Auto · County · Illinois
Car washes and detailers in Kendall County, IL
The car washes and detailers in Kendall County, IL, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 79 out of 100: High
Ranked #68 of 1,451 scored counties
#2 of 54 scored counties in Illinois
- Listings
- 19
- 5 chain locations (26%)
- Official establishments
- 8
- Businesses with payroll, 2023
- Household spending a year
- $58.6M
- On vehicle maintenance and repairs · $1,292 a household
- Spending per listing
- $3.1M
- 23% above the U.S.
- Listings per 10k households
- 4.2
- 11% above the U.S.
- Population, 2025
- 145,470
- +9.9% since 2020
See the car washes and detailers around any address in Kendall 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 Kendall 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, Kendall County has a Groundwork market score of 79 (high): #68 of 1,451 scored counties and #2 of 54 scored counties in Illinois. That puts it in the top 10% of counties for car washes and detailers.
As of September 2026, map listings count 19 car washes and detailers in Kendall County. Chain locations make up 26% of them, against 23% across the U.S. That is 4.2 per 10,000 households, 11% above the U.S. rate of 3.8.
Household spending on vehicle maintenance and repairs in Kendall County comes to about $58.6M a year: $1,292 per household, 35% above the U.S. average. That is about $3.1M of household spending for each location on map listings, 23% 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.
Official counts show 8 businesses with payroll classed as car washes in Kendall County in 2023. That is one for every 5,672 households, against one for every 6,523 across the U.S. Population estimates put the population change in Kendall County from 2020 to 2025 at +9.9%, faster than the U.S. (+3.1%).
How Kendall 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 | Kendall County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 4.2 | 3.6 | 3.8 |
| Spending per listing | $3.1M | $2.7M | $2.5M |
| Households per official establishment | 5,672 | 6,432 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +8.6% | +16.7% |
| Population growth, 2020–2025 | +9.9% | −0.6% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,292 | $975 | $958 |
| Median household income | $111,601 | $83,390 | $80,734 |
| Groundwork market score | 79 | 46 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 7 → 8
- Employees, 2023
- 47
- Annual payroll, 2023
- $1.3M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 195 chain locations
- Listings at the U.S. rate for this spending
- 23The 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 Kendall 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 Kendall County
- Population, 2025 estimate
- 145,470+9.9% since 2020
- Households
- 45,372
- Median age
- 36.6
- Homes lived in by their owners
- 84%
- Vehicles per household
- 2.1
- Land area
- 320 sq. mi.
- People per square mile
- 430
- Median household income
- $111,601+15.6% vs. 2015–2019, before inflation
- Average household income
- $129,379
- Median home value
- $322,400
- Jobs located here
- 30,568
- Daytime population
- 86,410Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Kendall 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 Kendall 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 Kendall 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 Kendall 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 care82
- Auto repair shops82
- Collision repair and body shops83
- Car washes and detailing79
- Tire shops83
- Oil change and quick lube
- Gas stations90
- Insurance agencies59
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 Kendall County, IL?
Kendall County has 19 car washes and detailers on map listings as of September 2026. 5 of them (26%) are chain locations. The listings count car washes and detailers. Official counts show 8 businesses with payroll classed as car washes in 2023.
How much do households in Kendall County, IL spend on vehicle maintenance and repairs?
About $58.6M a year, or $1,292 per household. That is 35% above the U.S. average (an index of 135, where 100 is the U.S. average). Spread across the 19 car washes and detailers on map listings, it comes to $3.1M 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 45,372 households in Kendall County and national spending patterns by income.
How does Kendall County, IL compare with the U.S. for car washes and detailers?
Kendall County has 4.2 car washes and detailers per 10,000 households, 11% above the U.S. rate of 3.8. Spending per location is $3.1M, 23% above the U.S. figure of $2.5M. At the national ratio of car washes and detailers to household spending, Kendall County would have about 23, against 19 on map listings. There is one business with payroll in the industry for every 5,672 households, against one for every 6,523 across the U.S.
How fast is Kendall County, IL growing?
Population estimates put Kendall County at 145,470 people in 2025, up 9.9% since 2020, faster than the U.S. (+3.1%). It has 45,372 households. Median household income in Kendall County is $111,601, 38% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 15.6%, 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. Kendall County scores 79 for car washes and detailers (high), #68 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Kendall 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 Kendall County
Screening a site or an acquisition in Kendall 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 Kendall 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.