Home services · County · Iowa
HVAC and plumbing companies in Clay County, IA
The HVAC and plumbing companies in Clay County, IA, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 36 out of 100: Lower middle
Ranked #1,330 of 1,707 scored counties
#19 of 42 scored counties in Iowa
- Listings
- 5
- 0 chain locations (0%)
- Official establishments
- 6
- Businesses with payroll, 2023
- Household spending a year
- $18.6M
- On home repairs, maintenance and insurance · $2,557 a household
- Spending per listing
- $3.7M
- 22% below the U.S.
- Listings per 10k households
- 6.9
- 10% above the U.S.
- Population, 2025
- 16,202
- −0.8% since 2020
See the HVAC and plumbing companies around any address in Clay 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 Clay 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 Clay County is 36 (lower middle), #1,330 of 1,707 scored counties and #19 of 42 scored counties in Iowa. That puts it in the bottom quarter of counties.
Map listings as of September 2026 show 5 HVAC and plumbing companies in Clay County. None of them are chain locations, against 4% across the U.S. That is 6.9 per 10,000 households, 10% above the U.S. rate of 6.3.
Household spending on home repairs, maintenance and insurance in Clay County comes to about $18.6M a year: $2,557 per household, 15% below the U.S. average. That is about $3.7M of household spending for each company on map listings, 22% 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 Clay County was 6 in 2023. That is one for every 1,214 households, against one for every 1,162 across the U.S. Population estimates show Clay County declined 0.8% from 2020 to 2025, against +3.1% for the U.S.
How Clay County compares
The same measures for Iowa 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 | Clay County | Iowa | U.S. |
|---|---|---|---|
| Listings per 10k households | 6.9 | 6.1 | 6.3 |
| Spending per listing | $3.7M | $4.5M | $4.8M |
| Households per official establishment | 1,214 | 1,187 | 1,162 |
| Official establishment growth, 2019–2023 | n/a | +3.6% | +7.6% |
| Population growth, 2020–2025 | −0.8% | +1.5% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,557 | $2,714 | $3,018 |
| Median household income | $65,428 | $75,059 | $80,734 |
| Groundwork market score | 36 | 38 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 7 → 6
- Employees, 2023
- 44
- Annual payroll, 2023
- $1.7M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 50 chain locations
- Listings at the U.S. rate for this spending
- 4The 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 Clay 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 Clay County
- Population, 2025 estimate
- 16,202−0.8% since 2020
- Households
- 7,282
- Median age
- 43.1
- Homes lived in by their owners
- 73%
- Vehicles per household
- 1.9
- Land area
- 567 sq. mi.
- People per square mile
- 29
- Median household income
- $65,428+29.5% vs. 2015–2019, before inflation
- Average household income
- $83,614
- Median home value
- $178,600
- Jobs located here
- 8,325
- Daytime population
- 16,701Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Clay 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 Clay 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 Iowa
Every Iowa market ranked →The highest-scoring counties in Iowa for HVAC and plumbing companies, numbered among those based in Iowa, with Clay County marked.
Top counties in Iowa
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Dallas County, IA | 91 | 17 | 4.0 | $8.2M | +17.8% | #5 of 1,707 |
| 2Polk County, IA | 73 | 115 | 5.6 | $5.2M | +4.8% | #158 of 1,707 |
| 3Johnson County, IA | 69 | 36 | 5.7 | $4.9M | +4.6% | #241 of 1,707 |
| 4Black Hawk County, IA | 66 | 21 | 3.8 | $6.7M | +0.4% | #287 of 1,707 |
| 5Linn County, IA | 61 | 54 | 5.6 | $5M | +0.7% | #463 of 1,707 |
| 6Bremer County, IA | 58 | 6 | 6.2 | $4.5M | +1.1% | #573 of 1,707 |
| 7Scott County, IA | 58 | 46 | 6.3 | $4.4M | +0.4% | #578 of 1,707 |
| 8Warren County, IA | 58 | 15 | 7.3 | $4.1M | +9.0% | #587 of 1,707 |
| 9Story County, IA | 54 | 21 | 5.4 | $5M | +2.7% | #701 of 1,707 |
| 10Dickinson County, IA | 53 | 5 | 5.7 | $5M | +1.7% | #737 of 1,707 |
| 19Clay County, IA | 36 | 5 | 6.9 | $3.7M | −0.8% | #1,330 of 1,707 |
Other business types in Clay 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 Clay County, IA?
There are 5 HVAC and plumbing companies on map listings in Clay County as of September 2026. None of them are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 6 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023.
How much do households in Clay County, IA spend on home repairs, maintenance and insurance?
About $18.6M a year, or $2,557 per household. That is 15% below the U.S. average (an index of 85, where 100 is the U.S. average). Spread across the 5 HVAC and plumbing companies on map listings, it comes to $3.7M 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 7,282 households in Clay County and national spending patterns by income.
How does Clay County, IA compare with the U.S. for HVAC and plumbing companies?
Clay County has 6.9 HVAC and plumbing companies per 10,000 households, 10% above the U.S. rate of 6.3. Spending per company is $3.7M, 22% below the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Clay County would have about 4, against 5 on map listings. There is one business with payroll in the industry for every 1,214 households, against one for every 1,162 across the U.S.
How fast is Clay County, IA growing?
Population estimates put Clay County at 16,202 people in 2025, down 0.8% since 2020, against +3.1% for the U.S. It has 7,282 households. The median household income in Clay County is $65,428 a year, 19% below the U.S. median of $80,734. That rose 29.5% 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. Clay County scores 36 for HVAC and plumbing companies (lower middle), #1,330 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Clay 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 Clay County
Screening a site or an acquisition in Clay 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 Clay 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.