Auto · County · Washington
Car washes and detailers in Mason County, WA
How Mason County, WA compares with other counties and the U.S. for car washes and detailers: competitors, household spending, official counts and growth.
Groundwork market score
Not scored
The score needs at least 5 listings; this market has 2.
- Listings
- 2
- 1 chain location (50%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $33.4M
- On vehicle maintenance and repairs · $1,284 a household
- Spending per listing
- $16.7M
- Too few listings to compare
- Listings per 10k households
- 0.8
- Too few listings to compare
- Population, 2025
- 71,165
- +7.8% since 2020
See the car washes and detailers around any address in Mason 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 Mason 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
Households in Mason County spend about $33.4M a year on vehicle maintenance and repairs, or $1,284 per household, 34% above the U.S. average. That is about $16.7M of household spending for each location on map listings. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
There are 2 car washes and detailers on map listings in Mason County as of September 2026. That is 0.8 per 10,000 households.
Official counts don’t publish a figure for car washes in Mason County, since they leave out counts under 3.
Population estimates put the population change in Mason County from 2020 to 2025 at +7.8%, faster than the U.S. (+3.1%). With 2 car washes and detailers on map listings, Mason County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
How Mason County compares
The same measures for Washington 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 | Mason County | Washington | U.S. |
|---|---|---|---|
| Listings per 10k households | 0.8 | 2.8 | 3.8 |
| Spending per listing | $16.7M | $3.9M | $2.5M |
| Households per official establishment | n/a | 7,161 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +8.1% | +16.7% |
| Population growth, 2020–2025 | +7.8% | +3.6% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,284 | $1,104 | $958 |
| Median household income | $83,270 | $98,141 | $80,734 |
| Groundwork market score | Not scored | 80 |
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
- 21 chain location
- Listings at the U.S. rate for this spending
- 13The 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 Mason 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 Mason County
- Population, 2025 estimate
- 71,165+7.8% since 2020
- Households
- 26,029
- Median age
- 45.5
- Homes lived in by their owners
- 82%
- Vehicles per household
- 2.3
- Land area
- 960 sq. mi.
- People per square mile
- 71
- Median household income
- $83,270+44.5% vs. 2015–2019, before inflation
- Average household income
- $100,630
- Median home value
- $411,800
- Jobs located here
- 13,833
- Daytime population
- 54,996Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Mason 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 Mason 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 Washington
Every Washington market ranked →The highest-scoring counties in Washington for car washes and detailers, numbered among those based in Washington, with Mason County marked.
Top counties in Washington
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Clark County, WA | 87 | 54 | 2.8 | $4.2M | +5.3% | #20 of 1,451 |
| 2Lewis County, WA | 85 | 9 | 2.7 | $4.5M | +6.7% | #33 of 1,451 |
| 3Snohomish County, WA | 83 | 81 | 2.6 | $4.7M | +4.9% | #43 of 1,451 |
| 4King County, WA | 79 | 185 | 2.0 | $5M | +3.1% | #63 of 1,451 |
| 5Whatcom County, WA | 78 | 30 | 3.2 | $3.5M | +3.9% | #76 of 1,451 |
| 6Cowlitz County, WA | 77 | 12 | 2.7 | $4.2M | +3.5% | #90 of 1,451 |
| 7Kittitas County, WA | 75 | 5 | 2.5 | $4.8M | +4.2% | #116 of 1,451 |
| 8Pierce County, WA | 75 | 116 | 3.3 | $3.5M | +2.5% | #120 of 1,451 |
| 9Thurston County, WA | 74 | 42 | 3.5 | $3.2M | +2.8% | #141 of 1,451 |
| 10Kitsap County, WA | 73 | 27 | 2.5 | $4.8M | +2.7% | #152 of 1,451 |
| Mason County, WA | Not scored | 2 | 0.8 | $16.7M | +7.8% |
Other business types in Mason 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 car washes and detailers are in Mason County, WA?
As of September 2026, map listings count 2 car washes and detailers in Mason County. The listings count car washes and detailers. No official count is published for car washes in Mason County: counts under 3 are left out.
How much do households in Mason County, WA spend on vehicle maintenance and repairs?
About $33.4M a year, or $1,284 per household. That is 34% above the U.S. average (an index of 134, where 100 is the U.S. average). Spread across the 2 car washes and detailers on map listings, it comes to $16.7M 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 26,029 households in Mason County and national spending patterns by income.
How does Mason County, WA compare with the U.S. for car washes and detailers?
Mason County has 2 car washes and detailers on map listings, too few for a steady comparison with the U.S. rate. At the U.S. ratio of car washes and detailers to household spending, Mason County would have about 13, against 2 on map listings.
How fast is Mason County, WA growing?
Population estimates put Mason County at 71,165 people in 2025, up 7.8% since 2020, faster than the U.S. (+3.1%). It has 26,029 households. The median household income in Mason County is $83,270 a year, 3% above the U.S. median of $80,734. That rose 44.5% 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. Mason County has no market score for car washes and detailers: the score needs at least 5 on map listings, and it has 2.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Mason 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 Mason County
Screening a site or an acquisition in Mason 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 Mason 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.