Auto · County · Iowa
Auto repair shops in Johnson County, IA
The auto repair shops in Johnson County, IA, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 75 out of 100: High
Ranked #211 of 2,378 scored counties
#3 of 72 scored counties in Iowa
- Listings
- 100
- 18 chain locations (18%)
- Official establishments
- 54
- 0.0% since 2019
- Household spending a year
- $64.7M
- On vehicle maintenance and repairs · $1,021 a household
- Spending per listing
- $647K
- 45% above the U.S.
- Listings per 10k households
- 15.8
- 27% below the U.S.
- Population, 2025
- 160,044
- +4.6% 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
The Groundwork market score for auto repair shops in Johnson County is 75 (high), #211 of 2,378 scored counties and #3 of 72 scored counties in Iowa. That puts it in the top 10% of counties for auto repair shops.
At $1,021 per household (7% above the U.S. average), households in Johnson County spend about $64.7M a year on vehicle maintenance and repairs. Spread across 100 auto repair shops, that is $647K per shop, 45% above the U.S. figure of $445K. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops.
Johnson County has 100 auto repair shops on map listings as of September 2026. Chain locations make up 18% of them, against 16% across the U.S. That is 15.8 per 10,000 households, 27% below the U.S. rate of 21.5.
The official count of businesses with payroll classed as mechanical, body and glass repair in Johnson County was 54 in 2023, unchanged from 2019. That is one for every 1,173 households, against one for every 955 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $496K has gone to businesses classed as mechanical, body and glass repair in Johnson County. Between 2020 and 2025, the population of Johnson County grew 4.6%, faster than the U.S. (+3.1%).
How Johnson County compares
The same measures for Iowa 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 | Iowa | U.S. |
|---|---|---|---|
| Listings per 10k households | 15.8 | 24.1 | 21.5 |
| Spending per listing | $647K | $470K | $445K |
| Households per official establishment | 1,173 | 766 | 955 |
| Official establishment growth, 2019–2023 | 0.0% | −1.3% | +2.1% |
| Population growth, 2020–2025 | +4.6% | +1.5% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,021 | $1,134 | $958 |
| Median household income | $74,935 | $75,059 | $80,734 |
| Groundwork market score | 75 | 46 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 54 → 540.0% over the period
- Employees, 2023
- 297
- Annual payroll, 2023
- $16M
- One-person businesses, 2023
- 71Businesses with no payroll
- Map listings, September 2026
- 10018 chain locations
- Listings at the U.S. rate for this spending
- 146The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $496K
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
- 160,044+4.6% since 2020
- Households
- 63,341
- Median age
- 34.5
- Homes lived in by their owners
- 59%
- Vehicles per household
- 1.7
- Land area
- 613 sq. mi.
- People per square mile
- 256
- Median household income
- $74,935+19.8% vs. 2015–2019, before inflation
- Average household income
- $108,874
- Median home value
- $308,600
- Jobs located here
- 88,327
- Daytime population
- 171,516Residents 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 Iowa
Every Iowa market ranked →The highest-scoring counties in Iowa for auto repair shops, numbered among those based in Iowa, with Johnson County marked.
Top counties in Iowa
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Dallas County, IA | 95 | 53 | 12.5 | $964K | +17.8% | #5 of 2,378 |
| 2Tama County, IA | 78 | 11 | 16.4 | $738K | −1.5% | #150 of 2,378 |
| 3Johnson County, IA | 75 | 100 | 15.8 | $647K | +4.6% | #211 of 2,378 |
| 4Buchanan County, IA | 72 | 18 | 21.8 | $577K | +1.3% | #290 of 2,378 |
| 5Marion County, IA | 71 | 28 | 21.0 | $603K | +2.3% | #309 of 2,378 |
| 6Polk County, IA | 70 | 404 | 19.7 | $549K | +4.8% | #347 of 2,378 |
| 7Buena Vista County, IA | 69 | 15 | 19.9 | $597K | −1.7% | #372 of 2,378 |
| 8Grundy County, IA | 69 | 13 | 25.4 | $499K | +0.2% | #389 of 2,378 |
| 9Bremer County, IA | 68 | 19 | 19.6 | $626K | +1.1% | #412 of 2,378 |
| 10Story County, IA | 66 | 78 | 20.0 | $537K | +2.7% | #495 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, IA?
Map listings as of September 2026 show 100 auto repair shops in Johnson County. 18 of them (18%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 54 businesses with payroll classed as mechanical, body and glass repair in 2023, unchanged from 2019. Another 71 one-person businesses have no payroll, by official counts.
How much do households in Johnson County, IA spend on vehicle maintenance and repairs?
About $64.7M a year, or $1,021 per household. That is 7% above the U.S. average (an index of 107, where 100 is the U.S. average). Spread across the 100 auto repair shops on map listings, it comes to $647K per shop. That spending covers all vehicle maintenance and repairs, which auto repair shops share with other businesses in the trade. It is estimated from the incomes of the 63,341 households in Johnson County and national spending patterns by income.
How does Johnson County, IA compare with the U.S. for auto repair shops?
Johnson County has 15.8 auto repair shops per 10,000 households, 27% below the U.S. rate of 21.5. Spending per shop is $647K, 45% above the U.S. figure of $445K. At the U.S. ratio of auto repair shops to household spending, Johnson County would have about 146, against 100 on map listings. There is one business with payroll in the industry for every 1,173 households, against one for every 955 across the U.S. The official count held level from 2019 to 2023, against +2.1% for the U.S.
How fast is Johnson County, IA growing?
Population estimates put Johnson County at 160,044 people in 2025, up 4.6% since 2020, faster than the U.S. (+3.1%). It has 63,341 households. Median household income in Johnson County is $74,935, 7% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 19.8%, 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 75 for auto repair shops (high), #211 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.