Auto · County · Connecticut
Car washes and detailers in the Northwest Hills Planning Region, CT
How the Northwest Hills Planning Region, CT 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 63 out of 100: Upper middle
Ranked #388 of 1,451 scored counties
#3 of 9 scored counties in Connecticut
- Listings
- 16
- 5 chain locations (31%)
- Official establishments
- 7
- Businesses with payroll, 2023
- Household spending a year
- $46.2M
- On vehicle maintenance and repairs · $966 a household
- Spending per listing
- $2.9M
- 15% above the U.S.
- Listings per 10k households
- 3.3
- 13% below the U.S.
- Population, 2025
- 114,690
- +2.2% since 2020
See the car washes and detailers around any address in the Northwest Hills Planning Region
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 Northwest Hills Planning Region. 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 16 car washes and detailers in the Northwest Hills Planning Region. 5 of them (31%) are chain locations, against 23% across the U.S. Per 10,000 households, that is 3.3, 13% below the U.S. rate of 3.8.
At $966 per household (in line with the U.S. average), households in the Northwest Hills Planning Region spend about $46.2M a year on vehicle maintenance and repairs. That is about $2.9M of household spending for each location on map listings, 15% 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 the Northwest Hills Planning Region was 7 in 2023. That is one for every 6,835 households, against one for every 6,523 across the U.S.
Population estimates show the Northwest Hills Planning Region grew 2.2% from 2020 to 2025, slower than the U.S. (+3.1%). The Northwest Hills Planning Region scores 63 (upper middle) on the Groundwork market score for car washes and detailers, ranking #388 of 1,451 scored counties and #3 of 9 scored counties in Connecticut.
How the Northwest Hills Planning Region compares
The same measures for Connecticut 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 | Northwest Hills Planning Region | Connecticut | U.S. |
|---|---|---|---|
| Listings per 10k households | 3.3 | 4.0 | 3.8 |
| Spending per listing | $2.9M | $2.3M | $2.5M |
| Households per official establishment | 6,835 | 6,578 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +10.1% | +16.7% |
| Population growth, 2020–2025 | +2.2% | +3.0% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $966 | $902 | $958 |
| Median household income | $93,551 | $95,781 | $80,734 |
| Groundwork market score | 63 | 42 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 7
- Employees, 2023
- 28
- Annual payroll, 2023
- $878K
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 165 chain locations
- Listings at the U.S. rate for this spending
- 18The 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 Northwest Hills Planning Region, 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 Northwest Hills Planning Region
- Population, 2025 estimate
- 114,690+2.2% since 2020
- Households
- 47,845
- Median age
- 47.0
- Homes lived in by their owners
- 76%
- Vehicles per household
- 1.9
- Land area
- 787 sq. mi.
- People per square mile
- 144
- Median household income
- $93,551
- Average household income
- $131,679
- Median home value
- $335,600
- Jobs located here
- 36,871
- Daytime population
- 93,666Residents who don’t work, plus everyone whose job is here
Looking at a specific site in the Northwest Hills Planning Region?
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 the Northwest Hills Planning Region. 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 Connecticut
Every Connecticut market ranked →The highest-scoring counties in Connecticut for car washes and detailers, numbered among those based in Connecticut, with the Northwest Hills Planning Region marked.
Top counties in Connecticut
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Northeastern Connecticut Planning Region, CT | 66 | 14 | 3.6 | $2.9M | +3.0% | #319 of 1,451 |
| 2Southeastern Connecticut Planning Region, CT | 64 | 37 | 3.2 | $2.8M | +2.0% | #366 of 1,451 |
| 3Northwest Hills Planning Region, CT | 63 | 16 | 3.3 | $2.9M | +2.2% | #388 of 1,451 |
| 4Lower Connecticut River Valley Planning Region, CT | 62 | 29 | 3.9 | $2.5M | +2.3% | #417 of 1,451 |
| 5Greater Bridgeport Planning Region, CT | 61 | 38 | 3.2 | $2.8M | +4.1% | #437 of 1,451 |
| 6Western Connecticut Planning Region, CT | 56 | 88 | 3.7 | $2.7M | +3.5% | #565 of 1,451 |
| 7Naugatuck Valley Planning Region, CT | 53 | 73 | 4.1 | $2.2M | +3.2% | #659 of 1,451 |
| 8Capitol Planning Region, CT | 43 | 185 | 4.7 | $1.8M | +3.1% | #917 of 1,451 |
| 9South Central Connecticut Planning Region, CT | 39 | 92 | 4.0 | $2.1M | +2.5% | #1,006 of 1,451 |
Other business types in the Northwest Hills Planning Region
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 care63
- Auto repair shops61
- Collision repair and body shops57
- Car washes and detailing63
- Tire shops79
- Oil change and quick lube
- Gas stations50
- Insurance agencies57
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 Northwest Hills Planning Region, CT?
The Northwest Hills Planning Region has 16 car washes and detailers on map listings as of September 2026. 5 of them (31%) are chain locations. The listings count car washes and detailers. Official counts show 7 businesses with payroll classed as car washes in 2023.
How much do households in the Northwest Hills Planning Region, CT spend on vehicle maintenance and repairs?
About $46.2M a year, or $966 per household. That is in line with the U.S. average (an index of 101, where 100 is the U.S. average). Spread across the 16 car washes and detailers on map listings, it comes to $2.9M 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 47,845 households in the Northwest Hills Planning Region and national spending patterns by income.
How does the Northwest Hills Planning Region, CT compare with the U.S. for car washes and detailers?
The Northwest Hills Planning Region has 3.3 car washes and detailers per 10,000 households, 13% below the U.S. rate of 3.8. Spending per location is $2.9M, 15% above the U.S. figure of $2.5M. At the national ratio of car washes and detailers to household spending, the Northwest Hills Planning Region would have about 18, against 16 on map listings. There is one business with payroll in the industry for every 6,835 households, against one for every 6,523 across the U.S.
How fast is the Northwest Hills Planning Region, CT growing?
Population estimates put the Northwest Hills Planning Region at 114,690 people in 2025, up 2.2% since 2020, slower than the U.S. (+3.1%). It has 47,845 households. Median household income in the Northwest Hills Planning Region is $93,551, 16% above the U.S. median of $80,734.
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 Northwest Hills Planning Region scores 63 for car washes and detailers (upper middle), #388 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in the Northwest Hills Planning Region. 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 Northwest Hills Planning Region
Screening a site or an acquisition in the Northwest Hills Planning Region?
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 Northwest Hills Planning Region. 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.