Auto · County · New Jersey
Auto repair shops in Somerset County, NJ
How Somerset County, NJ compares with other counties and the U.S. for auto repair shops: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 78 out of 100: High
Ranked #145 of 2,378 scored counties
#1 of 21 scored counties in New Jersey
- Listings
- 163
- 35 chain locations (21%)
- Official establishments
- 101
- −5.6% since 2019
- Household spending a year
- $134.4M
- On vehicle maintenance and repairs · $1,028 a household
- Spending per listing
- $825K
- 85% above the U.S.
- Listings per 10k households
- 12.5
- 42% below the U.S.
- Population, 2025
- 356,486
- +3.5% since 2020
See the auto repair shops around any address in Somerset County
The site report maps the auto repair shops 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.
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
For auto repair shops, Somerset County has a Groundwork market score of 78 (high): #145 of 2,378 scored counties and #1 of 21 scored counties in New Jersey. That puts it in the top 10% of counties for auto repair shops.
Map listings as of September 2026 show 163 auto repair shops in Somerset County. Of those, 35 are chain locations, or 21%, against 16% across the U.S. Per 10,000 households, that is 12.5, 42% below the U.S. rate of 21.5.
Household spending on vehicle maintenance and repairs in Somerset County comes to about $134.4M a year: $1,028 per household, 7% above the U.S. average. That works out to $825K per shop, 85% above the U.S. figure of $445K. That spending covers all vehicle maintenance and repairs, which auto repair shops share with other businesses in the trade.
Official counts show 101 businesses with payroll classed as mechanical, body and glass repair in Somerset County in 2023, down 5.6% from 2019. That is one for every 1,295 households, against one for every 955 across the U.S. Since fiscal 2022, 5 SBA-backed loans worth $1.8M have gone to businesses classed as mechanical, body and glass repair in Somerset County. Population estimates show Somerset County grew 3.5% from 2020 to 2025, 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 shops 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 | Somerset County | New Jersey | U.S. |
|---|---|---|---|
| Listings per 10k households | 12.5 | 17.9 | 21.5 |
| Spending per listing | $825K | $484K | $445K |
| Households per official establishment | 1,295 | 926 | 955 |
| Official establishment growth, 2019–2023 | −5.6% | −0.8% | +2.1% |
| 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 score | 78 | 47 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 107 → 101−5.6% over the period
- Employees, 2023
- 447
- Annual payroll, 2023
- $27.1M
- One-person businesses, 2023
- 128Businesses with no payroll
- Map listings, September 2026
- 16335 chain locations
- Listings at the U.S. rate for this spending
- 302The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 5
- Amount
- $1.8M
SBA-backed loans to businesses classed as mechanical, body and glass repair 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 shops 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 cardAuto repair shops across New Jersey
Every New Jersey market ranked →The highest-scoring counties in New Jersey for auto repair shops, numbered among those based in New Jersey, with Somerset County marked.
Top counties in New Jersey
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Somerset County, NJ | 78 | 163 | 12.5 | $825K | +3.5% | #145 of 2,378 |
| 2Burlington County, NJ | 68 | 296 | 16.7 | $590K | +4.3% | #418 of 2,378 |
| 3Ocean County, NJ | 68 | 385 | 15.8 | $574K | +5.6% | #423 of 2,378 |
| 4Monmouth County, NJ | 63 | 410 | 16.3 | $611K | +1.4% | #597 of 2,378 |
| 5Gloucester County, NJ | 60 | 209 | 18.6 | $539K | +3.3% | #722 of 2,378 |
| 6Sussex County, NJ | 56 | 118 | 20.4 | $526K | +2.9% | #894 of 2,378 |
| 7Mercer County, NJ | 56 | 245 | 17.0 | $500K | +3.3% | #899 of 2,378 |
| 8Morris County, NJ | 55 | 378 | 19.6 | $525K | +3.2% | #941 of 2,378 |
| 9Cape May County, NJ | 54 | 64 | 14.3 | $630K | −1.7% | #988 of 2,378 |
| 10Hudson County, NJ | 53 | 314 | 10.5 | $473K | +1.8% | #1,057 of 2,378 |
Other business types in Somerset 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 auto repair shops are in Somerset County, NJ?
There are 163 auto repair shops on map listings in Somerset County as of September 2026. 35 of them (21%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 101 businesses with payroll classed as mechanical, body and glass repair in 2023, down 5.6% from 2019. Another 128 one-person businesses have no payroll, by official counts.
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 163 auto repair shops on map listings, it comes to $825K per shop. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops. 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 shops?
Somerset County has 12.5 auto repair shops per 10,000 households, 42% below the U.S. rate of 21.5. Spending per shop is $825K, 85% above the U.S. figure of $445K. At the national ratio of auto repair shops to household spending, Somerset County would have about 302, against 163 on map listings. There is one business with payroll in the industry for every 1,295 households, against one for every 955 across the U.S. The official count fell 5.6% from 2019 to 2023, against +2.1% 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 78 for auto repair shops (high), #145 of 2,378 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 shops 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 shops · 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.