Auto · County · Tennessee
Car washes and detailers in McMinn County, TN
How McMinn County, TN compares with other counties and the U.S. for car washes and detailers: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 62 out of 100: Upper middle
Ranked #423 of 1,451 scored counties
#17 of 47 scored counties in Tennessee
- Listings
- 10
- 3 chain locations (30%)
- Official establishments
- 3
- Businesses with payroll, 2023
- Household spending a year
- $21.8M
- On vehicle maintenance and repairs · $1,026 a household
- Spending per listing
- $2.2M
- 14% below the U.S.
- Listings per 10k households
- 4.7
- 24% above the U.S.
- Population, 2025
- 57,404
- +7.6% since 2020
See the car washes and detailers around any address in McMinn County
The site report maps the car washes and detailers 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 McMinn 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
At $1,026 per household (7% above the U.S. average), households in McMinn County spend about $21.8M a year on vehicle maintenance and repairs. That is about $2.2M of household spending for each location on map listings, 14% below the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
McMinn County has 10 car washes and detailers on map listings as of September 2026. Of those, 3 are chain locations, or 30%, against 23% across the U.S. Per 10,000 households, that is 4.7, 24% above the U.S. rate of 3.8.
Official counts show 3 businesses with payroll classed as car washes in McMinn County in 2023. That is one for every 7,073 households, against one for every 6,523 across the U.S.
Population estimates show McMinn County grew 7.6% from 2020 to 2025, faster than the U.S. (+3.1%). For car washes and detailers, McMinn County has a Groundwork market score of 62 (upper middle): #423 of 1,451 scored counties and #17 of 47 scored counties in Tennessee.
How McMinn 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 car washes and detailers 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 | McMinn County | Tennessee | U.S. |
|---|---|---|---|
| Listings per 10k households | 4.7 | 3.9 | 3.8 |
| Spending per listing | $2.2M | $2.4M | $2.5M |
| Households per official establishment | 7,073 | 7,613 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +15.6% | +16.7% |
| Population growth, 2020–2025 | +7.6% | +5.6% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,026 | $944 | $958 |
| Median household income | $61,470 | $69,595 | $80,734 |
| Groundwork market score | 62 | 59 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 3
- Employees, 2023
- 21
- Annual payroll, 2023
- $751K
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 103 chain locations
- Listings at the U.S. rate for this spending
- 9The 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 car washes in McMinn 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 McMinn County
- Population, 2025 estimate
- 57,404+7.6% since 2020
- Households
- 21,218
- Median age
- 43.1
- Homes lived in by their owners
- 76%
- Vehicles per household
- 2.2
- Land area
- 430 sq. mi.
- People per square mile
- 128
- Median household income
- $61,470+42.0% vs. 2015–2019, before inflation
- Average household income
- $81,692
- Median home value
- $211,800
- Jobs located here
- 17,828
- Daytime population
- 50,660Residents who don’t work, plus everyone whose job is here
Looking at a specific site in McMinn 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 car washes and detailers on map listings by name and distance.
Or open the report at the center of McMinn County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardCar washes and detailing across Tennessee
Every Tennessee market ranked →The highest-scoring counties in Tennessee for car washes and detailers, numbered among those based in Tennessee, with McMinn County marked.
Top counties in Tennessee
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Williamson County, TN | 89 | 28 | 3.0 | $3.8M | +9.0% | #13 of 1,451 |
| 2Loudon County, TN | 86 | 8 | 3.3 | $3.3M | +15.6% | #31 of 1,451 |
| 3Roane County, TN | 78 | 7 | 3.1 | $3.4M | +7.0% | #78 of 1,451 |
| 4Bradley County, TN | 76 | 15 | 3.5 | $2.8M | +6.1% | #113 of 1,451 |
| 5Jefferson County, TN | 72 | 8 | 3.7 | $2.8M | +9.3% | #187 of 1,451 |
| 6Cumberland County, TN | 71 | 8 | 2.8 | $3.2M | +8.0% | #202 of 1,451 |
| 7Lawrence County, TN | 71 | 6 | 3.5 | $2.9M | +6.2% | #210 of 1,451 |
| 8Bedford County, TN | 71 | 9 | 4.6 | $2.4M | +9.7% | #218 of 1,451 |
| 9Tipton County, TN | 68 | 5 | 2.2 | $4.7M | +2.0% | #272 of 1,451 |
| 10Dickson County, TN | 67 | 9 | 4.1 | $2.7M | +7.7% | #303 of 1,451 |
| 17McMinn County, TN | 62 | 10 | 4.7 | $2.2M | +7.6% | #423 of 1,451 |
Other business types in McMinn County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
- Auto repair and car care72
- Auto repair shops73
- Collision repair and body shops78
- Car washes and detailing62
- Tire shops70
- Oil change and quick lube
- Gas stations46
- Insurance agencies80
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many car washes and detailers are in McMinn County, TN?
Map listings as of September 2026 show 10 car washes and detailers in McMinn County. 3 of them (30%) are chain locations. The listings count car washes and detailers. Official counts show 3 businesses with payroll classed as car washes in 2023.
How much do households in McMinn County, TN spend on vehicle maintenance and repairs?
About $21.8M a year, or $1,026 per household. That is 7% above the U.S. average (an index of 107, where 100 is the U.S. average). Spread across the 10 car washes and detailers on map listings, it comes to $2.2M per location. That spending covers all vehicle maintenance and repairs, which car washes and detailers share with other businesses in the trade. It is estimated from the incomes of the 21,218 households in McMinn County and national spending patterns by income.
How does McMinn County, TN compare with the U.S. for car washes and detailers?
McMinn County has 4.7 car washes and detailers per 10,000 households, 24% above the U.S. rate of 3.8. Spending per location is $2.2M, 14% below the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, McMinn County would have about 9, against 10 on map listings. There is one business with payroll in the industry for every 7,073 households, against one for every 6,523 across the U.S.
How fast is McMinn County, TN growing?
Population estimates put McMinn County at 57,404 people in 2025, up 7.6% since 2020, faster than the U.S. (+3.1%). It has 21,218 households. The median household income in McMinn County is $61,470 a year, 24% below the U.S. median of $80,734. That rose 42.0% 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. McMinn County scores 62 for car washes and detailers (upper middle), #423 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in McMinn County. It maps the car washes and detailers 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 car washes and detailers · All 56 business types in McMinn County
Screening a site or an acquisition in McMinn 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 McMinn 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.