Auto · County · Ohio
Car washes and detailers in Hamilton County, OH
The car washes and detailers in Hamilton County, OH, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 64 out of 100: Upper middle
Ranked #357 of 1,451 scored counties
#17 of 73 scored counties in Ohio
- Listings
- 105
- 20 chain locations (19%)
- Official establishments
- 48
- +20.0% since 2019
- Household spending a year
- $336M
- On vehicle maintenance and repairs · $947 a household
- Spending per listing
- $3.2M
- 27% above the U.S.
- Listings per 10k households
- 3.0
- 21% below the U.S.
- Population, 2025
- 838,418
- +1.0% since 2020
See the car washes and detailers around any address in Hamilton 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 Hamilton 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
Household spending on vehicle maintenance and repairs in Hamilton County comes to about $336M a year: $947 per household, in line with the U.S. average. That is about $3.2M of household spending for each location on map listings, 27% above the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
Hamilton County has 105 car washes and detailers on map listings as of September 2026. 20 of them (19%) are chain locations, against 23% across the U.S. Per 10,000 households, that is 3.0, 21% below the U.S. rate of 3.8.
Official counts show 48 businesses with payroll classed as car washes in Hamilton County in 2023, up 20.0% from 2019. That is one for every 7,390 households, against one for every 6,523 across the U.S. Since fiscal 2022, 4 SBA-backed loans worth $1.7M have gone to businesses classed as car washes in Hamilton County.
Between 2020 and 2025, the population of Hamilton County grew 1.0%, slower than the U.S. (+3.1%). For car washes and detailers, Hamilton County has a Groundwork market score of 64 (upper middle): #357 of 1,451 scored counties and #17 of 73 scored counties in Ohio. That puts it in the top quarter of counties.
How Hamilton 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 | Hamilton County | Ohio | U.S. |
|---|---|---|---|
| Listings per 10k households | 3.0 | 4.4 | 3.8 |
| Spending per listing | $3.2M | $2.4M | $2.5M |
| Households per official establishment | 7,390 | 6,792 | 6,523 |
| Official establishment growth, 2019–2023 | +20.0% | +26.3% | +16.7% |
| Population growth, 2020–2025 | +1.0% | +0.9% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $947 | $1,033 | $958 |
| Median household income | $72,470 | $71,389 | $80,734 |
| Groundwork market score | 64 | 44 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 40 → 48+20.0% over the period
- Employees, 2023
- 451
- Annual payroll, 2023
- $13M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 10520 chain locations
- Listings at the U.S. rate for this spending
- 133The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 4
- Amount
- $1.7M
SBA-backed loans to businesses classed as car washes in Hamilton 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 Hamilton County
- Population, 2025 estimate
- 838,418+1.0% since 2020
- Households
- 354,739
- Median age
- 38.7
- Homes lived in by their owners
- 59%
- Vehicles per household
- 1.6
- Land area
- 406 sq. mi.
- People per square mile
- 2,049
- Median household income
- $72,470+26.7% vs. 2015–2019, before inflation
- Average household income
- $106,646
- Median home value
- $241,900
- Jobs located here
- 534,856
- Daytime population
- 968,934Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Hamilton 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 Hamilton 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 Hamilton 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 |
| 17Hamilton County, OH | 64 | 105 | 3.0 | $3.2M | +1.0% | #357 of 1,451 |
Other business types in Hamilton 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 care62
- Auto repair shops61
- Collision repair and body shops64
- Car washes and detailing64
- Tire shops51
- Oil change and quick lube52
- Gas stations64
- Insurance agencies25
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 Hamilton County, OH?
Map listings as of September 2026 show 105 car washes and detailers in Hamilton County. 20 of them (19%) are chain locations. The listings count car washes and detailers. Official counts show 48 businesses with payroll classed as car washes in 2023, up 20.0% from 2019.
How much do households in Hamilton County, OH spend on vehicle maintenance and repairs?
About $336M a year, or $947 per household. That is in line with the U.S. average (an index of 99, where 100 is the U.S. average). Spread across the 105 car washes and detailers on map listings, it comes to $3.2M 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 354,739 households in Hamilton County and national spending patterns by income.
How does Hamilton County, OH compare with the U.S. for car washes and detailers?
Hamilton County has 3.0 car washes and detailers per 10,000 households, 21% below the U.S. rate of 3.8. Spending per location is $3.2M, 27% above the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, Hamilton County would have about 133, against 105 on map listings. There is one business with payroll in the industry for every 7,390 households, against one for every 6,523 across the U.S. The official count rose 20.0% from 2019 to 2023, against +16.7% for the U.S.
How fast is Hamilton County, OH growing?
Population estimates put Hamilton County at 838,418 people in 2025, up 1.0% since 2020, slower than the U.S. (+3.1%). It has 354,739 households. The median household income in Hamilton County is $72,470 a year, 10% below the U.S. median of $80,734. That rose 26.7% 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. Hamilton County scores 64 for car washes and detailers (upper middle), #357 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Hamilton 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 Hamilton County
Screening a site or an acquisition in Hamilton 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 Hamilton 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.