Groundwork

Auto · County · Idaho

Car washes and detailers in Washington County, ID

How Washington County, ID 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 none.

Listings
0
None on the map
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$4.8M
On vehicle maintenance and repairs · $1,141 a household
Spending per listing
n/a
Listings per 10k households
0.0
Population, 2025
11,583
+9.7% since 2020

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

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

There are no car washes and detailers on map listings in Washington County as of September 2026. At the U.S. ratio of car washes and detailers to household spending, Washington County would have about 2, against none on map listings.

At $1,141 per household (19% above the U.S. average), households in Washington County spend about $4.8M a year on vehicle maintenance and repairs. That spending covers all vehicle maintenance and repairs, which car washes and detailers share with other businesses in the trade.

There is no official count of businesses with payroll classed as car washes in Washington County: counts under 3 aren’t published.

Population estimates put the population change in Washington County from 2020 to 2025 at +9.7%, faster than the U.S. (+3.1%). With no car washes and detailers on map listings, Washington County isn’t given a market score for them.

How Washington County compares

The same measures for Idaho 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 Washington County, ID compared with Idaho and the U.S.
MeasureWashington CountyIdahoU.S.
Listings per 10k households0.04.53.8
Spending per listingn/a$2.7M$2.5M
Households per official establishmentn/a5,1306,523
Official establishment growth, 2019–2023n/a+24.1%+16.7%
Population growth, 2020–2025+9.7%+9.8%+3.1%
Spending per household on vehicle maintenance and repairs$1,141$1,196$958
Median household income$54,000$77,800$80,734
Groundwork market scoreNot scored64

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
0
Listings at the U.S. rate for this spending
2The 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 Washington 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 Washington County

Population, 2025 estimate
11,583+9.7% since 2020
Households
4,202
Median age
46.3
Homes lived in by their owners
75%
Vehicles per household
2.1
Land area
1,453 sq. mi.
People per square mile
8
Median household income
$54,000+31.7% vs. 2015–2019, before inflation
Average household income
$77,135
Median home value
$278,100
Jobs located here
2,991
Daytime population
9,859Residents who don’t work, plus everyone whose job is here

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

Free10 actions over 3 days, no card

Car washes and detailing across Idaho

Every Idaho market ranked →

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

Top counties in Idaho

Counties in Idaho ranked for car washes and detailers by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Bingham County, ID9353.1$4.3M+6.4%#4 of 1,451
2Bonner County, ID7983.9$2.9M+14.8%#69 of 1,451
3Canyon County, ID75344.0$3.2M+18.1%#126 of 1,451
4Nez Perce County, ID7063.5$3.4M+1.8%#233 of 1,451
5Twin Falls County, ID70154.3$2.6M+7.9%#243 of 1,451
6Ada County, ID61984.8$2.4M+9.6%#445 of 1,451
7Kootenai County, ID59344.8$2.5M+11.0%#491 of 1,451
8Jefferson County, ID5776.9$2.1M+13.6%#550 of 1,451
9Cassia County, ID5478.2$1.5M+6.6%#637 of 1,451
10Bannock County, ID51175.1$2.2M+4.9%#706 of 1,451
Washington County, IDNot scored00.0n/a+9.7%

Other business types in Washington County

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

Questions

How many car washes and detailers are in Washington County, ID?

Map listings as of September 2026 show no car washes and detailers in Washington County. The listings count car washes and detailers. No official count is published for car washes in Washington County: counts under 3 are left out.

How much do households in Washington County, ID spend on vehicle maintenance and repairs?

About $4.8M a year, or $1,141 per household. That is 19% above the U.S. average (an index of 119, where 100 is the U.S. average). The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers. It is estimated from the incomes of the 4,202 households in Washington County and national spending patterns by income.

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

Washington County has no car washes and detailers on map listings. At the national ratio of car washes and detailers to household spending, Washington County would have about 2, against none on map listings.

How fast is Washington County, ID growing?

Population estimates put Washington County at 11,583 people in 2025, up 9.7% since 2020, faster than the U.S. (+3.1%). It has 4,202 households. Median household income in Washington County is $54,000, 33% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 31.7%, 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. Washington County has no market score for car washes and detailers, having none on map listings.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Washington 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 Washington 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.