Groundwork

Auto · County · New Jersey

Auto repair shops in Union County, NJ

How Union 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 36 out of 100: Lower middle

Ranked #1,816 of 2,378 scored counties
#18 of 21 scored counties in New Jersey

Listings
465
58 chain locations (12%)
Official establishments
294
+0.7% since 2019
Household spending a year
$179M
On vehicle maintenance and repairs · $881 a household
Spending per listing
$385K
13% below the U.S.
Listings per 10k households
22.9
7% above the U.S.
Population, 2025
601,863
+5.0% since 2020

See the auto repair shops around any address in Union 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 Union 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

For auto repair shops, Union County has a Groundwork market score of 36 (lower middle): #1,816 of 2,378 scored counties and #18 of 21 scored counties in New Jersey. That puts it in the bottom quarter of counties.

Map listings as of September 2026 show 465 auto repair shops in Union County. 58 of them (12%) are chain locations, against 16% across the U.S. Per 10,000 households, that is 22.9, 7% above the U.S. rate of 21.5.

At $881 per household (8% below the U.S. average), households in Union County spend about $179M a year on vehicle maintenance and repairs. That is about $385K of household spending for each shop on map listings, 13% below 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 294 businesses with payroll classed as mechanical, body and glass repair in Union County in 2023, up 0.7% from 2019. That is one for every 691 households, against one for every 955 across the U.S. Since fiscal 2022, 17 SBA-backed loans worth $6.9M have gone to businesses classed as mechanical, body and glass repair in Union County. Population estimates put the population change in Union County from 2020 to 2025 at +5.0%, faster than the U.S. (+3.1%).

How Union 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.

Auto repair shops in Union County, NJ compared with New Jersey and the U.S.
MeasureUnion CountyNew JerseyU.S.
Listings per 10k households22.917.921.5
Spending per listing$385K$484K$445K
Households per official establishment691926955
Official establishment growth, 2019–2023+0.7%−0.8%+2.1%
Population growth, 2020–2025+5.0%+3.0%+3.1%
Spending per household on vehicle maintenance and repairs$881$865$958
Median household income$103,202$103,556$80,734
Groundwork market score3647

Official counts and lending

Businesses

Official establishments, 2019 to 2023
292 → 294+0.7% over the period
Employees, 2023
1,381
Annual payroll, 2023
$81.1M
One-person businesses, 2023
405Businesses with no payroll
Map listings, September 2026
46558 chain locations
Listings at the U.S. rate for this spending
403The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
17
Amount
$6.9M

SBA-backed loans to businesses classed as mechanical, body and glass repair in Union 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 Union County

Population, 2025 estimate
601,863+5.0% since 2020
Households
203,277
Median age
39.6
Homes lived in by their owners
57%
Vehicles per household
1.7
Land area
103 sq. mi.
People per square mile
5,637
Median household income
$103,202+28.7% vs. 2015–2019, before inflation
Average household income
$149,596
Median home value
$529,200
Jobs located here
247,379
Daytime population
551,422Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Union 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 Union 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 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 Union County marked.

Top counties in New Jersey

Counties in New Jersey ranked for auto repair shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Somerset County, NJ7816312.5$825K+3.5%#145 of 2,378
2Burlington County, NJ6829616.7$590K+4.3%#418 of 2,378
3Ocean County, NJ6838515.8$574K+5.6%#423 of 2,378
4Monmouth County, NJ6341016.3$611K+1.4%#597 of 2,378
5Gloucester County, NJ6020918.6$539K+3.3%#722 of 2,378
6Sussex County, NJ5611820.4$526K+2.9%#894 of 2,378
7Mercer County, NJ5624517.0$500K+3.3%#899 of 2,378
8Morris County, NJ5537819.6$525K+3.2%#941 of 2,378
9Cape May County, NJ546414.3$630K−1.7%#988 of 2,378
10Hudson County, NJ5331410.5$473K+1.8%#1,057 of 2,378
18Union County, NJ3646522.9$385K+5.0%#1,816 of 2,378

Other business types in Union County

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

Questions

How many auto repair shops are in Union County, NJ?

There are 465 auto repair shops on map listings in Union County as of September 2026. 58 of them (12%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 294 businesses with payroll classed as mechanical, body and glass repair in 2023, up 0.7% from 2019. Official counts also show 405 one-person businesses without payroll.

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

About $179M a year, or $881 per household. That is 8% below the U.S. average (an index of 92, where 100 is the U.S. average). Spread across the 465 auto repair shops on map listings, it comes to $385K per shop. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops. It is estimated from the incomes of the 203,277 households in Union County and national spending patterns by income.

How does Union County, NJ compare with the U.S. for auto repair shops?

Union County has 22.9 auto repair shops per 10,000 households, 7% above the U.S. rate of 21.5. Spending per shop is $385K, 13% below the U.S. figure of $445K. At the national ratio of auto repair shops to household spending, Union County would have about 403, against 465 on map listings. There is one business with payroll in the industry for every 691 households, against one for every 955 across the U.S. The official count rose 0.7% from 2019 to 2023, against +2.1% for the U.S.

How fast is Union County, NJ growing?

Population estimates put Union County at 601,863 people in 2025, up 5.0% since 2020, faster than the U.S. (+3.1%). It has 203,277 households. The median household income in Union County is $103,202 a year, 28% above the U.S. median of $80,734. That rose 28.7% 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. Union County scores 36 for auto repair shops (lower middle), #1,816 of 2,378 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Union 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 Union County

Screening a site or an acquisition in Union 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 Union 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.