Auto · County · Missouri
Auto repair and car care businesses in St. Louis County, MO
The auto repair and car care businesses in St. Louis County, MO, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 60 out of 100: Upper middle
Ranked #724 of 2,401 scored counties
#25 of 85 scored counties in Missouri
- Listings
- 1,197
- 440 chain locations (37%)
- Official establishments
- 560
- −2.8% since 2019
- Household spending a year
- $418.9M
- On vehicle maintenance and repairs · $1,012 a household
- Spending per listing
- $350K
- 30% above the U.S.
- Listings per 10k households
- 28.9
- 19% below the U.S.
- Population, 2025
- 990,911
- −1.2% since 2020
See the auto repair and car care businesses around any address in St. Louis 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 St. Louis 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 $1,012 per household (6% above the U.S. average), households in St. Louis County spend about $418.9M a year on vehicle maintenance and repairs. That is about $350K of household spending for each business on map listings, 30% above the U.S. figure of $269K.
There are 1,197 auto repair and car care businesses on map listings in St. Louis County as of September 2026. Of those, 440 are chain locations, or 37%, against 24% across the U.S. That is 28.9 per 10,000 households, 19% below the U.S. rate of 35.7.
Official counts show 560 businesses with payroll classed as automotive repair and maintenance, and tire dealers in St. Louis County in 2023, down 2.8% from 2019. That is one for every 739 households, against one for every 681 across the U.S. Official counts also show 560 one-person businesses without payroll. Since fiscal 2022, 22 SBA-backed loans worth $11.2M have gone to businesses classed as automotive repair and maintenance, and tire dealers in St. Louis County.
Population estimates show St. Louis County declined 1.2% from 2020 to 2025, against +3.1% for the U.S. St. Louis County scores 60 (upper middle) on the Groundwork market score for auto repair and car care businesses, ranking #724 of 2,401 scored counties and #25 of 85 scored counties in Missouri.
How St. Louis County compares
The same measures for Missouri 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 | St. Louis County | Missouri | U.S. |
|---|---|---|---|
| Listings per 10k households | 28.9 | 37.9 | 35.7 |
| Spending per listing | $350K | $279K | $269K |
| Households per official establishment | 739 | 613 | 681 |
| Official establishment growth, 2019–2023 | −2.8% | +2.8% | +4.1% |
| Population growth, 2020–2025 | −1.2% | +1.9% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,012 | $1,058 | $958 |
| Median household income | $82,936 | $70,702 | $80,734 |
| Groundwork market score | 60 | 42 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 576 → 560−2.8% over the period
- Employees, 2023
- 4,403
- Annual payroll, 2023
- $246.1M
- One-person businesses, 2023
- 560Businesses with no payroll
- Map listings, September 2026
- 1,197440 chain locations
- Listings at the U.S. rate for this spending
- 1,560The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 22
- Amount
- $11.2M
SBA-backed loans to businesses classed as automotive repair and maintenance, and tire dealers in St. Louis 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 St. Louis County
- Population, 2025 estimate
- 990,911−1.2% since 2020
- Households
- 413,849
- Median age
- 41.2
- Homes lived in by their owners
- 69%
- Vehicles per household
- 1.7
- Land area
- 509 sq. mi.
- People per square mile
- 1,958
- Median household income
- $82,936+23.0% vs. 2015–2019, before inflation
- Average household income
- $123,036
- Median home value
- $276,800
- Jobs located here
- 655,776
- Daytime population
- 1,175,839Residents who don’t work, plus everyone whose job is here
Looking at a specific site in St. Louis 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 St. Louis 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 Missouri
Every Missouri market ranked →The highest-scoring counties in Missouri for auto repair and car care businesses, numbered among those based in Missouri, with St. Louis County marked.
Top counties in Missouri
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Platte County, MO | 88 | 111 | 25.3 | $465K | +6.7% | #29 of 2,401 |
| 2Warren County, MO | 84 | 52 | 37.6 | $343K | +9.2% | #67 of 2,401 |
| 3Johnson County, MO | 80 | 71 | 33.7 | $340K | +4.9% | #129 of 2,401 |
| 4Stone County, MO | 76 | 42 | 31.0 | $357K | +4.1% | #203 of 2,401 |
| 5Osage County, MO | 74 | 15 | 28.4 | $477K | +2.7% | #241 of 2,401 |
| 6Cass County, MO | 74 | 163 | 37.7 | $331K | +7.1% | #256 of 2,401 |
| 7Andrew County, MO | 73 | 24 | 34.3 | $359K | +0.7% | #272 of 2,401 |
| 8Boone County, MO | 73 | 244 | 31.9 | $334K | +4.2% | #279 of 2,401 |
| 9St. Charles County, MO | 72 | 564 | 35.0 | $343K | +4.9% | #302 of 2,401 |
| 10Clay County, MO | 69 | 321 | 31.4 | $353K | +4.3% | #382 of 2,401 |
| 25St. Louis County, MO | 60 | 1,197 | 28.9 | $350K | −1.2% | #724 of 2,401 |
Other business types in St. Louis 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 care60
- Auto repair shops59
- Collision repair and body shops61
- Car washes and detailing56
- Tire shops60
- Oil change and quick lube45
- Gas stations57
- Insurance agencies7
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 St. Louis County, MO?
As of September 2026, map listings count 1,197 auto repair and car care businesses in St. Louis County. 440 of them (37%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 560 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, down 2.8% from 2019. Another 560 one-person businesses have no payroll, by official counts.
How much do households in St. Louis County, MO spend on vehicle maintenance and repairs?
About $418.9M a year, or $1,012 per household. That is 6% above the U.S. average (an index of 106, where 100 is the U.S. average). Spread across the 1,197 auto repair and car care businesses on map listings, it comes to $350K per business. It is estimated from the incomes of the 413,849 households in St. Louis County and national spending patterns by income.
How does St. Louis County, MO compare with the U.S. for auto repair and car care businesses?
St. Louis County has 28.9 auto repair and car care businesses per 10,000 households, 19% below the U.S. rate of 35.7. Spending per business is $350K, 30% above the U.S. figure of $269K. At the U.S. ratio of auto repair and car care businesses to household spending, St. Louis County would have about 1,560, against 1,197 on map listings. There is one business with payroll in the industry for every 739 households, against one for every 681 across the U.S. The official count fell 2.8% from 2019 to 2023, against +4.1% for the U.S.
How fast is St. Louis County, MO growing?
Population estimates put St. Louis County at 990,911 people in 2025, down 1.2% since 2020, against +3.1% for the U.S. It has 413,849 households. The median household income in St. Louis County is $82,936 a year, 3% above the U.S. median of $80,734. That rose 23.0% 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. St. Louis County scores 60 for auto repair and car care businesses (upper middle), #724 of 2,401 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in St. Louis 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 St. Louis County
Screening a site or an acquisition in St. Louis 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 St. Louis 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.