Auto · County · Idaho
Car washes and detailers in Bonneville County, ID
How Bonneville 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 · out of 100
Score 50 out of 100: Upper middle
Ranked #736 of 1,451 scored counties
#12 of 13 scored counties in Idaho
- Listings
- 34
- 5 chain locations (15%)
- Official establishments
- 9
- Businesses with payroll, 2023
- Household spending a year
- $53.4M
- On vehicle maintenance and repairs · $1,209 a household
- Spending per listing
- $1.6M
- 38% below the U.S.
- Listings per 10k households
- 7.7
- Twice the U.S.
- Population, 2025
- 135,771
- +8.9% since 2020
See the car washes and detailers around any address in Bonneville 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 Bonneville County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
Household spending on vehicle maintenance and repairs in Bonneville County comes to about $53.4M a year: $1,209 per household, 26% above the U.S. average. That works out to $1.6M per location, 38% below the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
There are 34 car washes and detailers on map listings in Bonneville County as of September 2026. Chain locations make up 15% of them, against 23% across the U.S. Per 10,000 households, that is 7.7, twice the U.S. rate of 3.8.
Official counts show 9 businesses with payroll classed as car washes in Bonneville County in 2023. That is one for every 4,909 households, against one for every 6,523 across the U.S. Since fiscal 2022, 2 SBA-backed loans worth $5M have gone to businesses classed as car washes in Bonneville County.
Population estimates put the population change in Bonneville County from 2020 to 2025 at +8.9%, faster than the U.S. (+3.1%). Bonneville County scores 50 (upper middle) on the Groundwork market score for car washes and detailers, ranking #736 of 1,451 scored counties and #12 of 13 scored counties in Idaho.
How Bonneville 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.
| Measure | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| Listings per 10k households | 7.7 | 4.5 | 3.8 |
| Spending per listing | $1.6M | $2.7M | $2.5M |
| Households per official establishment | 4,909 | 5,130 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +24.1% | +16.7% |
| Population growth, 2020–2025 | +8.9% | +9.8% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,209 | $1,196 | $958 |
| Median household income | $79,068 | $77,800 | $80,734 |
| Groundwork market score | 50 | 64 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 4 → 9
- Employees, 2023
- 62
- Annual payroll, 2023
- $1.8M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 345 chain locations
- Listings at the U.S. rate for this spending
- 21The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 2
- Amount
- $5M
SBA-backed loans to businesses classed as car washes in Bonneville 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 Bonneville County
- Population, 2025 estimate
- 135,771+8.9% since 2020
- Households
- 44,184
- Median age
- 34.4
- Homes lived in by their owners
- 72%
- Vehicles per household
- 2.1
- Land area
- 1,866 sq. mi.
- People per square mile
- 69
- Median household income
- $79,068+30.4% vs. 2015–2019, before inflation
- Average household income
- $102,874
- Median home value
- $368,800
- Jobs located here
- 70,908
- Daytime population
- 141,771Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Bonneville 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 Bonneville County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardCar 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 Bonneville County marked.
Top counties in Idaho
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Bingham County, ID | 93 | 5 | 3.1 | $4.3M | +6.4% | #4 of 1,451 |
| 2Bonner County, ID | 79 | 8 | 3.9 | $2.9M | +14.8% | #69 of 1,451 |
| 3Canyon County, ID | 75 | 34 | 4.0 | $3.2M | +18.1% | #126 of 1,451 |
| 4Nez Perce County, ID | 70 | 6 | 3.5 | $3.4M | +1.8% | #233 of 1,451 |
| 5Twin Falls County, ID | 70 | 15 | 4.3 | $2.6M | +7.9% | #243 of 1,451 |
| 6Ada County, ID | 61 | 98 | 4.8 | $2.4M | +9.6% | #445 of 1,451 |
| 7Kootenai County, ID | 59 | 34 | 4.8 | $2.5M | +11.0% | #491 of 1,451 |
| 8Jefferson County, ID | 57 | 7 | 6.9 | $2.1M | +13.6% | #550 of 1,451 |
| 9Cassia County, ID | 54 | 7 | 8.2 | $1.5M | +6.6% | #637 of 1,451 |
| 10Bannock County, ID | 51 | 17 | 5.1 | $2.2M | +4.9% | #706 of 1,451 |
| 12Bonneville County, ID | 50 | 34 | 7.7 | $1.6M | +8.9% | #736 of 1,451 |
Other business types in Bonneville County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
- Auto repair and car care47
- Auto repair shops49
- Collision repair and body shops47
- Car washes and detailing50
- Tire shops67
- Oil change and quick lube
- Gas stations63
- Insurance agencies38
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many car washes and detailers are in Bonneville County, ID?
As of September 2026, map listings count 34 car washes and detailers in Bonneville County. 5 of them (15%) are chain locations. The listings count car washes and detailers. Official counts show 9 businesses with payroll classed as car washes in 2023.
How much do households in Bonneville County, ID spend on vehicle maintenance and repairs?
About $53.4M a year, or $1,209 per household. That is 26% above the U.S. average (an index of 126, where 100 is the U.S. average). Spread across the 34 car washes and detailers on map listings, it comes to $1.6M 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 44,184 households in Bonneville County and national spending patterns by income.
How does Bonneville County, ID compare with the U.S. for car washes and detailers?
Bonneville County has 7.7 car washes and detailers per 10,000 households, twice the U.S. rate of 3.8. Spending per location is $1.6M, 38% below the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, Bonneville County would have about 21, against 34 on map listings. There is one business with payroll in the industry for every 4,909 households, against one for every 6,523 across the U.S.
How fast is Bonneville County, ID growing?
Population estimates put Bonneville County at 135,771 people in 2025, up 8.9% since 2020, faster than the U.S. (+3.1%). It has 44,184 households. The median household income in Bonneville County is $79,068 a year, 2% below the U.S. median of $80,734. That rose 30.4% 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. Bonneville County scores 50 for car washes and detailers (upper middle), #736 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Bonneville 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 Bonneville County
Screening a site or an acquisition in Bonneville 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 Bonneville 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.