Groundwork

Auto · County · Tennessee

Auto repair and car care businesses in Marion County, TN

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

Groundwork market score · out of 100

Score 75 out of 100: High

Ranked #226 of 2,401 scored counties
#17 of 87 scored counties in Tennessee

Listings
33
8 chain locations (24%)
Official establishments
14
Businesses with payroll, 2023
Household spending a year
$12.4M
On vehicle maintenance and repairs · $1,043 a household
Spending per listing
$375K
40% above the U.S.
Listings per 10k households
27.8
22% below the U.S.
Population, 2025
29,804
+3.2% since 2020

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

Marion County scores 75 (high) on the Groundwork market score for auto repair and car care businesses, ranking #226 of 2,401 scored counties and #17 of 87 scored counties in Tennessee. That puts it in the top 10% of counties for auto repair and car care businesses.

Map listings as of September 2026 show 33 auto repair and car care businesses in Marion County. Of those, 8 are chain locations, or 24%, against 24% across the U.S. That comes to 27.8 for every 10,000 households, 22% below the U.S. rate of 35.7.

Households in Marion County spend about $12.4M a year on vehicle maintenance and repairs, or $1,043 per household, 9% above the U.S. average. That is about $375K of household spending for each business on map listings, 40% above the U.S. figure of $269K.

In 2023, official counts showed 14 businesses with payroll in Marion County classed as automotive repair and maintenance, and tire dealers. That is one for every 848 households, against one for every 681 across the U.S. Population estimates put the population change in Marion County from 2020 to 2025 at +3.2%, in step with the U.S. (+3.1%).

How Marion 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 Marion County, TN compared with Tennessee and the U.S.
MeasureMarion CountyTennesseeU.S.
Listings per 10k households27.834.735.7
Spending per listing$375K$272K$269K
Households per official establishment848829681
Official establishment growth, 2019–2023n/a+6.9%+4.1%
Population growth, 2020–2025+3.2%+5.6%+3.1%
Spending per household on vehicle maintenance and repairs$1,043$944$958
Median household income$61,824$69,595$80,734
Groundwork market score7564

Official counts and lending

Businesses

Official establishments, 2019 to 2023
11 → 14
Employees, 2023
62
Annual payroll, 2023
$2.3M
One-person businesses, 2023
38Businesses with no payroll
Map listings, September 2026
338 chain locations
Listings at the U.S. rate for this spending
46The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
0
Amount
$0

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

Population, 2025 estimate
29,804+3.2% since 2020
Households
11,869
Median age
42.4
Homes lived in by their owners
79%
Vehicles per household
2.2
Land area
498 sq. mi.
People per square mile
59
Median household income
$61,824+25.1% vs. 2015–2019, before inflation
Average household income
$78,755
Median home value
$195,200
Jobs located here
7,615
Daytime population
24,764Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Marion 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 Marion 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 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 Marion 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
17Marion County, TN753327.8$375K+3.2%#226 of 2,401

Other business types in Marion 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 Marion County, TN?

There are 33 auto repair and car care businesses on map listings in Marion County as of September 2026. 8 of them (24%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 14 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023. Official counts list 38 one-person businesses without payroll.

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

About $12.4M a year, or $1,043 per household. That is 9% above the U.S. average (an index of 109, where 100 is the U.S. average). Spread across the 33 auto repair and car care businesses on map listings, it comes to $375K per business. It is estimated from the incomes of the 11,869 households in Marion County and national spending patterns by income.

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

Marion County has 27.8 auto repair and car care businesses per 10,000 households, 22% below the U.S. rate of 35.7. Spending per business is $375K, 40% above the U.S. figure of $269K. At the national ratio of auto repair and car care businesses to household spending, Marion County would have about 46, against 33 on map listings. There is one business with payroll in the industry for every 848 households, against one for every 681 across the U.S.

How fast is Marion County, TN growing?

Population estimates put Marion County at 29,804 people in 2025, up 3.2% since 2020, in step with the U.S. (+3.1%). It has 11,869 households. Median household income in Marion County is $61,824, 23% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 25.1%, 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. Marion County scores 75 for auto repair and car care businesses (high), #226 of 2,401 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Marion 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 Marion 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.