Home services · County · Wisconsin
HVAC and plumbing companies in Fond du Lac County, WI
The HVAC and plumbing companies in Fond du Lac County, WI, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 38 out of 100: Lower middle
Ranked #1,271 of 1,707 scored counties
#27 of 50 scored counties in Wisconsin
- Listings
- 28
- 1 chain location (4%)
- Official establishments
- 50
- +19.1% since 2019
- Household spending a year
- $114.9M
- On home repairs, maintenance and insurance · $2,656 a household
- Spending per listing
- $4.1M
- 14% below the U.S.
- Listings per 10k households
- 6.5
- 3% above the U.S.
- Population, 2025
- 104,669
- +0.5% since 2020
See the HVAC and plumbing companies around any address in Fond du Lac 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 Fond du Lac 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
Households in Fond du Lac County spend about $114.9M a year on home repairs, maintenance and insurance, or $2,656 per household, 12% below the U.S. average. Spread across 28 HVAC and plumbing companies, that is $4.1M per company, 14% below the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.
There are 28 HVAC and plumbing companies on map listings in Fond du Lac County as of September 2026. One of them (4%) is a chain location, against 4% across the U.S. That comes to 6.5 for every 10,000 households, 3% above the U.S. rate of 6.3.
The official count of businesses with payroll classed as plumbing, heating and air-conditioning contractors in Fond du Lac County was 50 in 2023, up 19.1% from 2019. That is one for every 865 households, against one for every 1,162 across the U.S.
Population estimates show Fond du Lac County grew 0.5% from 2020 to 2025, slower than the U.S. (+3.1%). For HVAC and plumbing companies, Fond du Lac County has a Groundwork market score of 38 (lower middle): #1,271 of 1,707 scored counties and #27 of 50 scored counties in Wisconsin.
How Fond du Lac County compares
The same measures for Wisconsin 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 | Fond du Lac County | Wisconsin | U.S. |
|---|---|---|---|
| Listings per 10k households | 6.5 | 6.2 | 6.3 |
| Spending per listing | $4.1M | $4.5M | $4.8M |
| Households per official establishment | 865 | 1,275 | 1,162 |
| Official establishment growth, 2019–2023 | +19.1% | +1.8% | +7.6% |
| Population growth, 2020–2025 | +0.5% | +1.3% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,656 | $2,759 | $3,018 |
| Median household income | $74,275 | $77,485 | $80,734 |
| Groundwork market score | 38 | 45 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 42 → 50+19.1% over the period
- Employees, 2023
- 925
- Annual payroll, 2023
- $88.1M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 281 chain location
- Listings at the U.S. rate for this spending
- 24The 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 Fond du Lac 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 Fond du Lac County
- Population, 2025 estimate
- 104,669+0.5% since 2020
- Households
- 43,243
- Median age
- 42.0
- Homes lived in by their owners
- 71%
- Vehicles per household
- 1.9
- Land area
- 720 sq. mi.
- People per square mile
- 145
- Median household income
- $74,275+19.1% vs. 2015–2019, before inflation
- Average household income
- $92,084
- Median home value
- $222,800
- Jobs located here
- 49,885
- Daytime population
- 99,843Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Fond du Lac 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 Fond du Lac 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 Wisconsin
Every Wisconsin market ranked →The highest-scoring counties in Wisconsin for HVAC and plumbing companies, numbered among those based in Wisconsin, with Fond du Lac County marked.
Top counties in Wisconsin
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Dane County, WI | 84 | 121 | 4.8 | $6.3M | +4.9% | #34 of 1,707 |
| 2Calumet County, WI | 80 | 9 | 4.2 | $6.9M | +2.9% | #65 of 1,707 |
| 3Eau Claire County, WI | 69 | 23 | 5.1 | $5.3M | +3.0% | #238 of 1,707 |
| 4Portage County, WI | 68 | 14 | 4.7 | $5.7M | +2.2% | #251 of 1,707 |
| 5Kenosha County, WI | 68 | 35 | 5.1 | $5.5M | −0.4% | #253 of 1,707 |
| 6Milwaukee County, WI | 67 | 123 | 3.1 | $8.2M | −1.5% | #267 of 1,707 |
| 7Washington County, WI | 66 | 28 | 4.9 | $6.1M | +1.8% | #295 of 1,707 |
| 8Ozaukee County, WI | 62 | 28 | 7.3 | $4.4M | +3.0% | #437 of 1,707 |
| 9Polk County, WI | 60 | 10 | 5.1 | $5.3M | +1.7% | #493 of 1,707 |
| 10St. Croix County, WI | 59 | 30 | 8.0 | $4M | +4.7% | #546 of 1,707 |
| 27Fond du Lac County, WI | 38 | 28 | 6.5 | $4.1M | +0.5% | #1,271 of 1,707 |
Other business types in Fond du Lac 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
- Home repair trades35
- HVAC and plumbing38
- Electricians53
- Roofing and gutters27
- Lawn, cleaning and pest control39
- Landscaping and lawn care36
- House cleaning62
- Pest control25
Real estate
Funeral services
Questions
How many HVAC and plumbing companies are in Fond du Lac County, WI?
As of September 2026, map listings count 28 HVAC and plumbing companies in Fond du Lac County. One of them (4%) is a chain location. The listings count heating and air-conditioning companies and plumbers. Official counts show 50 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 19.1% from 2019.
How much do households in Fond du Lac County, WI spend on home repairs, maintenance and insurance?
About $114.9M a year, or $2,656 per household. That is 12% below the U.S. average (an index of 88, where 100 is the U.S. average). Spread across the 28 HVAC and plumbing companies on map listings, it comes to $4.1M per company. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade. It is estimated from the incomes of the 43,243 households in Fond du Lac County and national spending patterns by income.
How does Fond du Lac County, WI compare with the U.S. for HVAC and plumbing companies?
Fond du Lac County has 6.5 HVAC and plumbing companies per 10,000 households, 3% above the U.S. rate of 6.3. Spending per company is $4.1M, 14% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Fond du Lac County would have about 24, against 28 on map listings. There is one business with payroll in the industry for every 865 households, against one for every 1,162 across the U.S. The official count rose 19.1% from 2019 to 2023, against +7.6% for the U.S.
How fast is Fond du Lac County, WI growing?
Population estimates put Fond du Lac County at 104,669 people in 2025, up 0.5% since 2020, slower than the U.S. (+3.1%). It has 43,243 households. Median household income in Fond du Lac County is $74,275, 8% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 19.1%, 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. Fond du Lac County scores 38 for HVAC and plumbing companies (lower middle), #1,271 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Fond du Lac 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 Fond du Lac County
Screening a site or an acquisition in Fond du Lac 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 Fond du Lac 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.