Auto · County · Illinois
Auto repair shops in Johnson County, IL
The auto repair shops in Johnson County, IL, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 52 out of 100: Upper middle
Ranked #1,116 of 2,378 scored counties
#37 of 87 scored counties in Illinois
- Listings
- 11
- 0 chain locations (0%)
- 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
- $428K
- 4% below the U.S.
- Listings per 10k households
- 26.8
- 25% above the U.S.
- Population, 2025
- 13,363
- +0.4% since 2020
See the auto repair shops around any address in Johnson County
The site report maps the auto repair shops 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
Map listings as of September 2026 show 11 auto repair shops in Johnson County. None of them are chain locations, against 16% across the U.S. That is 26.8 per 10,000 households, 25% above the U.S. rate of 21.5.
Households in Johnson County spend about $4.7M a year on vehicle maintenance and repairs, or $1,148 per household, 20% above the U.S. average. That works out to $428K per shop, 4% below the U.S. figure of $445K. That spending covers all vehicle maintenance and repairs, which auto repair shops share with other businesses in the trade.
There is no official count of businesses with payroll classed as mechanical, body and glass repair in Johnson County: counts under 3 aren’t published. Official counts list 7 one-person businesses without payroll. Since fiscal 2022, 1 SBA-backed loan worth $50K has gone to businesses classed as mechanical, body and glass repair in Johnson County.
Population estimates put the population change in Johnson County from 2020 to 2025 at +0.4%, slower than the U.S. (+3.1%). The Groundwork market score for auto repair shops in Johnson County is 52 (upper middle), #1,116 of 2,378 scored counties and #37 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 shops 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 | 26.8 | 20.3 | 21.5 |
| Spending per listing | $428K | $479K | $445K |
| Households per official establishment | n/a | 840 | 955 |
| Official establishment growth, 2019–2023 | n/a | −1.1% | +2.1% |
| 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 | 52 | 38 |
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
- 7Businesses with no payroll
- Map listings, September 2026
- 110 chain locations
- Listings at the U.S. rate for this spending
- 11The 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 mechanical, body and glass repair 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 shops 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 shops across Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for auto repair shops, 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 |
|---|---|---|---|---|---|---|
| 1Kendall County, IL | 82 | 78 | 17.2 | $752K | +9.9% | #78 of 2,378 |
| 2Piatt County, IL | 76 | 9 | 13.0 | $994K | +0.6% | #182 of 2,378 |
| 3Woodford County, IL | 70 | 22 | 15.0 | $818K | −0.8% | #330 of 2,378 |
| 4Marshall County, IL | 70 | 8 | 15.7 | $743K | −2.0% | #332 of 2,378 |
| 5Boone County, IL | 69 | 40 | 20.6 | $583K | +0.4% | #375 of 2,378 |
| 6Menard County, IL | 68 | 8 | 15.3 | $725K | −3.3% | #401 of 2,378 |
| 7Crawford County, IL | 67 | 18 | 24.0 | $475K | +0.1% | #477 of 2,378 |
| 8Jersey County, IL | 65 | 16 | 20.1 | $599K | −1.5% | #517 of 2,378 |
| 9Greene County, IL | 64 | 8 | 18.0 | $648K | −5.1% | #550 of 2,378 |
| 10Douglas County, IL | 63 | 11 | 14.2 | $781K | +0.5% | #588 of 2,378 |
| 37Johnson County, IL | 52 | 11 | 26.8 | $428K | +0.4% | #1,116 of 2,378 |
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 shops are in Johnson County, IL?
There are 11 auto repair shops on map listings in Johnson County as of September 2026. None of them are chain locations. The listings count general, specialty, body and glass repair shops. No official count is published for mechanical, body and glass repair in Johnson County: counts under 3 are left out. Official counts also show 7 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 11 auto repair shops on map listings, it comes to $428K per shop. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops. 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 shops?
Johnson County has 26.8 auto repair shops per 10,000 households, 25% above the U.S. rate of 21.5. Spending per shop is $428K, 4% below the U.S. figure of $445K. The count on map listings matches the U.S. ratio of auto repair shops to household spending.
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 52 for auto repair shops (upper middle), #1,116 of 2,378 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 shops 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 shops · 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.