Auto · County · Wisconsin
Car washes and detailers in Washington County, WI
Competitor counts, household spending and official business counts for car washes and detailers in Washington County, WI, set against other counties and the U.S.
Groundwork market score · out of 100
Score 80 out of 100: High
Ranked #58 of 1,451 scored counties
#4 of 36 scored counties in Wisconsin
- Listings
- 19
- 2 chain locations (11%)
- Official establishments
- 6
- Businesses with payroll, 2023
- Household spending a year
- $65.6M
- On vehicle maintenance and repairs · $1,150 a household
- Spending per listing
- $3.5M
- 37% above the U.S.
- Listings per 10k households
- 3.3
- 13% below the U.S.
- Population, 2025
- 139,238
- +1.8% since 2020
See the car washes and detailers around any address in Washington 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 Washington 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
For car washes and detailers, Washington County has a Groundwork market score of 80 (high): #58 of 1,451 scored counties and #4 of 36 scored counties in Wisconsin. That puts it in the top 10% of counties for car washes and detailers.
Households in Washington County spend about $65.6M a year on vehicle maintenance and repairs, or $1,150 per household, 20% above the U.S. average. Spread across 19 car washes and detailers, that is $3.5M per location, 37% above the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
Washington County has 19 car washes and detailers on map listings as of September 2026. 2 of them (11%) are chain locations, against 23% across the U.S. That comes to 3.3 for every 10,000 households, 13% below the U.S. rate of 3.8.
Official counts show 6 businesses with payroll classed as car washes in Washington County in 2023. That is one for every 9,512 households, against one for every 6,523 across the U.S. Population estimates show Washington County grew 1.8% from 2020 to 2025, slower than the U.S. (+3.1%).
How Washington County compares
The same measures for Wisconsin 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 | Washington County | Wisconsin | U.S. |
|---|---|---|---|
| Listings per 10k households | 3.3 | 3.3 | 3.8 |
| Spending per listing | $3.5M | $3.2M | $2.5M |
| Households per official establishment | 9,512 | 9,500 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +22.0% | +16.7% |
| Population growth, 2020–2025 | +1.8% | +1.3% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,150 | $1,061 | $958 |
| Median household income | $96,359 | $77,485 | $80,734 |
| Groundwork market score | 80 | 74 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 5 → 6
- Employees, 2023
- 38
- Annual payroll, 2023
- $1.1M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 192 chain locations
- Listings at the U.S. rate for this spending
- 26The 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 Washington 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 Washington County
- Population, 2025 estimate
- 139,238+1.8% since 2020
- Households
- 57,070
- Median age
- 44.4
- Homes lived in by their owners
- 78%
- Vehicles per household
- 1.9
- Land area
- 431 sq. mi.
- People per square mile
- 320
- Median household income
- $96,359+24.1% vs. 2015–2019, before inflation
- Average household income
- $116,246
- Median home value
- $344,800
- Jobs located here
- 59,079
- Daytime population
- 123,552Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Washington 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 Washington 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 Wisconsin
Every Wisconsin market ranked →The highest-scoring counties in Wisconsin for car washes and detailers, numbered among those based in Wisconsin, with Washington County marked.
Top counties in Wisconsin
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Walworth County, WI | 84 | 11 | 2.6 | $4.7M | +0.8% | #39 of 1,451 |
| 2Oconto County, WI | 84 | 6 | 3.6 | $3.5M | +2.9% | #40 of 1,451 |
| 3Portage County, WI | 80 | 8 | 2.7 | $4.2M | +2.2% | #56 of 1,451 |
| 4Washington County, WI | 80 | 19 | 3.3 | $3.5M | +1.8% | #58 of 1,451 |
| 5Dane County, WI | 78 | 73 | 2.9 | $3.4M | +4.9% | #77 of 1,451 |
| 6Manitowoc County, WI | 77 | 10 | 2.8 | $3.8M | +0.4% | #92 of 1,451 |
| 7Dunn County, WI | 77 | 6 | 3.4 | $3.4M | +1.7% | #95 of 1,451 |
| 8Sauk County, WI | 75 | 9 | 3.2 | $3.5M | +1.3% | #119 of 1,451 |
| 9Marathon County, WI | 75 | 21 | 3.6 | $3.1M | +1.0% | #127 of 1,451 |
| 10Rock County, WI | 75 | 25 | 3.7 | $2.9M | +1.7% | #128 of 1,451 |
Other business types in Washington 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 care56
- Auto repair shops52
- Collision repair and body shops53
- Car washes and detailing80
- Tire shops81
- Oil change and quick lube52
- Gas stations67
- Insurance agencies39
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 Washington County, WI?
Map listings as of September 2026 show 19 car washes and detailers in Washington County. 2 of them (11%) are chain locations. The listings count car washes and detailers. Official counts show 6 businesses with payroll classed as car washes in 2023.
How much do households in Washington County, WI spend on vehicle maintenance and repairs?
About $65.6M a year, or $1,150 per household. That is 20% above the U.S. average (an index of 120, where 100 is the U.S. average). Spread across the 19 car washes and detailers on map listings, it comes to $3.5M 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 57,070 households in Washington County and national spending patterns by income.
How does Washington County, WI compare with the U.S. for car washes and detailers?
Washington County has 3.3 car washes and detailers per 10,000 households, 13% below the U.S. rate of 3.8. Spending per location is $3.5M, 37% above the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, Washington County would have about 26, against 19 on map listings. There is one business with payroll in the industry for every 9,512 households, against one for every 6,523 across the U.S.
How fast is Washington County, WI growing?
Population estimates put Washington County at 139,238 people in 2025, up 1.8% since 2020, slower than the U.S. (+3.1%). It has 57,070 households. The median household income in Washington County is $96,359 a year, 19% above the U.S. median of $80,734. That rose 24.1% 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. Washington County scores 80 for car washes and detailers (high), #58 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Washington 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 Washington County
Screening a site or an acquisition in Washington 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 Washington 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.