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Car washes and detailers in Knox County, OH
How Knox County, OH 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 #418 of 1,451 scored counties
#21 of 73 scored counties in Ohio
- Listings
- 11
- 1 chain location (9%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $26.9M
- On vehicle maintenance and repairs · $1,146 a household
- Spending per listing
- $2.4M
- 3% below the U.S.
- Listings per 10k households
- 4.7
- 24% above the U.S.
- Population, 2025
- 64,002
- +1.9% since 2020
See the car washes and detailers around any address in Knox 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 Knox 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 $1,146 per household (20% above the U.S. average), households in Knox County spend about $26.9M a year on vehicle maintenance and repairs. That is about $2.4M of household spending for each location on map listings, 3% below the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
Knox County has 11 car washes and detailers on map listings as of September 2026. One of them (9%) is a chain location, 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 don’t publish a figure for car washes in Knox County, since they leave out counts under 3.
Population estimates show Knox County grew 1.9% from 2020 to 2025, slower than the U.S. (+3.1%). The Groundwork market score for car washes and detailers in Knox County is 62 (upper middle), #418 of 1,451 scored counties and #21 of 73 scored counties in Ohio.
How Knox County compares
The same measures for Ohio 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 | Knox County | Ohio | U.S. |
|---|---|---|---|
| Listings per 10k households | 4.7 | 4.4 | 3.8 |
| Spending per listing | $2.4M | $2.4M | $2.5M |
| Households per official establishment | n/a | 6,792 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +26.3% | +16.7% |
| Population growth, 2020–2025 | +1.9% | +0.9% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,146 | $1,033 | $958 |
| Median household income | $73,878 | $71,389 | $80,734 |
| Groundwork market score | 62 | 44 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/a
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 111 chain location
- Listings at the U.S. rate for this spending
- 11The 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 Knox 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 Knox County
- Population, 2025 estimate
- 64,002+1.9% since 2020
- Households
- 23,491
- Median age
- 40.6
- Homes lived in by their owners
- 76%
- Vehicles per household
- 2.0
- Land area
- 526 sq. mi.
- People per square mile
- 120
- Median household income
- $73,878+27.9% vs. 2015–2019, before inflation
- Average household income
- $92,322
- Median home value
- $239,400
- Jobs located here
- 19,622
- Daytime population
- 59,569Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Knox 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 Knox 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 Ohio
Every Ohio market ranked →The highest-scoring counties in Ohio for car washes and detailers, numbered among those based in Ohio, with Knox County marked.
Top counties in Ohio
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Fairfield County, OH | 88 | 20 | 3.3 | $3.7M | +6.5% | #17 of 1,451 |
| 2Clermont County, OH | 83 | 26 | 3.1 | $3.9M | +3.9% | #45 of 1,451 |
| 3Licking County, OH | 83 | 22 | 3.2 | $3.6M | +3.8% | #46 of 1,451 |
| 4Delaware County, OH | 77 | 31 | 3.8 | $3.4M | +12.5% | #96 of 1,451 |
| 5Warren County, OH | 77 | 35 | 3.8 | $3.4M | +5.7% | #97 of 1,451 |
| 6Pickaway County, OH | 76 | 10 | 4.6 | $2.6M | +7.4% | #114 of 1,451 |
| 7Highland County, OH | 75 | 6 | 3.5 | $3.4M | +1.1% | #124 of 1,451 |
| 8Greene County, OH | 75 | 30 | 4.4 | $2.6M | +3.7% | #131 of 1,451 |
| 9Auglaize County, OH | 74 | 6 | 3.2 | $3.9M | −1.2% | #135 of 1,451 |
| 10Brown County, OH | 73 | 6 | 3.5 | $3.7M | +1.6% | #157 of 1,451 |
| 21Knox County, OH | 62 | 11 | 4.7 | $2.4M | +1.9% | #418 of 1,451 |
Other business types in Knox 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 care67
- Auto repair shops69
- Collision repair and body shops82
- Car washes and detailing62
- Tire shops60
- Oil change and quick lube
- Gas stations57
- Insurance agencies51
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 Knox County, OH?
Map listings as of September 2026 show 11 car washes and detailers in Knox County. One of them (9%) is a chain location. The listings count car washes and detailers. No official count is published for car washes in Knox County: counts under 3 are left out.
How much do households in Knox County, OH spend on vehicle maintenance and repairs?
About $26.9M a year, or $1,146 per household. That is 20% above the U.S. average (an index of 120, where 100 is the U.S. average). Spread across the 11 car washes and detailers on map listings, it comes to $2.4M 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 23,491 households in Knox County and national spending patterns by income.
How does Knox County, OH compare with the U.S. for car washes and detailers?
Knox 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 $2.4M, 3% below the U.S. figure of $2.5M. The count on map listings matches the U.S. ratio of car washes and detailers to household spending.
How fast is Knox County, OH growing?
Population estimates put Knox County at 64,002 people in 2025, up 1.9% since 2020, slower than the U.S. (+3.1%). It has 23,491 households. The median household income in Knox County is $73,878 a year, 8% below the U.S. median of $80,734. That rose 27.9% 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. Knox County scores 62 for car washes and detailers (upper middle), #418 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Knox 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 Knox County
Screening a site or an acquisition in Knox 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 Knox 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.