Groundwork

Auto · County · New Jersey

Auto repair and car care businesses in Somerset County, NJ

The auto repair and car care businesses in Somerset County, NJ, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 77 out of 100: High

Ranked #175 of 2,401 scored counties
#1 of 21 scored counties in New Jersey

Listings
276
74 chain locations (27%)
Official establishments
154
−3.7% since 2019
Household spending a year
$134.4M
On vehicle maintenance and repairs · $1,028 a household
Spending per listing
$487K
81% above the U.S.
Listings per 10k households
21.1
41% below the U.S.
Population, 2025
356,486
+3.5% since 2020

See the auto repair and car care businesses around any address in Somerset County

The site report maps the auto repair and car care businesses 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 Somerset County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey 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 auto repair and car care businesses in Somerset County is 77 (high), #175 of 2,401 scored counties and #1 of 21 scored counties in New Jersey. That puts it in the top 10% of counties for auto repair and car care businesses.

Households in Somerset County spend about $134.4M a year on vehicle maintenance and repairs, or $1,028 per household, 7% above the U.S. average. That works out to $487K per business, 81% above the U.S. figure of $269K.

Somerset County has 276 auto repair and car care businesses on map listings as of September 2026. Of those, 74 are chain locations, or 27%, against 24% across the U.S. That is 21.1 per 10,000 households, 41% below the U.S. rate of 35.7.

Official counts show 154 businesses with payroll classed as automotive repair and maintenance, and tire dealers in Somerset County in 2023, down 3.7% from 2019. That is one for every 849 households, against one for every 681 across the U.S. Since fiscal 2022, 7 SBA-backed loans worth $2.7M have gone to businesses classed as automotive repair and maintenance, and tire dealers in Somerset County. Between 2020 and 2025, the population of Somerset County grew 3.5%, in step with the U.S. (+3.1%).

How Somerset 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 auto repair and car care businesses counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Auto repair and car care in Somerset County, NJ compared with New Jersey and the U.S.
MeasureSomerset CountyNew JerseyU.S.
Listings per 10k households21.128.535.7
Spending per listing$487K$304K$269K
Households per official establishment849692681
Official establishment growth, 2019–2023−3.7%+0.4%+4.1%
Population growth, 2020–2025+3.5%+3.0%+3.1%
Spending per household on vehicle maintenance and repairs$1,028$865$958
Median household income$140,374$103,556$80,734
Groundwork market score7758

Official counts and lending

Businesses

Official establishments, 2019 to 2023
160 → 154−3.7% over the period
Employees, 2023
847
Annual payroll, 2023
$45.2M
One-person businesses, 2023
178Businesses with no payroll
Map listings, September 2026
27674 chain locations
Listings at the U.S. rate for this spending
500The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
7
Amount
$2.7M

SBA-backed loans to businesses classed as automotive repair and maintenance, and tire dealers in Somerset 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 Somerset County

Population, 2025 estimate
356,486+3.5% since 2020
Households
130,802
Median age
42.6
Homes lived in by their owners
74%
Vehicles per household
1.9
Land area
302 sq. mi.
People per square mile
1,159
Median household income
$140,374+23.6% vs. 2015–2019, before inflation
Average household income
$191,543
Median home value
$552,100
Jobs located here
201,609
Daytime population
369,052Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Somerset 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 auto repair and car care businesses on map listings by name and distance.

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

Free10 actions over 3 days, no card

Auto repair and car care across New Jersey

Every New Jersey market ranked →

The highest-scoring counties in New Jersey for auto repair and car care businesses, numbered among those based in New Jersey, with Somerset County marked.

Top counties in New Jersey

Counties in New Jersey ranked for auto repair and car care businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Somerset County, NJ7727621.1$487K+3.5%#175 of 2,401
2Burlington County, NJ7050128.3$348K+4.3%#359 of 2,401
3Ocean County, NJ6867127.5$329K+5.6%#428 of 2,401
4Gloucester County, NJ6334931.0$323K+3.3%#620 of 2,401
5Monmouth County, NJ6271628.4$350K+1.4%#653 of 2,401
6Mercer County, NJ6237426.0$328K+3.3%#657 of 2,401
7Sussex County, NJ6018932.7$328K+2.9%#728 of 2,401
8Hudson County, NJ6045915.3$324K+1.8%#730 of 2,401
9Hunterdon County, NJ5919438.1$291K+2.3%#793 of 2,401
10Morris County, NJ5861631.9$322K+3.2%#824 of 2,401

Other business types in Somerset County

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

Questions

How many auto repair and car care businesses are in Somerset County, NJ?

Map listings as of September 2026 show 276 auto repair and car care businesses in Somerset County. 74 of them (27%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 154 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, down 3.7% from 2019. Official counts also show 178 one-person businesses without payroll.

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

About $134.4M a year, or $1,028 per household. That is 7% above the U.S. average (an index of 107, where 100 is the U.S. average). Spread across the 276 auto repair and car care businesses on map listings, it comes to $487K per business. It is estimated from the incomes of the 130,802 households in Somerset County and national spending patterns by income.

How does Somerset County, NJ compare with the U.S. for auto repair and car care businesses?

Somerset County has 21.1 auto repair and car care businesses per 10,000 households, 41% below the U.S. rate of 35.7. Spending per business is $487K, 81% above the U.S. figure of $269K. At the U.S. ratio of auto repair and car care businesses to household spending, Somerset County would have about 500, against 276 on map listings. There is one business with payroll in the industry for every 849 households, against one for every 681 across the U.S. The official count fell 3.7% from 2019 to 2023, against +4.1% for the U.S.

How fast is Somerset County, NJ growing?

Population estimates put Somerset County at 356,486 people in 2025, up 3.5% since 2020, in step with the U.S. (+3.1%). It has 130,802 households. The median household income in Somerset County is $140,374 a year, 74% above the U.S. median of $80,734. That rose 23.6% 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. Somerset County scores 77 for auto repair and car care businesses (high), #175 of 2,401 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Somerset County. It maps the auto repair and car care businesses 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 auto repair and car care businesses · All 56 business types in Somerset County

Screening a site or an acquisition in Somerset 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 Somerset 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.