Auto · County · Tennessee
Auto repair shops in Grainger County, TN
How Grainger County, TN 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 73 out of 100: Upper middle
Ranked #249 of 2,378 scored counties
#19 of 86 scored counties in Tennessee
- Listings
- 11
- 1 chain location (9%)
- Official establishments
- 11
- Businesses with payroll, 2023
- Household spending a year
- $9.8M
- On vehicle maintenance and repairs · $1,015 a household
- Spending per listing
- $891K
- Twice the U.S.
- Listings per 10k households
- 11.4
- 47% below the U.S.
- Population, 2025
- 25,739
- +9.2% since 2020
See the auto repair shops around any address in Grainger 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 Grainger 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
As of September 2026, map listings count 11 auto repair shops in Grainger County. One of them (9%) is a chain location, against 16% across the U.S. Per 10,000 households, that is 11.4, 47% below the U.S. rate of 21.5.
At $1,015 per household (6% above the U.S. average), households in Grainger County spend about $9.8M a year on vehicle maintenance and repairs. That works out to $891K per shop, twice 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.
In 2023, official counts showed 11 businesses with payroll in Grainger County classed as mechanical, body and glass repair. That is one for every 878 households, against one for every 955 across the U.S. Another 26 one-person businesses have no payroll, by official counts.
Population estimates put the population change in Grainger County from 2020 to 2025 at +9.2%, faster than the U.S. (+3.1%). Grainger County scores 73 (upper middle) on the Groundwork market score for auto repair shops, ranking #249 of 2,378 scored counties and #19 of 86 scored counties in Tennessee. That puts it in the top quarter of counties.
How Grainger 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 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 | Grainger County | Tennessee | U.S. |
|---|---|---|---|
| Listings per 10k households | 11.4 | 20.1 | 21.5 |
| Spending per listing | $891K | $470K | $445K |
| Households per official establishment | 878 | 1,252 | 955 |
| Official establishment growth, 2019–2023 | n/a | +4.2% | +2.1% |
| Population growth, 2020–2025 | +9.2% | +5.6% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,015 | $944 | $958 |
| Median household income | $50,538 | $69,595 | $80,734 |
| Groundwork market score | 73 | 67 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 7 → 11
- Employees, 2023
- 76
- Annual payroll, 2023
- $4.4M
- One-person businesses, 2023
- 26Businesses with no payroll
- Map listings, September 2026
- 111 chain location
- Listings at the U.S. rate for this spending
- 22The 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 mechanical, body and glass repair in Grainger 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 Grainger County
- Population, 2025 estimate
- 25,739+9.2% since 2020
- Households
- 9,660
- Median age
- 46.5
- Homes lived in by their owners
- 77%
- Vehicles per household
- 2.2
- Land area
- 281 sq. mi.
- People per square mile
- 86
- Median household income
- $50,538+14.7% vs. 2015–2019, before inflation
- Average household income
- $70,414
- Median home value
- $189,200
- Jobs located here
- 4,105
- Daytime population
- 19,042Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Grainger 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 Grainger 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 Tennessee
Every Tennessee market ranked →The highest-scoring counties in Tennessee for auto repair shops, numbered among those based in Tennessee, with Grainger County marked.
Top counties in Tennessee
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Union County, TN | 89 | 10 | 12.6 | $865K | +8.1% | #28 of 2,378 |
| 2Williamson County, TN | 89 | 127 | 13.8 | $829K | +9.0% | #29 of 2,378 |
| 3Loudon County, TN | 85 | 44 | 18.3 | $604K | +15.6% | #52 of 2,378 |
| 4Morgan County, TN | 84 | 7 | 9.7 | $1.1M | +5.3% | #54 of 2,378 |
| 5Bledsoe County, TN | 84 | 5 | 10.3 | $1M | +6.5% | #55 of 2,378 |
| 6Fayette County, TN | 83 | 31 | 18.0 | $608K | +7.7% | #73 of 2,378 |
| 7Jefferson County, TN | 81 | 33 | 15.1 | $669K | +9.3% | #102 of 2,378 |
| 8Cheatham County, TN | 80 | 28 | 17.2 | $660K | +4.1% | #114 of 2,378 |
| 9Franklin County, TN | 80 | 27 | 15.5 | $642K | +6.4% | #116 of 2,378 |
| 10Polk County, TN | 80 | 14 | 18.9 | $592K | +5.9% | #120 of 2,378 |
| 19Grainger County, TN | 73 | 11 | 11.4 | $891K | +9.2% | #249 of 2,378 |
Other business types in Grainger 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 Grainger County, TN?
Grainger County has 11 auto repair shops on map listings as of September 2026. One of them (9%) is a chain location. The listings count general, specialty, body and glass repair shops. Official counts show 11 businesses with payroll classed as mechanical, body and glass repair in 2023. Official counts list 26 one-person businesses without payroll.
How much do households in Grainger County, TN spend on vehicle maintenance and repairs?
About $9.8M a year, or $1,015 per household. That is 6% above the U.S. average (an index of 106, where 100 is the U.S. average). Spread across the 11 auto repair shops on map listings, it comes to $891K per shop. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops. It is estimated from the incomes of the 9,660 households in Grainger County and national spending patterns by income.
How does Grainger County, TN compare with the U.S. for auto repair shops?
Grainger County has 11.4 auto repair shops per 10,000 households, 47% below the U.S. rate of 21.5. Spending per shop is $891K, twice the U.S. figure of $445K. At the national ratio of auto repair shops to household spending, Grainger County would have about 22, against 11 on map listings. There is one business with payroll in the industry for every 878 households, against one for every 955 across the U.S.
How fast is Grainger County, TN growing?
Population estimates put Grainger County at 25,739 people in 2025, up 9.2% since 2020, faster than the U.S. (+3.1%). It has 9,660 households. The median household income in Grainger County is $50,538 a year, 37% below the U.S. median of $80,734. That rose 14.7% 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. Grainger County scores 73 for auto repair shops (upper middle), #249 of 2,378 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Grainger 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 Grainger County
Screening a site or an acquisition in Grainger 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 Grainger 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.