Home services · County · Idaho
HVAC and plumbing companies in Jerome County, ID
How Jerome County, ID 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 51 out of 100: Upper middle
Ranked #840 of 1,707 scored counties
#7 of 16 scored counties in Idaho
- Listings
- 7
- 0 chain locations (0%)
- Official establishments
- 6
- Businesses with payroll, 2023
- Household spending a year
- $22.2M
- On home repairs, maintenance and insurance · $2,676 a household
- Spending per listing
- $3.2M
- 33% below the U.S.
- Listings per 10k households
- 8.5
- 35% above the U.S.
- Population, 2025
- 26,362
- +8.6% since 2020
See the HVAC and plumbing companies around any address in Jerome 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 Jerome 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 7 HVAC and plumbing companies in Jerome County. None of them are chain locations, against 4% across the U.S. That comes to 8.5 for every 10,000 households, 35% above the U.S. rate of 6.3.
At $2,676 per household (11% below the U.S. average), households in Jerome County spend about $22.2M a year on home repairs, maintenance and insurance. That is about $3.2M of household spending for each company on map listings, 33% 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 6 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Jerome County in 2023. That is one for every 1,380 households, against one for every 1,162 across the U.S.
Between 2020 and 2025, the population of Jerome County grew 8.6%, faster than the U.S. (+3.1%). Jerome County scores 51 (upper middle) on the Groundwork market score for HVAC and plumbing companies, ranking #840 of 1,707 scored counties and #7 of 16 scored counties in Idaho.
How Jerome County compares
The same measures for Idaho 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 | Jerome County | Idaho | U.S. |
|---|---|---|---|
| Listings per 10k households | 8.5 | 7.4 | 6.3 |
| Spending per listing | $3.2M | $3.8M | $4.8M |
| Households per official establishment | 1,380 | 789 | 1,162 |
| Official establishment growth, 2019–2023 | n/a | +19.3% | +7.6% |
| Population growth, 2020–2025 | +8.6% | +9.8% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,676 | $2,781 | $3,018 |
| Median household income | $71,724 | $77,800 | $80,734 |
| Groundwork market score | 51 | 32 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 6 → 6
- Employees, 2023
- 108
- Annual payroll, 2023
- $6.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 70 chain locations
- Listings at the U.S. rate for this spending
- 5The 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 Jerome 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 Jerome County
- Population, 2025 estimate
- 26,362+8.6% since 2020
- Households
- 8,277
- Median age
- 35.5
- Homes lived in by their owners
- 75%
- Vehicles per household
- 2.4
- Land area
- 598 sq. mi.
- People per square mile
- 42
- Median household income
- $71,724+35.5% vs. 2015–2019, before inflation
- Average household income
- $89,909
- Median home value
- $271,800
- Jobs located here
- 10,794
- Daytime population
- 24,795Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Jerome 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 Jerome 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 Idaho
Every Idaho market ranked →The highest-scoring counties in Idaho for HVAC and plumbing companies, numbered among those based in Idaho, with Jerome County marked.
Top counties in Idaho
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Latah County, ID | 75 | 6 | 3.7 | $6.9M | +5.6% | #115 of 1,707 |
| 2Jefferson County, ID | 61 | 5 | 4.9 | $5.8M | +13.6% | #451 of 1,707 |
| 3Ada County, ID | 56 | 162 | 8.0 | $3.8M | +9.6% | #658 of 1,707 |
| 4Bonner County, ID | 54 | 11 | 5.4 | $4.9M | +14.8% | #702 of 1,707 |
| 5Payette County, ID | 53 | 6 | 6.2 | $4.2M | +8.8% | #753 of 1,707 |
| 6Cassia County, ID | 51 | 5 | 5.9 | $4.4M | +6.6% | #818 of 1,707 |
| 7Jerome County, ID | 51 | 7 | 8.5 | $3.2M | +8.6% | #840 of 1,707 |
| 8Bingham County, ID | 46 | 11 | 6.8 | $4M | +6.4% | #997 of 1,707 |
| 9Nez Perce County, ID | 46 | 12 | 6.9 | $3.8M | +1.8% | #999 of 1,707 |
| 10Kootenai County, ID | 44 | 57 | 8.0 | $3.5M | +11.0% | #1,072 of 1,707 |
Other business types in Jerome 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 Jerome County, ID?
There are 7 HVAC and plumbing companies on map listings in Jerome 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 Jerome County, ID spend on home repairs, maintenance and insurance?
About $22.2M a year, or $2,676 per household. That is 11% below the U.S. average (an index of 89, where 100 is the U.S. average). Spread across the 7 HVAC and plumbing companies on map listings, it comes to $3.2M 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 8,277 households in Jerome County and national spending patterns by income.
How does Jerome County, ID compare with the U.S. for HVAC and plumbing companies?
Jerome County has 8.5 HVAC and plumbing companies per 10,000 households, 35% above the U.S. rate of 6.3. Spending per company is $3.2M, 33% below the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Jerome County would have about 5, against 7 on map listings. There is one business with payroll in the industry for every 1,380 households, against one for every 1,162 across the U.S.
How fast is Jerome County, ID growing?
Population estimates put Jerome County at 26,362 people in 2025, up 8.6% since 2020, faster than the U.S. (+3.1%). It has 8,277 households. The median household income in Jerome County is $71,724 a year, 11% below the U.S. median of $80,734. That rose 35.5% 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. Jerome County scores 51 for HVAC and plumbing companies (upper middle), #840 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Jerome 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 Jerome County
Screening a site or an acquisition in Jerome 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 Jerome 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.