Auto · Metro area · Hawaii
Car washes and detailers in the Kahului-Wailuku, HI metro area
How the Kahului-Wailuku, HI metro area compares with other metro areas and the U.S. for car washes and detailers: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 62 out of 100: Upper middle
Ranked #111 of 387 scored metro areas
#2 of 2 scored metro areas based in Hawaii
- Listings
- 28
- 0 chain locations (0%)
- Official establishments
- 5
- Businesses with payroll, 2023
- Household spending a year
- $67.6M
- On vehicle maintenance and repairs · $1,209 a household
- Spending per listing
- $2.4M
- 4% below the U.S.
- Listings per 10k households
- 5.0
- 32% above the U.S.
- Population, 2025
- 160,674
- −2.5% since 2020
See the car washes and detailers around any address in the Kahului-Wailuku metro area
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 the Kahului-Wailuku metro area. 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 the Kahului-Wailuku metro area comes to about $67.6M a year: $1,209 per household, 26% above the U.S. average. That works out to $2.4M per location, 4% below the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
The Kahului-Wailuku metro area has 28 car washes and detailers on map listings as of September 2026. None of them are chain locations, against 23% across the U.S. Per 10,000 households, that is 5.0, 32% above the U.S. rate of 3.8.
The official count of businesses with payroll classed as car washes in the Kahului-Wailuku metro area was 5 in 2023. That is one for every 11,176 households, against one for every 6,523 across the U.S.
Population estimates put the population change in the Kahului-Wailuku metro area from 2020 to 2025 at −2.5%, against +3.1% for the U.S. For car washes and detailers, the Kahului-Wailuku metro area has a Groundwork market score of 62 (upper middle): #111 of 387 scored metro areas and #2 of 2 scored metro areas based in Hawaii.
How the Kahului-Wailuku metro area compares
The same measures for Hawaii 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 | Kahului-Wailuku metro area | Hawaii | U.S. |
|---|---|---|---|
| Listings per 10k households | 5.0 | 3.2 | 3.8 |
| Spending per listing | $2.4M | $3.4M | $2.5M |
| Households per official establishment | 11,176 | 8,208 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +42.9% | +16.7% |
| Population growth, 2020–2025 | −2.5% | −1.3% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,209 | $1,083 | $958 |
| Median household income | $97,109 | $100,389 | $80,734 |
| Groundwork market score | 62 | 69 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 5
- Employees, 2023
- 19
- Annual payroll, 2023
- $435K
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 280 chain locations
- Listings at the U.S. rate for this spending
- 27The 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 the Kahului-Wailuku metro area, 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 the Kahului-Wailuku metro area
- Population, 2025 estimate
- 160,674−2.5% since 2020
- Households
- 55,881
- Median age
- 43.5
- Homes lived in by their owners
- 66%
- Vehicles per household
- 2.1
- Land area
- 1,174 sq. mi.
- People per square mile
- 140
- Median household income
- $97,109+20.0% vs. 2015–2019, before inflation
- Average household income
- $131,604
- Median home value
- $904,700
- Jobs located here
- 75,580
- Daytime population
- 133,418Residents who don’t work, plus everyone whose job is here
Looking at a specific site in the Kahului-Wailuku metro area?
These figures cover the whole metro area. 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 the Kahului-Wailuku metro area. 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 Hawaii
Every Hawaii market ranked →The highest-scoring metro areas in Hawaii for car washes and detailers, numbered among those based in Hawaii, with the Kahului-Wailuku metro area marked.
Top metro areas in Hawaii
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Urban Honolulu, HI | 64 | 97 | 2.9 | $3.6M | −2.3% | #84 of 387 |
| 2Kahului-Wailuku, HI | 62 | 28 | 5.0 | $2.4M | −2.5% | #111 of 387 |
Other business types in the Kahului-Wailuku metro area
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 care70
- Auto repair shops61
- Collision repair and body shops57
- Car washes and detailing62
- Tire shops79
- Oil change and quick lube
- Gas stations61
- Insurance agencies67
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 the Kahului-Wailuku, HI metro area?
Map listings as of September 2026 show 28 car washes and detailers in the Kahului-Wailuku metro area. None of them are chain locations. The listings count car washes and detailers. Official counts show 5 businesses with payroll classed as car washes in 2023.
How much do households in the Kahului-Wailuku, HI metro area spend on vehicle maintenance and repairs?
About $67.6M 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 28 car washes and detailers on map listings, it comes to $2.4M 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 55,881 households in the Kahului-Wailuku metro area and national spending patterns by income.
How does the Kahului-Wailuku, HI metro area compare with the U.S. for car washes and detailers?
The Kahului-Wailuku metro area has 5.0 car washes and detailers per 10,000 households, 32% above the U.S. rate of 3.8. Spending per location is $2.4M, 4% below the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, the Kahului-Wailuku metro area would have about 27, against 28 on map listings. There is one business with payroll in the industry for every 11,176 households, against one for every 6,523 across the U.S.
How fast is the Kahului-Wailuku, HI metro area growing?
Population estimates put the Kahului-Wailuku metro area at 160,674 people in 2025, down 2.5% since 2020, against +3.1% for the U.S. It has 55,881 households. The median household income in the Kahului-Wailuku metro area is $97,109 a year, 20% above the U.S. median of $80,734. That rose 20.0% 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. The Kahului-Wailuku metro area scores 62 for car washes and detailers (upper middle), #111 of 387 scored metro areas.
How can I see the market around a specific site?
Run a Groundwork site report on an address in the Kahului-Wailuku metro area. 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 the Kahului-Wailuku metro area
Screening a site or an acquisition in the Kahului-Wailuku metro area?
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 the Kahului-Wailuku metro area. 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.