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Car washes and detailers in Montgomery County, MD

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

Groundwork market score · out of 100

Score 72 out of 100: Upper middle

Ranked #172 of 1,451 scored counties
#6 of 22 scored counties in Maryland

Listings
77
12 chain locations (16%)
Official establishments
36
+24.1% since 2019
Household spending a year
$352.7M
On vehicle maintenance and repairs · $906 a household
Spending per listing
$4.6M
82% above the U.S.
Listings per 10k households
2.0
47% below the U.S.
Population, 2025
1,074,582
+1.3% since 2020

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

Map listings as of September 2026 show 77 car washes and detailers in Montgomery County. Chain locations make up 16% of them, against 23% across the U.S. That comes to 2.0 for every 10,000 households, 47% below the U.S. rate of 3.8.

Household spending on vehicle maintenance and repairs in Montgomery County comes to about $352.7M a year: $906 per household, 5% below the U.S. average. That works out to $4.6M per location, 82% 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 36 businesses with payroll classed as car washes in Montgomery County in 2023, up 24.1% from 2019. That is one for every 10,811 households, against one for every 6,523 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $25K has gone to businesses classed as car washes in Montgomery County.

Population estimates show Montgomery County grew 1.3% from 2020 to 2025, slower than the U.S. (+3.1%). For car washes and detailers, Montgomery County has a Groundwork market score of 72 (upper middle): #172 of 1,451 scored counties and #6 of 22 scored counties in Maryland. That puts it in the top quarter of counties.

How Montgomery County compares

The same measures for Maryland 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 Montgomery County, MD compared with Maryland and the U.S.
MeasureMontgomery CountyMarylandU.S.
Listings per 10k households2.03.13.8
Spending per listing$4.6M$3M$2.5M
Households per official establishment10,8118,2056,523
Official establishment growth, 2019–2023+24.1%+15.2%+16.7%
Population growth, 2020–2025+1.3%+1.4%+3.1%
Spending per household on vehicle maintenance and repairs$906$908$958
Median household income$132,450$103,678$80,734
Groundwork market score7261

Official counts and lending

Businesses

Official establishments, 2019 to 2023
29 → 36+24.1% over the period
Employees, 2023
394
Annual payroll, 2023
$13.8M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
7712 chain locations
Listings at the U.S. rate for this spending
140The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$25K

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

Population, 2025 estimate
1,074,582+1.3% since 2020
Households
389,210
Median age
41.4
Homes lived in by their owners
65%
Vehicles per household
1.7
Land area
493 sq. mi.
People per square mile
2,162
Median household income
$132,450+21.7% vs. 2015–2019, before inflation
Average household income
$181,353
Median home value
$640,300
Jobs located here
491,378
Daytime population
1,073,010Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Montgomery 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 Montgomery 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 Maryland

Every Maryland market ranked →

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

Top counties in Maryland

Counties in Maryland ranked for car washes and detailers by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Frederick County, MD87313.0$3.6M+11.0%#21 of 1,451
2Howard County, MD79252.1$5M+1.9%#62 of 1,451
3Carroll County, MD75213.3$3.5M+2.2%#121 of 1,451
4Queen Anne’s County, MD7494.5$2.5M+8.8%#148 of 1,451
5Cecil County, MD73133.2$3.2M+3.2%#163 of 1,451
6Montgomery County, MD72772.0$4.6M+1.3%#172 of 1,451
7Calvert County, MD71154.5$2.8M+1.7%#211 of 1,451
8St. Mary’s County, MD69174.0$2.7M+2.4%#259 of 1,451
9Prince George’s County, MD611043.0$2.9M+0.5%#433 of 1,451
10Harford County, MD60393.8$2.6M+2.0%#463 of 1,451

Other business types in Montgomery County

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

Questions

How many car washes and detailers are in Montgomery County, MD?

There are 77 car washes and detailers on map listings in Montgomery County as of September 2026. 12 of them (16%) are chain locations. The listings count car washes and detailers. Official counts show 36 businesses with payroll classed as car washes in 2023, up 24.1% from 2019.

How much do households in Montgomery County, MD spend on vehicle maintenance and repairs?

About $352.7M a year, or $906 per household. That is 5% below the U.S. average (an index of 95, where 100 is the U.S. average). Spread across the 77 car washes and detailers on map listings, it comes to $4.6M 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 389,210 households in Montgomery County and national spending patterns by income.

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

Montgomery County has 2.0 car washes and detailers per 10,000 households, 47% below the U.S. rate of 3.8. Spending per location is $4.6M, 82% above the U.S. figure of $2.5M. At the national ratio of car washes and detailers to household spending, Montgomery County would have about 140, against 77 on map listings. There is one business with payroll in the industry for every 10,811 households, against one for every 6,523 across the U.S. The official count rose 24.1% from 2019 to 2023, against +16.7% for the U.S.

How fast is Montgomery County, MD growing?

Population estimates put Montgomery County at 1,074,582 people in 2025, up 1.3% since 2020, slower than the U.S. (+3.1%). It has 389,210 households. Median household income in Montgomery County is $132,450, 64% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 21.7%, 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. Montgomery County scores 72 for car washes and detailers (upper middle), #172 of 1,451 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Montgomery 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 Montgomery 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.