Auto · County · Hawaii
Car washes and detailers in Hawaii County, HI
The car washes and detailers in Hawaii County, HI, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 86 out of 100: High
Ranked #30 of 1,451 scored counties
#1 of 4 scored counties in Hawaii
- Listings
- 24
- 1 chain location (4%)
- Official establishments
- 6
- Businesses with payroll, 2023
- Household spending a year
- $83.6M
- On vehicle maintenance and repairs · $1,129 a household
- Spending per listing
- $3.5M
- 38% above the U.S.
- Listings per 10k households
- 3.2
- 16% below the U.S.
- Population, 2025
- 210,043
- +4.6% since 2020
See the car washes and detailers around any address in Hawaii 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 Hawaii 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
For car washes and detailers, Hawaii County has a Groundwork market score of 86 (high): #30 of 1,451 scored counties and #1 of 4 scored counties in Hawaii. That puts it in the top 10% of counties for car washes and detailers.
Households in Hawaii County spend about $83.6M a year on vehicle maintenance and repairs, or $1,129 per household, 18% above the U.S. average. That works out to $3.5M per location, 38% above the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
Hawaii County has 24 car washes and detailers on map listings as of September 2026. One of them (4%) is a chain location, against 23% across the U.S. Per 10,000 households, that is 3.2, 16% below the U.S. rate of 3.8.
The official count of businesses with payroll classed as car washes in Hawaii County was 6 in 2023. That is one for every 12,345 households, against one for every 6,523 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $50K has gone to businesses classed as car washes in Hawaii County. Between 2020 and 2025, the population of Hawaii County grew 4.6%, faster than the U.S. (+3.1%).
How Hawaii County 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 | Hawaii County | Hawaii | U.S. |
|---|---|---|---|
| Listings per 10k households | 3.2 | 3.2 | 3.8 |
| Spending per listing | $3.5M | $3.4M | $2.5M |
| Households per official establishment | 12,345 | 8,208 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +42.9% | +16.7% |
| Population growth, 2020–2025 | +4.6% | −1.3% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,129 | $1,083 | $958 |
| Median household income | $78,639 | $100,389 | $80,734 |
| Groundwork market score | 86 | 69 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 4 → 6
- Employees, 2023
- 15
- Annual payroll, 2023
- $452K
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 241 chain location
- Listings at the U.S. rate for this spending
- 33The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $50K
SBA-backed loans to businesses classed as car washes in Hawaii 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 Hawaii County
- Population, 2025 estimate
- 210,043+4.6% since 2020
- Households
- 74,072
- Median age
- 44.6
- Homes lived in by their owners
- 74%
- Vehicles per household
- 2.0
- Land area
- 4,028 sq. mi.
- People per square mile
- 51
- Median household income
- $78,639+26.0% vs. 2015–2019, before inflation
- Average household income
- $106,737
- Median home value
- $519,300
- Jobs located here
- 69,607
- Daytime population
- 224,838Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Hawaii 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 Hawaii 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 Hawaii
Every Hawaii market ranked →The highest-scoring counties in Hawaii for car washes and detailers, numbered among those based in Hawaii, with Hawaii County marked.
Top counties in Hawaii
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Hawaii County, HI | 86 | 24 | 3.2 | $3.5M | +4.6% | #30 of 1,451 |
| 2Honolulu County, HI | 65 | 97 | 2.9 | $3.6M | −2.3% | #334 of 1,451 |
| 3Kauai County, HI | 64 | 9 | 3.8 | $3.4M | +0.3% | #356 of 1,451 |
| 4Maui County, HI | 63 | 28 | 5.0 | $2.4M | −2.5% | #402 of 1,451 |
Other business types in Hawaii 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 care80
- Auto repair shops76
- Collision repair and body shops82
- Car washes and detailing86
- Tire shops85
- Oil change and quick lube
- Gas stations74
- Insurance agencies81
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 Hawaii County, HI?
Map listings as of September 2026 show 24 car washes and detailers in Hawaii County. One of them (4%) is a chain location. 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 Hawaii County, HI spend on vehicle maintenance and repairs?
About $83.6M a year, or $1,129 per household. That is 18% above the U.S. average (an index of 118, where 100 is the U.S. average). Spread across the 24 car washes and detailers on map listings, it comes to $3.5M 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 74,072 households in Hawaii County and national spending patterns by income.
How does Hawaii County, HI compare with the U.S. for car washes and detailers?
Hawaii County has 3.2 car washes and detailers per 10,000 households, 16% below the U.S. rate of 3.8. Spending per location is $3.5M, 38% above the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, Hawaii County would have about 33, against 24 on map listings. There is one business with payroll in the industry for every 12,345 households, against one for every 6,523 across the U.S.
How fast is Hawaii County, HI growing?
Population estimates put Hawaii County at 210,043 people in 2025, up 4.6% since 2020, faster than the U.S. (+3.1%). It has 74,072 households. The median household income in Hawaii County is $78,639 a year, 3% below the U.S. median of $80,734. That rose 26.0% 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. Hawaii County scores 86 for car washes and detailers (high), #30 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Hawaii 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 Hawaii County
Screening a site or an acquisition in Hawaii 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 Hawaii 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.