Auto · County · Illinois
Car washes and detailers in McHenry County, IL
Competitor counts, household spending and official business counts for car washes and detailers in McHenry County, IL, set against other counties and the U.S.
Groundwork market score · out of 100
Score 58 out of 100: Upper middle
Ranked #521 of 1,451 scored counties
#10 of 54 scored counties in Illinois
- Listings
- 60
- 12 chain locations (20%)
- Official establishments
- 25
- +25.0% since 2019
- Household spending a year
- $146.1M
- On vehicle maintenance and repairs · $1,242 a household
- Spending per listing
- $2.4M
- 3% below the U.S.
- Listings per 10k households
- 5.1
- 34% above the U.S.
- Population, 2025
- 317,751
- +2.5% since 2020
See the car washes and detailers around any address in McHenry 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 McHenry 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
At $1,242 per household (30% above the U.S. average), households in McHenry County spend about $146.1M a year on vehicle maintenance and repairs. That is about $2.4M of household spending for each location on map listings, 3% below the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
McHenry County has 60 car washes and detailers on map listings as of September 2026. Chain locations make up 20% of them, against 23% across the U.S. That comes to 5.1 for every 10,000 households, 34% above the U.S. rate of 3.8.
Official counts show 25 businesses with payroll classed as car washes in McHenry County in 2023, up 25.0% from 2019. That is one for every 4,704 households, against one for every 6,523 across the U.S. Since fiscal 2022, 3 SBA-backed loans worth $1.7M have gone to businesses classed as car washes in McHenry County.
Population estimates put the population change in McHenry County from 2020 to 2025 at +2.5%, slower than the U.S. (+3.1%). For car washes and detailers, McHenry County has a Groundwork market score of 58 (upper middle): #521 of 1,451 scored counties and #10 of 54 scored counties in Illinois.
How McHenry County compares
The same measures for Illinois 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 | McHenry County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 5.1 | 3.6 | 3.8 |
| Spending per listing | $2.4M | $2.7M | $2.5M |
| Households per official establishment | 4,704 | 6,432 | 6,523 |
| Official establishment growth, 2019–2023 | +25.0% | +8.6% | +16.7% |
| Population growth, 2020–2025 | +2.5% | −0.6% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,242 | $975 | $958 |
| Median household income | $104,802 | $83,390 | $80,734 |
| Groundwork market score | 58 | 46 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 20 → 25+25.0% over the period
- Employees, 2023
- 131
- Annual payroll, 2023
- $3.7M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 6012 chain locations
- Listings at the U.S. rate for this spending
- 58The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 3
- Amount
- $1.7M
SBA-backed loans to businesses classed as car washes in McHenry 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 McHenry County
- Population, 2025 estimate
- 317,751+2.5% since 2020
- Households
- 117,594
- Median age
- 41.3
- Homes lived in by their owners
- 83%
- Vehicles per household
- 2.0
- Land area
- 603 sq. mi.
- People per square mile
- 518
- Median household income
- $104,802+20.7% vs. 2015–2019, before inflation
- Average household income
- $130,520
- Median home value
- $308,100
- Jobs located here
- 93,473
- Daytime population
- 243,217Residents who don’t work, plus everyone whose job is here
Looking at a specific site in McHenry 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 McHenry 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 Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for car washes and detailers, numbered among those based in Illinois, with McHenry County marked.
Top counties in Illinois
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Will County, IL | 79 | 94 | 3.8 | $3.3M | +2.2% | #66 of 1,451 |
| 2Kendall County, IL | 79 | 19 | 4.2 | $3.1M | +9.9% | #68 of 1,451 |
| 3Boone County, IL | 77 | 6 | 3.1 | $3.9M | +0.4% | #91 of 1,451 |
| 4Lake County, IL | 74 | 72 | 2.8 | $4.3M | +0.8% | #134 of 1,451 |
| 5Monroe County, IL | 63 | 5 | 3.6 | $3.5M | −0.3% | #381 of 1,451 |
| 6DuPage County, IL | 63 | 127 | 3.6 | $3.1M | +0.3% | #385 of 1,451 |
| 7Winnebago County, IL | 62 | 40 | 3.4 | $2.8M | −0.4% | #410 of 1,451 |
| 8Macoupin County, IL | 61 | 7 | 4.0 | $2.9M | −2.6% | #436 of 1,451 |
| 9Woodford County, IL | 60 | 6 | 4.1 | $3M | −0.8% | #456 of 1,451 |
| 10McHenry County, IL | 58 | 60 | 5.1 | $2.4M | +2.5% | #521 of 1,451 |
Other business types in McHenry 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 care53
- Auto repair shops52
- Collision repair and body shops55
- Car washes and detailing58
- Tire shops83
- Oil change and quick lube57
- Gas stations80
- Insurance agencies35
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 McHenry County, IL?
Map listings as of September 2026 show 60 car washes and detailers in McHenry County. 12 of them (20%) are chain locations. The listings count car washes and detailers. Official counts show 25 businesses with payroll classed as car washes in 2023, up 25.0% from 2019.
How much do households in McHenry County, IL spend on vehicle maintenance and repairs?
About $146.1M a year, or $1,242 per household. That is 30% above the U.S. average (an index of 130, where 100 is the U.S. average). Spread across the 60 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 117,594 households in McHenry County and national spending patterns by income.
How does McHenry County, IL compare with the U.S. for car washes and detailers?
McHenry County has 5.1 car washes and detailers per 10,000 households, 34% above the U.S. rate of 3.8. Spending per location is $2.4M, 3% below the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, McHenry County would have about 58, against 60 on map listings. There is one business with payroll in the industry for every 4,704 households, against one for every 6,523 across the U.S. The official count rose 25.0% from 2019 to 2023, against +16.7% for the U.S.
How fast is McHenry County, IL growing?
Population estimates put McHenry County at 317,751 people in 2025, up 2.5% since 2020, slower than the U.S. (+3.1%). It has 117,594 households. The median household income in McHenry County is $104,802 a year, 30% above the U.S. median of $80,734. That rose 20.7% 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. McHenry County scores 58 for car washes and detailers (upper middle), #521 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in McHenry 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 McHenry County
Screening a site or an acquisition in McHenry 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 McHenry 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.