$4.2M$4.8M
Households per official establishment7421,2371,162
Official establishment growth, 2019–2023n/a−0.3%+7.6%
Population growth, 2020–2025−2.2%−0.6%+3.1%
Spending per household on home repairs, maintenance and insurance$2,713$2,919$3,018
Median household income$73,993$83,390$80,734
Groundwork market score2040

Official counts and lending

Businesses

Official establishments, 2019 to 2023
13 → 14
Employees, 2023
92
Annual payroll, 2023
$5.6M
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
6The 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 Jo Daviess 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 Jo Daviess County

Population, 2025 estimate
21,594−2.2% since 2020
Households
10,391
Median age
50.6
Homes lived in by their owners
80%
Vehicles per household
1.9
Land area
601 sq. mi.
People per square mile
36
Median household income
$73,993+27.7% vs. 2015–2019, before inflation
Average household income
$95,031
Median home value
$209,900
Jobs located here
7,006
Daytime population
19,150Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Jo Daviess 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 Jo Daviess 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 Jo Daviess 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
51Jo Daviess County, IL20109.6$2.8M−2.2%#1,648 of 1,707

Other business types in Jo Daviess County

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

Questions

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

Jo Daviess County has 10 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 14 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023.

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

About $28.2M a year, or $2,713 per household. That is 10% below the U.S. average (an index of 90, where 100 is the U.S. average). Spread across the 10 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 10,391 households in Jo Daviess County and national spending patterns by income.

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

Jo Daviess 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 $2.8M, 41% below the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Jo Daviess County would have about 6, against 10 on map listings. There is one business with payroll in the industry for every 742 households, against one for every 1,162 across the U.S.

How fast is Jo Daviess County, IL growing?

Population estimates put Jo Daviess County at 21,594 people in 2025, down 2.2% since 2020, against +3.1% for the U.S. It has 10,391 households. The median household income in Jo Daviess County is $73,993 a year, 8% below the U.S. median of $80,734. That rose 27.7% 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. Jo Daviess County scores 20 for HVAC and plumbing companies (low), #1,648 of 1,707 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Jo Daviess 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 Jo Daviess County

Screening a site or an acquisition in Jo Daviess 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 Jo Daviess 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.