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Car washes and detailers in Yellowstone County, MT

Competitor counts, household spending and official business counts for car washes and detailers in Yellowstone County, MT, set against other counties and the U.S.

Groundwork market score · out of 100

Score 62 out of 100: Upper middle

Ranked #407 of 1,451 scored counties
#1 of 7 scored counties in Montana

Listings
27
2 chain locations (7%)
Official establishments
18
Businesses with payroll, 2023
Household spending a year
$79.1M
On vehicle maintenance and repairs · $1,132 a household
Spending per listing
$2.9M
16% above the U.S.
Listings per 10k households
3.9
3% above the U.S.
Population, 2025
172,692
+4.5% since 2020

See the car washes and detailers around any address in Yellowstone 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 Yellowstone 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

As of September 2026, map listings count 27 car washes and detailers in Yellowstone County. Chain locations make up 7% of them, against 23% across the U.S. That is 3.9 per 10,000 households, 3% above the U.S. rate of 3.8.

Household spending on vehicle maintenance and repairs in Yellowstone County comes to about $79.1M a year: $1,132 per household, 18% above the U.S. average. That is about $2.9M of household spending for each location on map listings, 16% above the U.S. figure of $2.5M. That spending covers all vehicle maintenance and repairs, which car washes and detailers share with other businesses in the trade.

Official counts show 18 businesses with payroll classed as car washes in Yellowstone County in 2023. That is one for every 3,883 households, against one for every 6,523 across the U.S. Since fiscal 2022, 4 SBA-backed loans worth $14.4M have gone to businesses classed as car washes in Yellowstone County.

Population estimates show Yellowstone County grew 4.5% from 2020 to 2025, faster than the U.S. (+3.1%). Yellowstone County scores 62 (upper middle) on the Groundwork market score for car washes and detailers, ranking #407 of 1,451 scored counties and #1 of 7 scored counties in Montana.

How Yellowstone County compares

The same measures for Montana 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 Yellowstone County, MT compared with Montana and the U.S.
MeasureYellowstone CountyMontanaU.S.
Listings per 10k households3.93.83.8
Spending per listing$2.9M$3.1M$2.5M
Households per official establishment3,8834,3296,523
Official establishment growth, 2019–2023n/a+34.2%+16.7%
Population growth, 2020–2025+4.5%+5.3%+3.1%
Spending per household on vehicle maintenance and repairs$1,132$1,157$958
Median household income$76,570$72,509$80,734
Groundwork market score6265

Official counts and lending

Businesses

Official establishments, 2019 to 2023
12 → 18
Employees, 2023
86
Annual payroll, 2023
$2.1M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
272 chain locations
Listings at the U.S. rate for this spending
31The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
4
Amount
$14.4M

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

Population, 2025 estimate
172,692+4.5% since 2020
Households
69,897
Median age
39.6
Homes lived in by their owners
70%
Vehicles per household
2.0
Land area
2,633 sq. mi.
People per square mile
64
Median household income
$76,570+25.0% vs. 2015–2019, before inflation
Average household income
$104,900
Median home value
$349,500
Jobs located here
90,871
Daytime population
173,526Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Yellowstone 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 Yellowstone 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 Montana

Every Montana market ranked →

The highest-scoring counties in Montana for car washes and detailers, numbered among those based in Montana, with Yellowstone County marked.

Top counties in Montana

Counties in Montana ranked for car washes and detailers by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Yellowstone County, MT62273.9$2.9M+4.5%#407 of 1,451
2Lewis and Clark County, MT62123.8$2.9M+5.8%#409 of 1,451
3Silver Bow County, MT6263.9$2.6M+2.6%#412 of 1,451
4Missoula County, MT61193.6$2.9M+4.4%#434 of 1,451
5Gallatin County, MT57265.1$2.4M+7.7%#543 of 1,451
6Cascade County, MT49154.2$2.6M+0.7%#743 of 1,451
7Flathead County, MT49255.7$2M+10.1%#757 of 1,451

Other business types in Yellowstone County

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

Questions

How many car washes and detailers are in Yellowstone County, MT?

Yellowstone County has 27 car washes and detailers on map listings as of September 2026. 2 of them (7%) are chain locations. The listings count car washes and detailers. Official counts show 18 businesses with payroll classed as car washes in 2023.

How much do households in Yellowstone County, MT spend on vehicle maintenance and repairs?

About $79.1M a year, or $1,132 per household. That is 18% above the U.S. average (an index of 118, where 100 is the U.S. average). Spread across the 27 car washes and detailers on map listings, it comes to $2.9M per location. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers. It is estimated from the incomes of the 69,897 households in Yellowstone County and national spending patterns by income.

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

Yellowstone County has 3.9 car washes and detailers per 10,000 households, 3% above the U.S. rate of 3.8. Spending per location is $2.9M, 16% above the U.S. figure of $2.5M. At the national ratio of car washes and detailers to household spending, Yellowstone County would have about 31, against 27 on map listings. There is one business with payroll in the industry for every 3,883 households, against one for every 6,523 across the U.S.

How fast is Yellowstone County, MT growing?

Population estimates put Yellowstone County at 172,692 people in 2025, up 4.5% since 2020, faster than the U.S. (+3.1%). It has 69,897 households. Median household income in Yellowstone County is $76,570, 5% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 25.0%, 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. Yellowstone County scores 62 for car washes and detailers (upper middle), #407 of 1,451 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Yellowstone 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 Yellowstone 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.