Auto · County · Idaho
Car washes and detailers in Twin Falls County, ID
The car washes and detailers in Twin Falls County, ID, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 70 out of 100: Upper middle
Ranked #243 of 1,451 scored counties
#5 of 13 scored counties in Idaho
- Listings
- 15
- 2 chain locations (13%)
- Official establishments
- 6
- Businesses with payroll, 2023
- Household spending a year
- $39.5M
- On vehicle maintenance and repairs · $1,135 a household
- Spending per listing
- $2.6M
- 4% above the U.S.
- Listings per 10k households
- 4.3
- 13% above the U.S.
- Population, 2025
- 97,539
- +7.9% since 2020
See the car washes and detailers around any address in Twin Falls 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 Twin Falls 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
As of September 2026, map listings count 15 car washes and detailers in Twin Falls County. 2 of them (13%) are chain locations, against 23% across the U.S. Per 10,000 households, that is 4.3, 13% above the U.S. rate of 3.8.
Households in Twin Falls County spend about $39.5M a year on vehicle maintenance and repairs, or $1,135 per household, 19% above the U.S. average. That works out to $2.6M per location, 4% 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.
The official count of businesses with payroll classed as car washes in Twin Falls County was 6 in 2023. That is one for every 5,792 households, against one for every 6,523 across the U.S.
Between 2020 and 2025, the population of Twin Falls County grew 7.9%, faster than the U.S. (+3.1%). For car washes and detailers, Twin Falls County has a Groundwork market score of 70 (upper middle): #243 of 1,451 scored counties and #5 of 13 scored counties in Idaho. That puts it in the top quarter of counties.
How Twin Falls 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 | Twin Falls County | Idaho | U.S. |
|---|---|---|---|
| Listings per 10k households | 4.3 | 4.5 | 3.8 |
| Spending per listing | $2.6M | $2.7M | $2.5M |
| Households per official establishment | 5,792 | 5,130 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +24.1% | +16.7% |
| Population growth, 2020–2025 | +7.9% | +9.8% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,135 | $1,196 | $958 |
| Median household income | $67,409 | $77,800 | $80,734 |
| Groundwork market score | 70 | 64 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 7 → 6
- Employees, 2023
- 49
- Annual payroll, 2023
- $1.2M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 152 chain locations
- Listings at the U.S. rate for this spending
- 16The 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 Twin Falls 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 Twin Falls County
- Population, 2025 estimate
- 97,539+7.9% since 2020
- Households
- 34,754
- Median age
- 36.7
- Homes lived in by their owners
- 70%
- Vehicles per household
- 2.1
- Land area
- 1,922 sq. mi.
- People per square mile
- 49
- Median household income
- $67,409+27.4% vs. 2015–2019, before inflation
- Average household income
- $90,415
- Median home value
- $337,900
- Jobs located here
- 40,755
- Daytime population
- 93,037Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Twin Falls 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 Twin Falls 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 Twin Falls 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 |
Other business types in Twin Falls 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 care43
- Auto repair shops46
- Collision repair and body shops53
- Car washes and detailing70
- Tire shops62
- Oil change and quick lube41
- Gas stations59
- Insurance agencies44
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 Twin Falls County, ID?
Twin Falls County has 15 car washes and detailers on map listings as of September 2026. 2 of them (13%) are chain locations. The listings count car washes and detailers. Official counts show 6 businesses with payroll classed as car washes in 2023.
How much do households in Twin Falls County, ID spend on vehicle maintenance and repairs?
About $39.5M a year, or $1,135 per household. That is 19% above the U.S. average (an index of 119, where 100 is the U.S. average). Spread across the 15 car washes and detailers on map listings, it comes to $2.6M 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 34,754 households in Twin Falls County and national spending patterns by income.
How does Twin Falls County, ID compare with the U.S. for car washes and detailers?
Twin Falls County has 4.3 car washes and detailers per 10,000 households, 13% above the U.S. rate of 3.8. Spending per location is $2.6M, 4% above the U.S. figure of $2.5M. At the national ratio of car washes and detailers to household spending, Twin Falls County would have about 16, against 15 on map listings. There is one business with payroll in the industry for every 5,792 households, against one for every 6,523 across the U.S.
How fast is Twin Falls County, ID growing?
Population estimates put Twin Falls County at 97,539 people in 2025, up 7.9% since 2020, faster than the U.S. (+3.1%). It has 34,754 households. Median household income in Twin Falls County is $67,409, 17% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 27.4%, 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. Twin Falls County scores 70 for car washes and detailers (upper middle), #243 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Twin Falls 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 Twin Falls County
Screening a site or an acquisition in Twin Falls 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 Twin Falls 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.