Auto · County · Iowa
Car washes and detailers in Warren County, IA
How Warren County, IA compares with other counties and the U.S. for car washes and detailers: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 96 out of 100: Very high
Ranked #1 of 1,451 scored counties
#1 of 32 scored counties in Iowa
- Listings
- 5
- 2 chain locations (40%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $26M
- On vehicle maintenance and repairs · $1,258 a household
- Spending per listing
- $5.2M
- 2.1 times the U.S.
- Listings per 10k households
- 2.4
- 37% below the U.S.
- Population, 2025
- 57,331
- +9.0% since 2020
See the car washes and detailers around any address in Warren 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 Warren 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
For car washes and detailers, Warren County has a Groundwork market score of 96 (very high): #1 of 1,451 scored counties and #1 of 32 scored counties in Iowa. That puts it in the top 10% of counties for car washes and detailers.
Map listings as of September 2026 show 5 car washes and detailers in Warren County. Chain locations make up 40% of them, against 23% across the U.S. Per 10,000 households, that is 2.4, 37% below the U.S. rate of 3.8.
Household spending on vehicle maintenance and repairs in Warren County comes to about $26M a year: $1,258 per household, 31% above the U.S. average. That is about $5.2M of household spending for each location on map listings, 2.1 times 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.
There is no official count of businesses with payroll classed as car washes in Warren County: counts under 3 aren’t published. Population estimates put the population change in Warren County from 2020 to 2025 at +9.0%, faster than the U.S. (+3.1%).
How Warren 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 | Warren County | Iowa | U.S. |
|---|---|---|---|
| Listings per 10k households | 2.4 | 5.1 | 3.8 |
| Spending per listing | $5.2M | $2.2M | $2.5M |
| Households per official establishment | n/a | 4,357 | 6,523 |
| Official establishment growth, 2019–2023 | n/a | +17.1% | +16.7% |
| Population growth, 2020–2025 | +9.0% | +1.5% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,258 | $1,134 | $958 |
| Median household income | $94,588 | $75,059 | $80,734 |
| Groundwork market score | 96 | 34 |
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
- Not publishedNot published for this business type
- Map listings, September 2026
- 52 chain locations
- Listings at the U.S. rate for this spending
- 10The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 0
- Amount
- $0
SBA-backed loans to businesses classed as car washes in Warren 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 Warren County
- Population, 2025 estimate
- 57,331+9.0% since 2020
- Households
- 20,679
- Median age
- 39.0
- Homes lived in by their owners
- 82%
- Vehicles per household
- 2.1
- Land area
- 570 sq. mi.
- People per square mile
- 96
- Median household income
- $94,588+22.8% vs. 2015–2019, before inflation
- Average household income
- $111,331
- Median home value
- $269,600
- Jobs located here
- 12,335
- Daytime population
- 39,313Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Warren 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 Warren 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 Warren 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 Warren 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 care72
- Auto repair shops61
- Collision repair and body shops59
- Car washes and detailing96
- Tire shops
- Oil change and quick lube
- Gas stations81
- Insurance agencies53
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 Warren County, IA?
There are 5 car washes and detailers on map listings in Warren County as of September 2026. 2 of them (40%) are chain locations. The listings count car washes and detailers. No official count is published for car washes in Warren County: counts under 3 are left out.
How much do households in Warren County, IA spend on vehicle maintenance and repairs?
About $26M a year, or $1,258 per household. That is 31% above the U.S. average (an index of 131, where 100 is the U.S. average). Spread across the 5 car washes and detailers on map listings, it comes to $5.2M 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 20,679 households in Warren County and national spending patterns by income.
How does Warren County, IA compare with the U.S. for car washes and detailers?
Warren County has 2.4 car washes and detailers per 10,000 households, 37% below the U.S. rate of 3.8. Spending per location is $5.2M, 2.1 times the U.S. figure of $2.5M. At the national ratio of car washes and detailers to household spending, Warren County would have about 10, against 5 on map listings.
How fast is Warren County, IA growing?
Population estimates put Warren County at 57,331 people in 2025, up 9.0% since 2020, faster than the U.S. (+3.1%). It has 20,679 households. Median household income in Warren County is $94,588, 17% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 22.8%, 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. Warren County scores 96 for car washes and detailers (very high), #1 of 1,451 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Warren 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 Warren County
Screening a site or an acquisition in Warren 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 Warren 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.