Auto · County · Missouri
Oil change and quick-lube shops in St. Charles County, MO
Competitor counts, household spending and official business counts for oil change and quick-lube shops in St. Charles County, MO, set against other counties and the U.S.
Groundwork market score · out of 100
Score 50 out of 100: Upper middle
Ranked #255 of 479 scored counties
#5 of 10 scored counties in Missouri
- Listings
- 19
- 19 chain locations (100%)
- Official establishments
- 20
- −4.8% since 2019
- Household spending a year
- $193.4M
- On vehicle maintenance and repairs · $1,199 a household
- Spending per listing
- $10.2M
- 26% below the U.S.
- Listings per 10k households
- 1.2
- 71% above the U.S.
- Population, 2025
- 426,499
- +4.9% since 2020
See the oil change and quick-lube shops around any address in St. Charles County
The site report maps the oil change and quick-lube 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 St. Charles 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 19 oil change and quick-lube shops in St. Charles County. All of them are chain locations, against 73% across the U.S. Per 10,000 households, that is 1.2, 71% above the U.S. rate of 0.7.
Households in St. Charles County spend about $193.4M a year on vehicle maintenance and repairs, or $1,199 per household, 25% above the U.S. average. That works out to $10.2M per shop, 26% below the U.S. figure of $13.7M. That spending covers all vehicle maintenance and repairs, which oil change and quick-lube shops share with other businesses in the trade.
In 2023, official counts showed 20 businesses with payroll in St. Charles County classed as oil change and lubrication shops, down 4.8% from 2019. That is one for every 8,066 households, against one for every 14,222 across the U.S.
Population estimates put the population change in St. Charles County from 2020 to 2025 at +4.9%, faster than the U.S. (+3.1%). The Groundwork market score for oil change and quick-lube shops in St. Charles County is 50 (upper middle), #255 of 479 scored counties and #5 of 10 scored counties in Missouri.
How St. Charles 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 oil change and quick-lube 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 | St. Charles County | Missouri | U.S. |
|---|---|---|---|
| Listings per 10k households | 1.2 | 0.8 | 0.7 |
| Spending per listing | $10.2M | $13.3M | $13.7M |
| Households per official establishment | 8,066 | 11,887 | 14,222 |
| Official establishment growth, 2019–2023 | −4.8% | +15.9% | +12.1% |
| Population growth, 2020–2025 | +4.9% | +1.9% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,199 | $1,058 | $958 |
| Median household income | $104,692 | $70,702 | $80,734 |
| Groundwork market score | 50 | 45 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 21 → 20−4.8% over the period
- Employees, 2023
- 229
- Annual payroll, 2023
- $7.2M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 1919 chain locations
- Listings at the U.S. rate for this spending
- 14The 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 oil change and lubrication shops in St. Charles 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. Charles County
- Population, 2025 estimate
- 426,499+4.9% since 2020
- Households
- 161,311
- Median age
- 40.8
- Homes lived in by their owners
- 81%
- Vehicles per household
- 2.0
- Land area
- 560 sq. mi.
- People per square mile
- 740
- Median household income
- $104,692+23.2% vs. 2015–2019, before inflation
- Average household income
- $129,305
- Median home value
- $320,800
- Jobs located here
- 167,185
- Daytime population
- 365,581Residents who don’t work, plus everyone whose job is here
Looking at a specific site in St. Charles 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 oil change and quick-lube shops on map listings by name and distance.
Or open the report at the center of St. Charles County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardOil change and quick lube across Missouri
Every Missouri market ranked →The highest-scoring counties in Missouri for oil change and quick-lube shops, numbered among those based in Missouri, with St. Charles County marked.
Top counties in Missouri
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Cass County, MO | 69 | 5 | 1.2 | $10.8M | +7.1% | #82 of 479 |
| 2Jefferson County, MO | 60 | 9 | 1.0 | $11.8M | +2.7% | #159 of 479 |
| 3Jackson County, MO | 52 | 22 | 0.7 | $13.3M | +2.1% | #238 of 479 |
| 4Franklin County, MO | 51 | 5 | 1.2 | $10.2M | +3.1% | #249 of 479 |
| 5St. Charles County, MO | 50 | 19 | 1.2 | $10.2M | +4.9% | #255 of 479 |
| 6St. Louis city, MO | 48 | 7 | 0.5 | $14.5M | −7.4% | #265 of 479 |
| 7Clay County, MO | 48 | 11 | 1.1 | $10.3M | +4.3% | #270 of 479 |
| 8Greene County, MO | 46 | 12 | 0.9 | $10.7M | +3.3% | #288 of 479 |
| 9St. Louis County, MO | 45 | 31 | 0.7 | $13.5M | −1.2% | #298 of 479 |
| 10Jasper County, MO | 30 | 9 | 1.8 | $5.6M | +3.7% | #406 of 479 |
Other business types in St. Charles 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 shops74
- Collision repair and body shops69
- Car washes and detailing65
- Tire shops83
- Oil change and quick lube50
- Gas stations81
- Insurance agencies28
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many oil change and quick-lube shops are in St. Charles County, MO?
St. Charles County has 19 oil change and quick-lube shops on map listings as of September 2026. 19 of them (100%) are chain locations. The listings count oil change and quick-lube shops. Official counts show 20 businesses with payroll classed as oil change and lubrication shops in 2023, down 4.8% from 2019.
How much do households in St. Charles County, MO spend on vehicle maintenance and repairs?
About $193.4M a year, or $1,199 per household. That is 25% above the U.S. average (an index of 125, where 100 is the U.S. average). Spread across the 19 oil change and quick-lube shops on map listings, it comes to $10.2M per shop. The spending figure covers all vehicle maintenance and repairs, not only oil change and quick-lube shops. It is estimated from the incomes of the 161,311 households in St. Charles County and national spending patterns by income.
How does St. Charles County, MO compare with the U.S. for oil change and quick-lube shops?
St. Charles County has 1.2 oil change and quick-lube shops per 10,000 households, 71% above the U.S. rate of 0.7. Spending per shop is $10.2M, 26% below the U.S. figure of $13.7M. At the national ratio of oil change and quick-lube shops to household spending, St. Charles County would have about 14, against 19 on map listings. There is one business with payroll in the industry for every 8,066 households, against one for every 14,222 across the U.S. The official count fell 4.8% from 2019 to 2023, against +12.1% for the U.S.
How fast is St. Charles County, MO growing?
Population estimates put St. Charles County at 426,499 people in 2025, up 4.9% since 2020, faster than the U.S. (+3.1%). It has 161,311 households. The median household income in St. Charles County is $104,692 a year, 30% above the U.S. median of $80,734. That rose 23.2% 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. Charles County scores 50 for oil change and quick-lube shops (upper middle), #255 of 479 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in St. Charles County. It maps the oil change and quick-lube 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 oil change and quick-lube shops · All 56 business types in St. Charles County
Screening a site or an acquisition in St. Charles 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. Charles 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.