Auto · County · Illinois
Car washes and detailers in Grundy County, IL
The car washes and detailers in Grundy County, IL, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 57 out of 100: Upper middle
Ranked #551 of 1,451 scored counties
#12 of 54 scored counties in Illinois
- Listings
- 14
- 3 chain locations (21%)
- Official establishments
- 3
- Businesses with payroll, 2023
- Household spending a year
- $25.2M
- On vehicle maintenance and repairs · $1,223 a household
- Spending per listing
- $1.8M
- 29% below the U.S.
- Listings per 10k households
- 6.8
- 79% above the U.S.
- Population, 2025
- 54,052
- +2.9% since 2020
See the car washes and detailers around any address in Grundy 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 Grundy 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
Household spending on vehicle maintenance and repairs in Grundy County comes to about $25.2M a year: $1,223 per household, 28% above the U.S. average. That is about $1.8M of household spending for each location on map listings, 29% below the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.
There are 14 car washes and detailers on map listings in Grundy County as of September 2026. Of those, 3 are chain locations, or 21%, against 23% across the U.S. Per 10,000 households, that is 6.8, 79% above the U.S. rate of 3.8.
The official count of businesses with payroll classed as car washes in Grundy County was 3 in 2023. That is one for every 6,865 households, against one for every 6,523 across the U.S.
Population estimates put the population change in Grundy County from 2020 to 2025 at +2.9%, in step with the U.S. (+3.1%). For car washes and detailers, Grundy County has a Groundwork market score of 57 (upper middle): #551 of 1,451 scored counties and #12 of 54 scored counties in Illinois.
How Grundy 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 | Grundy County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 6.8 | 3.6 | 3.8 |
| Spending per listing | $1.8M | $2.7M | $2.5M |
| Households per official establishment | 6,865 | 6,432 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +8.6% | +16.7% |
| Population growth, 2020–2025 | +2.9% | −0.6% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,223 | $975 | $958 |
| Median household income | $92,235 | $83,390 | $80,734 |
| Groundwork market score | 57 | 46 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 5 → 3
- Employees, 2023
- 22
- Annual payroll, 2023
- $452K
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 143 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 Grundy 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 Grundy County
- Population, 2025 estimate
- 54,052+2.9% since 2020
- Households
- 20,595
- Median age
- 39.5
- Homes lived in by their owners
- 74%
- Vehicles per household
- 2.1
- Land area
- 418 sq. mi.
- People per square mile
- 127
- Median household income
- $92,235+19.2% vs. 2015–2019, before inflation
- Average household income
- $111,828
- Median home value
- $271,700
- Jobs located here
- 22,659
- Daytime population
- 48,130Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Grundy 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 Grundy 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 Grundy 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 |
| 12Grundy County, IL | 57 | 14 | 6.8 | $1.8M | +2.9% | #551 of 1,451 |
Other business types in Grundy 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 care52
- Auto repair shops56
- Collision repair and body shops63
- Car washes and detailing57
- Tire shops86
- Oil change and quick lube
- Gas stations54
- 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 Grundy County, IL?
As of September 2026, map listings count 14 car washes and detailers in Grundy County. 3 of them (21%) are chain locations. The listings count car washes and detailers. Official counts show 3 businesses with payroll classed as car washes in 2023.
How much do households in Grundy County, IL spend on vehicle maintenance and repairs?
About $25.2M a year, or $1,223 per household. That is 28% above the U.S. average (an index of 128, where 100 is the U.S. average). Spread across the 14 car washes and detailers on map listings, it comes to $1.8M 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 20,595 households in Grundy County and national spending patterns by income.
How does Grundy County, IL compare with the U.S. for car washes and detailers?
Grundy County has 6.8 car washes and detailers per 10,000 households, 79% above the U.S. rate of 3.8. Spending per location is $1.8M, 29% below the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, Grundy County would have about 10, against 14 on map listings. There is one business with payroll in the industry for every 6,865 households, against one for every 6,523 across the U.S.
How fast is Grundy County, IL growing?
Population estimates put Grundy County at 54,052 people in 2025, up 2.9% since 2020, in step with the U.S. (+3.1%). It has 20,595 households. The median household income in Grundy County is $92,235 a year, 14% above the U.S. median of $80,734. That rose 19.2% 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. Grundy County scores 57 for car washes and detailers (upper middle), #551 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Grundy 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 Grundy County
Screening a site or an acquisition in Grundy 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 Grundy 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.