Car Washes in King County, WA — Market Data (2023)
96 car washes operate in King County, WA, based on 2023 U.S. Census Bureau County Business Patterns (CBP) data — the same establishment counts the federal government uses for economic statistics.
Market density
That works out to 0.423 establishments per 10,000 residents, 24% below the national average of 0.5569 per 10,000 residents for car washes. Markets with lower density have fewer competitors per capita; markets with higher density have more.
Market data
| Metric | Value |
|---|---|
| Establishments | 96 |
| Density (per 10,000 residents) | 0.423 |
| Employment | 706 |
| Annual payroll | $26,970,000 |
| Average business size (employees/establishment) | 7.4 |
| County population (2023) | 2,271,380 |
Less saturated nearby markets
These counties have a lower car washes density than King County — fewer competitors per capita for the same industry.
- Santa Clara County, CA: 0.394 per 10,000 residents (74 establishments)
- Fairfax County, VA: 0.394 per 10,000 residents (45 establishments)
- Contra Costa County, CA: 0.381 per 10,000 residents (44 establishments)
- Bronx County, NY: 0.361 per 10,000 residents (49 establishments)
See the full Car Washes by county ranking for all 45 counties with available data.
Frequently asked questions
How many car washes are there in King County, WA?
96 car washes operate in King County, WA, according to 2023 U.S. Census Bureau County Business Patterns data.
Is the car washes market in King County, WA saturated compared to the national average?
King County, WA has 0.423 car washes per 10,000 residents, which is 24% below the national average of 0.5569 per 10,000 residents. That means fewer competitors per capita than the typical U.S. county.
What is the average size of a car washe business in King County, WA?
The average car washe business in King County, WA has about 7.4 employees (706 total employment ÷ 96 establishments).
Are there less saturated nearby markets for car washes?
Yes — Santa Clara County, CA has a lower density (0.394 per 10,000 residents) than King County, WA, along with 3 other nearby counties listed below.