Auto · County · New Hampshire
Car washes and detailers in Belknap County, NH
How Belknap County, NH 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 30 out of 100: Lower middle
Ranked #1,212 of 1,451 scored counties
#10 of 10 scored counties in New Hampshire
- Listings
- 16
- 2 chain locations (13%)
- Official establishments
- 6
- Businesses with payroll, 2023
- Household spending a year
- $25.5M
- On vehicle maintenance and repairs · $967 a household
- Spending per listing
- $1.6M
- 37% below the U.S.
- Listings per 10k households
- 6.1
- 61% above the U.S.
- Population, 2025
- 65,147
- +2.1% since 2020
See the car washes and detailers around any address in Belknap 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 Belknap 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, Belknap County has a Groundwork market score of 30 (lower middle): #1,212 of 1,451 scored counties and #10 of 10 scored counties in New Hampshire. That puts it in the bottom quarter of counties.
At $967 per household (in line with the U.S. average), households in Belknap County spend about $25.5M a year on vehicle maintenance and repairs. Spread across 16 car washes and detailers, that is $1.6M per location, 37% below the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
Belknap County has 16 car washes and detailers on map listings as of September 2026. 2 of them (13%) are chain locations, against 23% across the U.S. Per 10,000 households, that is 6.1, 61% above the U.S. rate of 3.8.
Official counts show 6 businesses with payroll classed as car washes in Belknap County in 2023. That is one for every 4,390 households, against one for every 6,523 across the U.S. Population estimates show Belknap County grew 2.1% from 2020 to 2025, slower than the U.S. (+3.1%).
How Belknap County compares
The same measures for New Hampshire 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 | Belknap County | New Hampshire | U.S. |
|---|---|---|---|
| Listings per 10k households | 6.1 | 4.5 | 3.8 |
| Spending per listing | $1.6M | $2.2M | $2.5M |
| Households per official establishment | 4,390 | 6,389 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +26.1% | +16.7% |
| Population growth, 2020–2025 | +2.1% | +2.7% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $967 | $974 | $958 |
| Median household income | $92,783 | $99,031 | $80,734 |
| Groundwork market score | 30 | 37 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 5 → 6
- Employees, 2023
- 26
- Annual payroll, 2023
- $1.1M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 162 chain locations
- Listings at the U.S. rate for this spending
- 10The 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 Belknap 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 Belknap County
- Population, 2025 estimate
- 65,147+2.1% since 2020
- Households
- 26,337
- Median age
- 48.0
- Homes lived in by their owners
- 80%
- Vehicles per household
- 1.9
- Land area
- 402 sq. mi.
- People per square mile
- 161
- Median household income
- $92,783+33.6% vs. 2015–2019, before inflation
- Average household income
- $116,878
- Median home value
- $374,900
- Jobs located here
- 26,593
- Daytime population
- 60,550Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Belknap 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 Belknap 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 New Hampshire
Every New Hampshire market ranked →The highest-scoring counties in New Hampshire for car washes and detailers, numbered among those based in New Hampshire, with Belknap County marked.
Top counties in New Hampshire
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Hillsborough County, NH | 59 | 69 | 4.1 | $2.4M | +2.5% | #496 of 1,451 |
| 2Rockingham County, NH | 53 | 59 | 4.6 | $2.3M | +3.0% | #655 of 1,451 |
| 3Merrimack County, NH | 53 | 27 | 4.4 | $2.3M | +2.6% | #656 of 1,451 |
| 4Grafton County, NH | 47 | 14 | 3.8 | $2.4M | +2.2% | #800 of 1,451 |
| 5Sullivan County, NH | 44 | 7 | 4.2 | $2.2M | +2.1% | #880 of 1,451 |
| 6Cheshire County, NH | 41 | 16 | 5.2 | $1.8M | +2.3% | #963 of 1,451 |
| 7Carroll County, NH | 37 | 11 | 5.0 | $1.9M | +5.0% | #1,064 of 1,451 |
| 8Strafford County, NH | 35 | 27 | 5.2 | $1.8M | +3.0% | #1,100 of 1,451 |
| 9Coos County, NH | 33 | 5 | 3.6 | $2.2M | +0.4% | #1,138 of 1,451 |
| 10Belknap County, NH | 30 | 16 | 6.1 | $1.6M | +2.1% | #1,212 of 1,451 |
Other business types in Belknap 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 care26
- Auto repair shops25
- Collision repair and body shops58
- Car washes and detailing30
- Tire shops61
- Oil change and quick lube
- Gas stations48
- Insurance agencies65
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 Belknap County, NH?
Map listings as of September 2026 show 16 car washes and detailers in Belknap County. 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 Belknap County, NH spend on vehicle maintenance and repairs?
About $25.5M a year, or $967 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 $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 26,337 households in Belknap County and national spending patterns by income.
How does Belknap County, NH compare with the U.S. for car washes and detailers?
Belknap County has 6.1 car washes and detailers per 10,000 households, 61% above the U.S. rate of 3.8. Spending per location is $1.6M, 37% below the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, Belknap County would have about 10, against 16 on map listings. There is one business with payroll in the industry for every 4,390 households, against one for every 6,523 across the U.S.
How fast is Belknap County, NH growing?
Population estimates put Belknap County at 65,147 people in 2025, up 2.1% since 2020, slower than the U.S. (+3.1%). It has 26,337 households. The median household income in Belknap County is $92,783 a year, 15% above the U.S. median of $80,734. That rose 33.6% 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. Belknap County scores 30 for car washes and detailers (lower middle), #1,212 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Belknap 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 Belknap County
Screening a site or an acquisition in Belknap 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 Belknap 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.