Groundwork

Auto · County · Tennessee

Auto repair and car care businesses in Sullivan County, TN

Competitor counts, household spending and official business counts for auto repair and car care businesses in Sullivan County, TN, set against other counties and the U.S.

Groundwork market score · out of 100

Score 51 out of 100: Upper middle

Ranked #1,203 of 2,401 scored counties
#69 of 87 scored counties in Tennessee

Listings
274
77 chain locations (28%)
Official establishments
83
−9.8% since 2019
Household spending a year
$64.3M
On vehicle maintenance and repairs · $933 a household
Spending per listing
$235K
13% below the U.S.
Listings per 10k households
39.8
11% above the U.S.
Population, 2025
163,759
+3.5% since 2020

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

Households in Sullivan County spend about $64.3M a year on vehicle maintenance and repairs, or $933 per household, 3% below the U.S. average. Spread across 274 auto repair and car care businesses, that is $235K per business, 13% below the U.S. figure of $269K.

There are 274 auto repair and car care businesses on map listings in Sullivan County as of September 2026. 77 of them (28%) are chain locations, against 24% across the U.S. That is 39.8 per 10,000 households, 11% above the U.S. rate of 35.7.

Official counts show 83 businesses with payroll classed as automotive repair and maintenance, and tire dealers in Sullivan County in 2023, down 9.8% from 2019. That is one for every 830 households, against one for every 681 across the U.S. Another 213 one-person businesses have no payroll, by official counts. Since fiscal 2022, 1 SBA-backed loan worth $246K has gone to businesses classed as automotive repair and maintenance, and tire dealers in Sullivan County.

Population estimates put the population change in Sullivan County from 2020 to 2025 at +3.5%, in step with the U.S. (+3.1%). For auto repair and car care businesses, Sullivan County has a Groundwork market score of 51 (upper middle): #1,203 of 2,401 scored counties and #69 of 87 scored counties in Tennessee.

How Sullivan County compares

The same measures for Tennessee 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 Sullivan County, TN compared with Tennessee and the U.S.
MeasureSullivan CountyTennesseeU.S.
Listings per 10k households39.834.735.7
Spending per listing$235K$272K$269K
Households per official establishment830829681
Official establishment growth, 2019–2023−9.8%+6.9%+4.1%
Population growth, 2020–2025+3.5%+5.6%+3.1%
Spending per household on vehicle maintenance and repairs$933$944$958
Median household income$58,807$69,595$80,734
Groundwork market score5164

Official counts and lending

Businesses

Official establishments, 2019 to 2023
92 → 83−9.8% over the period
Employees, 2023
513
Annual payroll, 2023
$24.6M
One-person businesses, 2023
213Businesses with no payroll
Map listings, September 2026
27477 chain locations
Listings at the U.S. rate for this spending
239The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$246K

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

Population, 2025 estimate
163,759+3.5% since 2020
Households
68,907
Median age
44.8
Homes lived in by their owners
72%
Vehicles per household
2.0
Land area
414 sq. mi.
People per square mile
388
Median household income
$58,807+26.0% vs. 2015–2019, before inflation
Average household income
$82,467
Median home value
$213,300
Jobs located here
71,251
Daytime population
164,416Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Sullivan 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 Sullivan County. Signed out, you see a blurred preview; on an account, each report is one action.

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Auto repair and car care across Tennessee

Every Tennessee market ranked →

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

Top counties in Tennessee

Counties in Tennessee ranked for auto repair and car care businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Williamson County, TN8822724.6$464K+9.0%#30 of 2,401
2Fayette County, TN855129.6$370K+7.7%#56 of 2,401
3Morgan County, TN841115.3$696K+5.3%#60 of 2,401
4Loudon County, TN847832.4$341K+15.6%#68 of 2,401
5Polk County, TN842533.7$332K+5.9%#70 of 2,401
6Jackson County, TN83612.5$802K+7.1%#72 of 2,401
7Bledsoe County, TN831122.6$466K+6.5%#77 of 2,401
8Grainger County, TN821919.7$516K+9.2%#90 of 2,401
9Union County, TN822632.8$333K+8.1%#97 of 2,401
10Cheatham County, TN805332.6$348K+4.1%#128 of 2,401
69Sullivan County, TN5127439.8$235K+3.5%#1,203 of 2,401

Other business types in Sullivan 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 Sullivan County, TN?

As of September 2026, map listings count 274 auto repair and car care businesses in Sullivan County. 77 of them (28%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 83 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, down 9.8% from 2019. Official counts list 213 one-person businesses without payroll.

How much do households in Sullivan County, TN spend on vehicle maintenance and repairs?

About $64.3M a year, or $933 per household. That is 3% below the U.S. average (an index of 97, where 100 is the U.S. average). Spread across the 274 auto repair and car care businesses on map listings, it comes to $235K per business. It is estimated from the incomes of the 68,907 households in Sullivan County and national spending patterns by income.

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

Sullivan County has 39.8 auto repair and car care businesses per 10,000 households, 11% above the U.S. rate of 35.7. Spending per business is $235K, 13% below the U.S. figure of $269K. At the U.S. ratio of auto repair and car care businesses to household spending, Sullivan County would have about 239, against 274 on map listings. There is one business with payroll in the industry for every 830 households, against one for every 681 across the U.S. The official count fell 9.8% from 2019 to 2023, against +4.1% for the U.S.

How fast is Sullivan County, TN growing?

Population estimates put Sullivan County at 163,759 people in 2025, up 3.5% since 2020, in step with the U.S. (+3.1%). It has 68,907 households. The median household income in Sullivan County is $58,807 a year, 27% below the U.S. median of $80,734. That rose 26.0% 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. Sullivan County scores 51 for auto repair and car care businesses (upper middle), #1,203 of 2,401 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Sullivan 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 Sullivan 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.