Auto · County · Illinois
Auto repair and car care businesses in Grundy County, IL
How Grundy County, IL compares with other counties and the U.S. for auto repair and car care businesses: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 52 out of 100: Upper middle
Ranked #1,144 of 2,401 scored counties
#31 of 87 scored counties in Illinois
- Listings
- 98
- 21 chain locations (21%)
- Official establishments
- 40
- +8.1% since 2019
- Household spending a year
- $25.2M
- On vehicle maintenance and repairs · $1,223 a household
- Spending per listing
- $257K
- 4% below the U.S.
- Listings per 10k households
- 47.6
- 33% above the U.S.
- Population, 2025
- 54,052
- +2.9% since 2020
See the auto repair and car care businesses around any address in Grundy County
The site report maps the auto repair and car care businesses 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 $257K of household spending for each business on map listings, 4% below the U.S. figure of $269K.
There are 98 auto repair and car care businesses on map listings in Grundy County as of September 2026. Chain locations make up 21% of them, against 24% across the U.S. That is 47.6 per 10,000 households, 33% above the U.S. rate of 35.7.
In 2023, official counts showed 40 businesses with payroll in Grundy County classed as automotive repair and maintenance, and tire dealers, up 8.1% from 2019. That is one for every 515 households, against one for every 681 across the U.S. Another 53 one-person businesses have no payroll, by official counts. Since fiscal 2022, 2 SBA-backed loans worth $1.1M have gone to businesses classed as automotive repair and maintenance, and tire dealers in Grundy County.
Between 2020 and 2025, the population of Grundy County grew 2.9%, in step with the U.S. (+3.1%). The Groundwork market score for auto repair and car care businesses in Grundy County is 52 (upper middle), #1,144 of 2,401 scored counties and #31 of 87 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 auto repair and car care businesses 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 | 47.6 | 33.1 | 35.7 |
| Spending per listing | $257K | $294K | $269K |
| Households per official establishment | 515 | 626 | 681 |
| Official establishment growth, 2019–2023 | +8.1% | +2.0% | +4.1% |
| 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 | 52 | 44 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 37 → 40+8.1% over the period
- Employees, 2023
- 198
- Annual payroll, 2023
- $8.9M
- One-person businesses, 2023
- 53Businesses with no payroll
- Map listings, September 2026
- 9821 chain locations
- Listings at the U.S. rate for this spending
- 94The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 2
- Amount
- $1.1M
SBA-backed loans to businesses classed as automotive repair and maintenance, and tire dealers 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 auto repair and car care businesses 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 cardAuto repair and car care across Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for auto repair and car care businesses, 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 |
|---|---|---|---|---|---|---|
| 1Piatt County, IL | 83 | 15 | 21.7 | $597K | +0.6% | #73 of 2,401 |
| 2Kendall County, IL | 82 | 133 | 29.3 | $441K | +9.9% | #91 of 2,401 |
| 3Greene County, IL | 74 | 12 | 27.0 | $432K | −5.1% | #243 of 2,401 |
| 4Marshall County, IL | 73 | 17 | 33.4 | $349K | −2.0% | #273 of 2,401 |
| 5Woodford County, IL | 72 | 47 | 32.0 | $383K | −0.8% | #294 of 2,401 |
| 6Boone County, IL | 72 | 69 | 35.5 | $338K | +0.4% | #303 of 2,401 |
| 7Crawford County, IL | 71 | 28 | 37.4 | $306K | +0.1% | #346 of 2,401 |
| 8Lawrence County, IL | 66 | 14 | 25.6 | $403K | −9.7% | #487 of 2,401 |
| 9Menard County, IL | 65 | 14 | 26.8 | $414K | −3.3% | #519 of 2,401 |
| 10Lake County, IL | 65 | 862 | 33.4 | $356K | +0.8% | #524 of 2,401 |
| 31Grundy County, IL | 52 | 98 | 47.6 | $257K | +2.9% | #1,144 of 2,401 |
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 auto repair and car care businesses are in Grundy County, IL?
As of September 2026, map listings count 98 auto repair and car care businesses in Grundy County. 21 of them (21%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 40 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, up 8.1% from 2019. Official counts list 53 one-person businesses without payroll.
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 98 auto repair and car care businesses on map listings, it comes to $257K per business. 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 auto repair and car care businesses?
Grundy County has 47.6 auto repair and car care businesses per 10,000 households, 33% above the U.S. rate of 35.7. Spending per business is $257K, 4% below the U.S. figure of $269K. At the U.S. ratio of auto repair and car care businesses to household spending, Grundy County would have about 94, against 98 on map listings. There is one business with payroll in the industry for every 515 households, against one for every 681 across the U.S. The official count rose 8.1% from 2019 to 2023, against +4.1% for 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 52 for auto repair and car care businesses (upper middle), #1,144 of 2,401 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 auto repair and car care businesses 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 auto repair and car care businesses · 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.