Groundwork

Auto · County · New Jersey

Car washes and detailers in Middlesex County, NJ

The car washes and detailers in Middlesex County, NJ, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 59 out of 100: Upper middle

Ranked #478 of 1,451 scored counties
#10 of 21 scored counties in New Jersey

Listings
83
16 chain locations (19%)
Official establishments
59
+5.4% since 2019
Household spending a year
$281.5M
On vehicle maintenance and repairs · $915 a household
Spending per listing
$3.4M
35% above the U.S.
Listings per 10k households
2.7
29% below the U.S.
Population, 2025
883,335
+2.6% since 2020

See the car washes and detailers around any address in Middlesex County

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 Middlesex County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey 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 83 car washes and detailers in Middlesex County. 16 of them (19%) are chain locations, against 23% across the U.S. That is 2.7 per 10,000 households, 29% below the U.S. rate of 3.8.

Household spending on vehicle maintenance and repairs in Middlesex County comes to about $281.5M a year: $915 per household, 5% below the U.S. average. Spread across 83 car washes and detailers, that is $3.4M per location, 35% above the U.S. figure of $2.5M. That spending covers all vehicle maintenance and repairs, which car washes and detailers share with other businesses in the trade.

In 2023, official counts showed 59 businesses with payroll in Middlesex County classed as car washes, up 5.4% from 2019. That is one for every 5,217 households, against one for every 6,523 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $2.2M has gone to businesses classed as car washes in Middlesex County.

Population estimates show Middlesex County grew 2.6% from 2020 to 2025, slower than the U.S. (+3.1%). Middlesex County scores 59 (upper middle) on the Groundwork market score for car washes and detailers, ranking #478 of 1,451 scored counties and #10 of 21 scored counties in New Jersey.

How Middlesex County 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.

Car washes and detailing in Middlesex County, NJ compared with New Jersey and the U.S.
MeasureMiddlesex CountyNew JerseyU.S.
Listings per 10k households2.73.13.8
Spending per listing$3.4M$2.8M$2.5M
Households per official establishment5,2175,3076,523
Official establishment growth, 2019–2023+5.4%+9.4%+16.7%
Population growth, 2020–2025+2.6%+3.0%+3.1%
Spending per household on vehicle maintenance and repairs$915$865$958
Median household income$111,549$103,556$80,734
Groundwork market score5946

Official counts and lending

Businesses

Official establishments, 2019 to 2023
56 → 59+5.4% over the period
Employees, 2023
424
Annual payroll, 2023
$15.3M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
8316 chain locations
Listings at the U.S. rate for this spending
112The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$2.2M

SBA-backed loans to businesses classed as car washes in Middlesex 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 Middlesex County

Population, 2025 estimate
883,335+2.6% since 2020
Households
307,782
Median age
40.6
Homes lived in by their owners
64%
Vehicles per household
1.7
Land area
309 sq. mi.
People per square mile
2,817
Median household income
$111,549+24.6% vs. 2015–2019, before inflation
Average household income
$142,057
Median home value
$462,900
Jobs located here
459,830
Daytime population
901,798Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Middlesex 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 car washes and detailers on map listings by name and distance.

Or open the report at the center of Middlesex County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Car washes and detailing across New Jersey

Every New Jersey market ranked →

The highest-scoring counties in New Jersey for car washes and detailers, numbered among those based in New Jersey, with Middlesex County marked.

Top counties in New Jersey

Counties in New Jersey ranked for car washes and detailers by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Sussex County, NJ80142.4$4.4M+2.9%#55 of 1,451
2Hunterdon County, NJ73163.1$3.5M+2.3%#159 of 1,451
3Somerset County, NJ68272.1$5M+3.5%#271 of 1,451
4Mercer County, NJ67322.2$3.8M+3.3%#295 of 1,451
5Morris County, NJ67552.8$3.6M+3.2%#296 of 1,451
6Burlington County, NJ67522.9$3.4M+4.3%#298 of 1,451
7Gloucester County, NJ67383.4$3M+3.3%#299 of 1,451
8Warren County, NJ61112.4$4.1M+3.2%#427 of 1,451
9Ocean County, NJ60743.0$3M+5.6%#457 of 1,451
10Middlesex County, NJ59832.7$3.4M+2.6%#478 of 1,451

Other business types in Middlesex County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many car washes and detailers are in Middlesex County, NJ?

There are 83 car washes and detailers on map listings in Middlesex County as of September 2026. 16 of them (19%) are chain locations. The listings count car washes and detailers. Official counts show 59 businesses with payroll classed as car washes in 2023, up 5.4% from 2019.

How much do households in Middlesex County, NJ spend on vehicle maintenance and repairs?

About $281.5M a year, or $915 per household. That is 5% below the U.S. average (an index of 95, where 100 is the U.S. average). Spread across the 83 car washes and detailers on map listings, it comes to $3.4M per location. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers. It is estimated from the incomes of the 307,782 households in Middlesex County and national spending patterns by income.

How does Middlesex County, NJ compare with the U.S. for car washes and detailers?

Middlesex County has 2.7 car washes and detailers per 10,000 households, 29% below the U.S. rate of 3.8. Spending per location is $3.4M, 35% above the U.S. figure of $2.5M. At the national ratio of car washes and detailers to household spending, Middlesex County would have about 112, against 83 on map listings. There is one business with payroll in the industry for every 5,217 households, against one for every 6,523 across the U.S. The official count rose 5.4% from 2019 to 2023, against +16.7% for the U.S.

How fast is Middlesex County, NJ growing?

Population estimates put Middlesex County at 883,335 people in 2025, up 2.6% since 2020, slower than the U.S. (+3.1%). It has 307,782 households. Median household income in Middlesex County is $111,549, 38% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.6%, 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. Middlesex County scores 59 for car washes and detailers (upper middle), #478 of 1,451 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Middlesex County. 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 Middlesex County

Screening a site or an acquisition in Middlesex 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 Middlesex 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.