Auto · County · Illinois
Auto repair and car care businesses in Johnson County, IL
The auto repair and car care businesses in Johnson County, IL, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 51 out of 100: Upper middle
Ranked #1,197 of 2,401 scored counties
#36 of 87 scored counties in Illinois
- Listings
- 19
- 5 chain locations (26%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $4.7M
- On vehicle maintenance and repairs · $1,148 a household
- Spending per listing
- $248K
- 8% below the U.S.
- Listings per 10k households
- 46.3
- 30% above the U.S.
- Population, 2025
- 13,363
- +0.4% since 2020
See the auto repair and car care businesses around any address in Johnson 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 Johnson 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 $1,148 per household (20% above the U.S. average), households in Johnson County spend about $4.7M a year on vehicle maintenance and repairs. Spread across 19 auto repair and car care businesses, that is $248K per business, 8% below the U.S. figure of $269K.
Johnson County has 19 auto repair and car care businesses on map listings as of September 2026. Chain locations make up 26% of them, against 24% across the U.S. Per 10,000 households, that is 46.3, 30% above the U.S. rate of 35.7.
Official counts don’t publish a figure for automotive repair and maintenance, and tire dealers in Johnson County, since they leave out counts under 3. Official counts list 11 one-person businesses without payroll. Since fiscal 2022, 1 SBA-backed loan worth $50K has gone to businesses classed as automotive repair and maintenance, and tire dealers in Johnson County.
Between 2020 and 2025, the population of Johnson County grew 0.4%, slower than the U.S. (+3.1%). For auto repair and car care businesses, Johnson County has a Groundwork market score of 51 (upper middle): #1,197 of 2,401 scored counties and #36 of 87 scored counties in Illinois.
How Johnson 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 | Johnson County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 46.3 | 33.1 | 35.7 |
| Spending per listing | $248K | $294K | $269K |
| Households per official establishment | n/a | 626 | 681 |
| Official establishment growth, 2019–2023 | n/a | +2.0% | +4.1% |
| Population growth, 2020–2025 | +0.4% | −0.6% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,148 | $975 | $958 |
| Median household income | $62,528 | $83,390 | $80,734 |
| Groundwork market score | 51 | 44 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/a
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- 11Businesses with no payroll
- Map listings, September 2026
- 195 chain locations
- Listings at the U.S. rate for this spending
- 18The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $50K
SBA-backed loans to businesses classed as automotive repair and maintenance, and tire dealers in Johnson 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 Johnson County
- Population, 2025 estimate
- 13,363+0.4% since 2020
- Households
- 4,101
- Median age
- 41.4
- Homes lived in by their owners
- 82%
- Vehicles per household
- 2.0
- Land area
- 344 sq. mi.
- People per square mile
- 39
- Median household income
- $62,528+18.5% vs. 2015–2019, before inflation
- Average household income
- $78,713
- Median home value
- $160,500
- Jobs located here
- 2,158
- Daytime population
- 10,999Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Johnson 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 Johnson 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 Johnson 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 |
| 36Johnson County, IL | 51 | 19 | 46.3 | $248K | +0.4% | #1,197 of 2,401 |
Other business types in Johnson County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
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 Johnson County, IL?
Map listings as of September 2026 show 19 auto repair and car care businesses in Johnson County. 5 of them (26%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. No official count is published for automotive repair and maintenance, and tire dealers in Johnson County: counts under 3 are left out. Official counts also show 11 one-person businesses without payroll.
How much do households in Johnson County, IL spend on vehicle maintenance and repairs?
About $4.7M a year, or $1,148 per household. That is 20% above the U.S. average (an index of 120, where 100 is the U.S. average). Spread across the 19 auto repair and car care businesses on map listings, it comes to $248K per business. It is estimated from the incomes of the 4,101 households in Johnson County and national spending patterns by income.
How does Johnson County, IL compare with the U.S. for auto repair and car care businesses?
Johnson County has 46.3 auto repair and car care businesses per 10,000 households, 30% above the U.S. rate of 35.7. Spending per business is $248K, 8% below the U.S. figure of $269K. At the U.S. ratio of auto repair and car care businesses to household spending, Johnson County would have about 18, against 19 on map listings.
How fast is Johnson County, IL growing?
Population estimates put Johnson County at 13,363 people in 2025, up 0.4% since 2020, slower than the U.S. (+3.1%). It has 4,101 households. The median household income in Johnson County is $62,528 a year, 23% below the U.S. median of $80,734. That rose 18.5% 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. Johnson County scores 51 for auto repair and car care businesses (upper middle), #1,197 of 2,401 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Johnson 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 Johnson County
Screening a site or an acquisition in Johnson 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 Johnson 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.