Auto · County · Iowa
Car washes and detailers in Johnson County, IA
Competitor counts, household spending and official business counts for car washes and detailers in Johnson County, IA, set against other counties and the U.S.
Groundwork market score · out of 100
Score 59 out of 100: Upper middle
Ranked #501 of 1,451 scored counties
#4 of 32 scored counties in Iowa
- Listings
- 30
- 5 chain locations (17%)
- Official establishments
- 9
- Businesses with payroll, 2023
- Household spending a year
- $64.7M
- On vehicle maintenance and repairs · $1,021 a household
- Spending per listing
- $2.2M
- 14% below the U.S.
- Listings per 10k households
- 4.7
- 24% above the U.S.
- Population, 2025
- 160,044
- +4.6% since 2020
See the car washes and detailers around any address in Johnson 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 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
As of September 2026, map listings count 30 car washes and detailers in Johnson County. Chain locations make up 17% of them, against 23% across the U.S. That is 4.7 per 10,000 households, 24% above the U.S. rate of 3.8.
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. That is about $2.2M of household spending for each location on map listings, 14% below the U.S. figure of $2.5M. That spending covers all vehicle maintenance and repairs, which car washes and detailers share with other businesses in the trade.
In 2023, official counts showed 9 businesses with payroll in Johnson County classed as car washes. That is one for every 7,038 households, against one for every 6,523 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $1.6M has gone to businesses classed as car washes in Johnson County.
Population estimates show Johnson County grew 4.6% from 2020 to 2025, faster than the U.S. (+3.1%). Johnson County scores 59 (upper middle) on the Groundwork market score for car washes and detailers, ranking #501 of 1,451 scored counties and #4 of 32 scored counties in Iowa.
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 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 | Johnson County | Iowa | U.S. |
|---|---|---|---|
| Listings per 10k households | 4.7 | 5.1 | 3.8 |
| Spending per listing | $2.2M | $2.2M | $2.5M |
| Households per official establishment | 7,038 | 4,357 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +17.1% | +16.7% |
| 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 | 59 | 34 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 8 → 9
- Employees, 2023
- 63
- Annual payroll, 2023
- $1.3M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 305 chain locations
- Listings at the U.S. rate for this spending
- 26The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $1.6M
SBA-backed loans to businesses classed as car washes 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 car washes and detailers 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 cardCar washes and detailing across Iowa
Every Iowa market ranked →The highest-scoring counties in Iowa for car washes and detailers, 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 |
|---|---|---|---|---|---|---|
| 1Warren County, IA | 96 | 5 | 2.4 | $5.2M | +9.0% | #1 of 1,451 |
| 2Marion County, IA | 60 | 8 | 6.0 | $2.1M | +2.3% | #474 of 1,451 |
| 3Story County, IA | 59 | 15 | 3.9 | $2.8M | +2.7% | #481 of 1,451 |
| 4Johnson County, IA | 59 | 30 | 4.7 | $2.2M | +4.6% | #501 of 1,451 |
| 5Dallas County, IA | 59 | 27 | 6.4 | $1.9M | +17.8% | #505 of 1,451 |
| 6Jasper County, IA | 58 | 5 | 3.3 | $3.6M | +0.9% | #507 of 1,451 |
| 7Sioux County, IA | 51 | 7 | 5.5 | $2.4M | +2.5% | #700 of 1,451 |
| 8Clinton County, IA | 51 | 10 | 5.1 | $2.2M | −0.9% | #707 of 1,451 |
| 9Polk County, IA | 48 | 112 | 5.5 | $2M | +4.8% | #785 of 1,451 |
| 10Des Moines County, IA | 45 | 6 | 3.5 | $3M | −2.0% | #843 of 1,451 |
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
- Auto repair and car care75
- Auto repair shops75
- Collision repair and body shops64
- Car washes and detailing59
- Tire shops70
- Oil change and quick lube
- Gas stations72
- Insurance agencies51
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 Johnson County, IA?
Johnson County has 30 car washes and detailers on map listings as of September 2026. 5 of them (17%) are chain locations. The listings count car washes and detailers. Official counts show 9 businesses with payroll classed as car washes in 2023.
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 30 car washes and detailers on map listings, it comes to $2.2M per location. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers. 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 car washes and detailers?
Johnson County has 4.7 car washes and detailers per 10,000 households, 24% above the U.S. rate of 3.8. Spending per location is $2.2M, 14% below the U.S. figure of $2.5M. At the national ratio of car washes and detailers to household spending, Johnson County would have about 26, against 30 on map listings. There is one business with payroll in the industry for every 7,038 households, against one for every 6,523 across 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 59 for car washes and detailers (upper middle), #501 of 1,451 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 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 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.