Real estate · County · New Jersey
Home inspectors in Mercer County, NJ
How Mercer County, NJ compares with other counties and the U.S. for home inspectors: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 79 out of 100: High
Ranked #14 of 415 scored counties
#4 of 17 scored counties in New Jersey
- Listings
- 8
- 0 chain locations (0%)
- Official establishments
- 6
- Businesses with payroll, 2023
- Household spending a year
- $2.9B
- On rent and homeowner costs · $20,218 a household
- Housing spending per listing (U.S. = 100)
- 139
- 39% above the U.S.
- Listings per 10k households
- 0.6
- In line with the U.S.
- Population, 2025
- 399,289
- +3.3% since 2020
See the home inspectors around any address in Mercer County
The site report maps the home inspectors 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 Mercer 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 home inspectors in Mercer County is 79 (high), #14 of 415 scored counties and #4 of 17 scored counties in New Jersey. That puts it in the top 10% of counties for home inspectors.
Map listings as of September 2026 show 8 home inspectors in Mercer County. None of them are chain locations, against 3% across the U.S. Per 10,000 households, that is 0.6, in line with the U.S. rate of 0.6.
Household spending on rent and homeowner costs in Mercer County comes to about $2.9B a year: $20,218 per household, 21% above the U.S. average. Housing spending per business is 39% above the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money home inspectors take in.
Official counts show 6 businesses with payroll classed as building inspection services in Mercer County in 2023. That is one for every 24,019 households, against one for every 17,237 across the U.S. Population estimates put the population change in Mercer County from 2020 to 2025 at +3.3%, in step with the U.S. (+3.1%).
How Mercer County compares
The same measures for New Jersey and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.
| Measure | Mercer County | New Jersey | U.S. |
|---|---|---|---|
| Listings per 10k households | 0.6 | 0.7 | 0.6 |
| Housing spending per listing (U.S. = 100) | 139 | 113 | 100 |
| Households per official establishment | 24,019 | 22,630 | 17,237 |
| Official establishment growth, 2019–2023 | n/a | +1.3% | +6.5% |
| Population growth, 2020–2025 | +3.3% | +3.0% | +3.1% |
| Spending per household on rent and homeowner costs | $20,218 | $20,430 | $16,661 |
| Median household income | $100,645 | $103,556 | $80,734 |
| Groundwork market score | 79 | 71 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 5 → 6
- Employees, 2023
- 54
- Annual payroll, 2023
- $5.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 80 chain locations
- Listings at the U.S. rate for this spending
- 11The 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 building inspection services in Mercer 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 Mercer County
- Population, 2025 estimate
- 399,289+3.3% since 2020
- Households
- 144,114
- Median age
- 40.4
- Homes lived in by their owners
- 62%
- Vehicles per household
- 1.6
- Land area
- 225 sq. mi.
- People per square mile
- 1,719
- Median household income
- $100,645+24.2% vs. 2015–2019, before inflation
- Average household income
- $142,372
- Median home value
- $377,700
- Jobs located here
- 262,034
- Daytime population
- 469,892Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Mercer 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 home inspectors on map listings by name and distance.
Or open the report at the center of Mercer County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardHome inspectors across New Jersey
Every New Jersey market ranked →The highest-scoring counties in New Jersey for home inspectors, numbered among those based in New Jersey, with Mercer County marked.
Top counties in New Jersey
| Market | Score | Listings | Per 10k households | Housing spending per listing (U.S. = 100) | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Union County, NJ | 85 | 10 | 0.5 | 160 | +5.0% | #2 of 415 |
| 2Hudson County, NJ | 83 | 9 | 0.3 | 251 | +1.8% | #3 of 415 |
| 3Morris County, NJ | 81 | 14 | 0.7 | 121 | +3.2% | #10 of 415 |
| 4Mercer County, NJ | 79 | 8 | 0.6 | 139 | +3.3% | #14 of 415 |
| 5Essex County, NJ | 79 | 20 | 0.6 | 116 | +4.2% | #15 of 415 |
| 6Camden County, NJ | 78 | 6 | 0.3 | 242 | +2.4% | #16 of 415 |
| 7Middlesex County, NJ | 76 | 22 | 0.7 | 111 | +2.6% | #26 of 415 |
| 8Gloucester County, NJ | 71 | 8 | 0.7 | 108 | +3.3% | #51 of 415 |
| 9Passaic County, NJ | 68 | 15 | 0.8 | 86 | +1.6% | #73 of 415 |
| 10Atlantic County, NJ | 67 | 6 | 0.5 | 125 | +1.6% | #75 of 415 |
Other business types in Mercer 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
- Real estate58
- Real estate agents and brokers64
- Property management65
- Mortgage brokers and lenders68
- Home inspectors79
Funeral services
Questions
How many home inspectors are in Mercer County, NJ?
There are 8 home inspectors on map listings in Mercer County as of September 2026. None of them are chain locations. The listings count home inspectors. Official counts show 6 businesses with payroll classed as building inspection services in 2023.
How much do households in Mercer County, NJ spend on rent and homeowner costs?
About $2.9B a year, or $20,218 per household. That is 21% above the U.S. average (an index of 121, where 100 is the U.S. average). For the 8 home inspectors on map listings, housing spending per business is 39% above the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money home inspectors take in. It is estimated from the incomes of the 144,114 households in Mercer County and national spending patterns by income.
How does Mercer County, NJ compare with the U.S. for home inspectors?
Mercer County has 0.6 home inspectors per 10,000 households, in line with the U.S. rate of 0.6. The index of housing spending per business is 139, where 100 is the U.S. At the national ratio of home inspectors to household spending, Mercer County would have about 11, against 8 on map listings. There is one business with payroll in the industry for every 24,019 households, against one for every 17,237 across the U.S.
How fast is Mercer County, NJ growing?
Population estimates put Mercer County at 399,289 people in 2025, up 3.3% since 2020, in step with the U.S. (+3.1%). It has 144,114 households. Median household income in Mercer County is $100,645, 25% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.2%, 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. Mercer County scores 79 for home inspectors (high), #14 of 415 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Mercer County. It maps the home inspectors 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 home inspectors · All 56 business types in Mercer County
Screening a site or an acquisition in Mercer 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 Mercer 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.