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Auto · County · Washington

Car washes and detailers in Snohomish County, WA

The car washes and detailers in Snohomish County, WA, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 83 out of 100: High

Ranked #43 of 1,451 scored counties
#3 of 20 scored counties in Washington

Listings
81
12 chain locations (15%)
Official establishments
48
+41.2% since 2019
Household spending a year
$378.3M
On vehicle maintenance and repairs · $1,196 a household
Spending per listing
$4.7M
85% above the U.S.
Listings per 10k households
2.6
32% below the U.S.
Population, 2025
870,656
+4.9% since 2020

See the car washes and detailers around any address in Snohomish 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 Snohomish County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey 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, Snohomish County has a Groundwork market score of 83 (high): #43 of 1,451 scored counties and #3 of 20 scored counties in Washington. That puts it in the top 10% of counties for car washes and detailers.

At $1,196 per household (25% above the U.S. average), households in Snohomish County spend about $378.3M a year on vehicle maintenance and repairs. Spread across 81 car washes and detailers, that is $4.7M per location, 85% above the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.

Snohomish County has 81 car washes and detailers on map listings as of September 2026. 12 of them (15%) are chain locations, against 23% across the U.S. That is 2.6 per 10,000 households, 32% below the U.S. rate of 3.8.

Official counts show 48 businesses with payroll classed as car washes in Snohomish County in 2023, up 41.2% from 2019. That is one for every 6,588 households, against one for every 6,523 across the U.S. Since fiscal 2022, 2 SBA-backed loans worth $5.7M have gone to businesses classed as car washes in Snohomish County. Population estimates show Snohomish County grew 4.9% from 2020 to 2025, faster than the U.S. (+3.1%).

How Snohomish 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.

Car washes and detailing in Snohomish County, WA compared with Washington and the U.S.
MeasureSnohomish CountyWashingtonU.S.
Listings per 10k households2.62.83.8
Spending per listing$4.7M$3.9M$2.5M
Households per official establishment6,5887,1616,523
Official establishment growth, 2019–2023+41.2%+8.1%+16.7%
Population growth, 2020–2025+4.9%+3.6%+3.1%
Spending per household on vehicle maintenance and repairs$1,196$1,104$958
Median household income$111,246$98,141$80,734
Groundwork market score8380

Official counts and lending

Businesses

Official establishments, 2019 to 2023
34 → 48+41.2% over the period
Employees, 2023
263
Annual payroll, 2023
$8.9M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
8112 chain locations
Listings at the U.S. rate for this spending
150The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
2
Amount
$5.7M

SBA-backed loans to businesses classed as car washes in Snohomish 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 Snohomish County

Population, 2025 estimate
870,656+4.9% since 2020
Households
316,212
Median age
39.7
Homes lived in by their owners
68%
Vehicles per household
2.0
Land area
2,087 sq. mi.
People per square mile
405
Median household income
$111,246+28.3% vs. 2015–2019, before inflation
Average household income
$142,831
Median home value
$696,000
Jobs located here
295,384
Daytime population
731,489Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Snohomish 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 Snohomish County. Signed out, you see a blurred preview; on an account, each report is one action.

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Car 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 Snohomish County marked.

Top counties in Washington

Counties in Washington ranked for car washes and detailers by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Clark County, WA87542.8$4.2M+5.3%#20 of 1,451
2Lewis County, WA8592.7$4.5M+6.7%#33 of 1,451
3Snohomish County, WA83812.6$4.7M+4.9%#43 of 1,451
4King County, WA791852.0$5M+3.1%#63 of 1,451
5Whatcom County, WA78303.2$3.5M+3.9%#76 of 1,451
6Cowlitz County, WA77122.7$4.2M+3.5%#90 of 1,451
7Kittitas County, WA7552.5$4.8M+4.2%#116 of 1,451
8Pierce County, WA751163.3$3.5M+2.5%#120 of 1,451
9Thurston County, WA74423.5$3.2M+2.8%#141 of 1,451
10Kitsap County, WA73272.5$4.8M+2.7%#152 of 1,451

Other business types in Snohomish County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many car washes and detailers are in Snohomish County, WA?

Map listings as of September 2026 show 81 car washes and detailers in Snohomish County. 12 of them (15%) are chain locations. The listings count car washes and detailers. Official counts show 48 businesses with payroll classed as car washes in 2023, up 41.2% from 2019.

How much do households in Snohomish County, WA spend on vehicle maintenance and repairs?

About $378.3M a year, or $1,196 per household. That is 25% above the U.S. average (an index of 125, where 100 is the U.S. average). Spread across the 81 car washes and detailers on map listings, it comes to $4.7M 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 316,212 households in Snohomish County and national spending patterns by income.

How does Snohomish County, WA compare with the U.S. for car washes and detailers?

Snohomish County has 2.6 car washes and detailers per 10,000 households, 32% below the U.S. rate of 3.8. Spending per location is $4.7M, 85% above the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, Snohomish County would have about 150, against 81 on map listings. There is one business with payroll in the industry for every 6,588 households, against one for every 6,523 across the U.S. The official count rose 41.2% from 2019 to 2023, against +16.7% for the U.S.

How fast is Snohomish County, WA growing?

Population estimates put Snohomish County at 870,656 people in 2025, up 4.9% since 2020, faster than the U.S. (+3.1%). It has 316,212 households. The median household income in Snohomish County is $111,246 a year, 38% above the U.S. median of $80,734. That rose 28.3% 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. Snohomish County scores 83 for car washes and detailers (high), #43 of 1,451 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Snohomish 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 Snohomish County

Screening a site or an acquisition in Snohomish 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 Snohomish 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.