Auto · Metro area · New Jersey
Car washes and detailers in the Trenton-Princeton, NJ metro area
The car washes and detailers in the Trenton-Princeton, NJ metro area, the household spending behind them and how the market ranks against other metro areas.
Groundwork market score · out of 100
Score 65 out of 100: Upper middle
Ranked #76 of 387 scored metro areas
#1 of 3 scored metro areas based in New Jersey
- Listings
- 32
- 4 chain locations (13%)
- Official establishments
- 20
- Businesses with payroll, 2023
- Household spending a year
- $122.5M
- On vehicle maintenance and repairs · $850 a household
- Spending per listing
- $3.8M
- 52% above the U.S.
- Listings per 10k households
- 2.2
- 42% below the U.S.
- Population, 2025
- 399,289
- +3.3% since 2020
See the car washes and detailers around any address in the Trenton-Princeton metro area
The site report maps the car washes and detailers 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 the Trenton-Princeton metro area. 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 the Trenton-Princeton metro area spend about $122.5M a year on vehicle maintenance and repairs, or $850 per household, 11% below the U.S. average. Spread across 32 car washes and detailers, that is $3.8M per location, 52% above the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
The Trenton-Princeton metro area has 32 car washes and detailers on map listings as of September 2026. Of those, 4 are chain locations, or 13%, against 23% across the U.S. Per 10,000 households, that is 2.2, 42% below the U.S. rate of 3.8.
Official counts show 20 businesses with payroll classed as car washes in the Trenton-Princeton metro area in 2023. That is one for every 7,206 households, against one for every 6,523 across the U.S.
Between 2020 and 2025, the population of the Trenton-Princeton metro area grew 3.3%, in step with the U.S. (+3.1%). For car washes and detailers, the Trenton-Princeton metro area has a Groundwork market score of 65 (upper middle): #76 of 387 scored metro areas and #1 of 3 scored metro areas based in New Jersey. That puts it in the top quarter of metro areas.
How the Trenton-Princeton metro area compares
The same measures for New Jersey and the whole U.S. Spending per listing divides a year of household spending on all vehicle maintenance and repairs by the car washes and detailers 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 | Trenton-Princeton metro area | New Jersey | U.S. |
|---|---|---|---|
| Listings per 10k households | 2.2 | 3.1 | 3.8 |
| Spending per listing | $3.8M | $2.8M | $2.5M |
| Households per official establishment | 7,206 | 5,307 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +9.4% | +16.7% |
| Population growth, 2020–2025 | +3.3% | +3.0% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $850 | $865 | $958 |
| Median household income | $100,645 | $103,556 | $80,734 |
| Groundwork market score | 65 | 46 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 20
- Employees, 2023
- 166
- Annual payroll, 2023
- $4.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 324 chain locations
- Listings at the U.S. rate for this spending
- 49The 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 car washes in the Trenton-Princeton metro area, 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 the Trenton-Princeton metro area
- 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 the Trenton-Princeton metro area?
These figures cover the whole metro area. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the car washes and detailers on map listings by name and distance.
Or open the report at the center of the Trenton-Princeton metro area. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardCar washes and detailing across New Jersey
Every New Jersey market ranked →The highest-scoring metro areas in New Jersey for car washes and detailers, numbered among those based in New Jersey (a market based in another state is listed without a number), with the Trenton-Princeton metro area marked.
Top metro areas in New Jersey
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Trenton-Princeton, NJ | 65 | 32 | 2.2 | $3.8M | +3.3% | #76 of 387 |
| Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 50 | 775 | 3.1 | $2.6M | +1.4% | #189 of 387 |
| Allentown-Bethlehem-Easton, PA-NJ | 50 | 131 | 3.9 | $2.4M | +3.0% | #190 of 387 |
| New York-Newark-Jersey City, NY-NJ | 49 | 1,601 | 2.2 | $3M | +0.6% | #194 of 387 |
| 2Vineland, NJ | 35 | 28 | 5.2 | $1.7M | +2.2% | #310 of 387 |
| 3Atlantic City-Hammonton, NJ | 30 | 61 | 3.9 | $2.1M | +0.8% | #340 of 387 |
Other business types in the Trenton-Princeton metro area
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
- Auto repair and car care67
- Auto repair shops56
- Collision repair and body shops59
- Car washes and detailing65
- Tire shops64
- Oil change and quick lube71
- Gas stations51
- Insurance agencies58
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many car washes and detailers are in the Trenton-Princeton, NJ metro area?
Map listings as of September 2026 show 32 car washes and detailers in the Trenton-Princeton metro area. 4 of them (13%) are chain locations. The listings count car washes and detailers. Official counts show 20 businesses with payroll classed as car washes in 2023.
How much do households in the Trenton-Princeton, NJ metro area spend on vehicle maintenance and repairs?
About $122.5M a year, or $850 per household. That is 11% below the U.S. average (an index of 89, where 100 is the U.S. average). Spread across the 32 car washes and detailers on map listings, it comes to $3.8M per location. That spending covers all vehicle maintenance and repairs, which car washes and detailers share with other businesses in the trade. It is estimated from the incomes of the 144,114 households in the Trenton-Princeton metro area and national spending patterns by income.
How does the Trenton-Princeton, NJ metro area compare with the U.S. for car washes and detailers?
The Trenton-Princeton metro area has 2.2 car washes and detailers per 10,000 households, 42% below the U.S. rate of 3.8. Spending per location is $3.8M, 52% above the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, the Trenton-Princeton metro area would have about 49, against 32 on map listings. There is one business with payroll in the industry for every 7,206 households, against one for every 6,523 across the U.S.
How fast is the Trenton-Princeton, NJ metro area growing?
Population estimates put the Trenton-Princeton metro area at 399,289 people in 2025, up 3.3% since 2020, in step with the U.S. (+3.1%). It has 144,114 households. The median household income in the Trenton-Princeton metro area is $100,645 a year, 25% above the U.S. median of $80,734. That rose 24.2% 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. The Trenton-Princeton metro area scores 65 for car washes and detailers (upper middle), #76 of 387 scored metro areas.
How can I see the market around a specific site?
Run a Groundwork site report on an address in the Trenton-Princeton metro area. It maps the car washes and detailers 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 car washes and detailers · All 56 business types in the Trenton-Princeton metro area
Screening a site or an acquisition in the Trenton-Princeton metro area?
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 the Trenton-Princeton metro area. 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.