Auto · County · Michigan
Oil change and quick-lube shops in St. Clair County, MI
Competitor counts, household spending and official business counts for oil change and quick-lube shops in St. Clair County, MI, set against other counties and the U.S.
Groundwork market score · out of 100
Score 36 out of 100: Lower middle
Ranked #362 of 479 scored counties
#5 of 22 scored counties in Michigan
- Listings
- 7
- 1 chain location (14%)
- Official establishments
- 10
- Businesses with payroll, 2023
- Household spending a year
- $72.6M
- On vehicle maintenance and repairs · $1,071 a household
- Spending per listing
- $10.4M
- 24% below the U.S.
- Listings per 10k households
- 1.0
- 43% above the U.S.
- Population, 2025
- 160,486
- +0.1% since 2020
See the oil change and quick-lube shops around any address in St. Clair 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. Clair 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 oil change and quick-lube shops, St. Clair County has a Groundwork market score of 36 (lower middle): #362 of 479 scored counties and #5 of 22 scored counties in Michigan. That puts it in the bottom quarter of counties.
Households in St. Clair County spend about $72.6M a year on vehicle maintenance and repairs, or $1,071 per household, 12% above the U.S. average. Spread across 7 oil change and quick-lube shops, that is $10.4M per shop, 24% below the U.S. figure of $13.7M. The spending figure covers all vehicle maintenance and repairs, not only oil change and quick-lube shops.
There are 7 oil change and quick-lube shops on map listings in St. Clair County as of September 2026. One of them (14%) is a chain location, against 73% across the U.S. Per 10,000 households, that is 1.0, 43% above the U.S. rate of 0.7.
The official count of businesses with payroll classed as oil change and lubrication shops in St. Clair County was 10 in 2023. That is one for every 6,782 households, against one for every 14,222 across the U.S. Since fiscal 2022, 2 SBA-backed loans worth $75K have gone to businesses classed as oil change and lubrication shops in St. Clair County. Population estimates put the population change in St. Clair County from 2020 to 2025 at +0.1%, slower than the U.S. (+3.1%).
How St. Clair County compares
The same measures for Michigan 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. Clair County | Michigan | U.S. |
|---|---|---|---|
| Listings per 10k households | 1.0 | 1.3 | 0.7 |
| Spending per listing | $10.4M | $7.8M | $13.7M |
| Households per official establishment | 6,782 | 7,824 | 14,222 |
| Official establishment growth, 2019–2023 | n/a | +7.0% | +12.1% |
| Population growth, 2020–2025 | +0.1% | +0.6% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,071 | $1,022 | $958 |
| Median household income | $71,270 | $72,875 | $80,734 |
| Groundwork market score | 36 | 15 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 9 → 10
- Employees, 2023
- 39
- Annual payroll, 2023
- $1.5M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 71 chain location
- Listings at the U.S. rate for this spending
- 5The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 2
- Amount
- $75K
SBA-backed loans to businesses classed as oil change and lubrication shops in St. Clair 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. Clair County
- Population, 2025 estimate
- 160,486+0.1% since 2020
- Households
- 67,816
- Median age
- 44.6
- Homes lived in by their owners
- 81%
- Vehicles per household
- 1.8
- Land area
- 722 sq. mi.
- People per square mile
- 222
- Median household income
- $71,270+25.1% vs. 2015–2019, before inflation
- Average household income
- $90,621
- Median home value
- $224,600
- Jobs located here
- 41,623
- Daytime population
- 129,372Residents who don’t work, plus everyone whose job is here
Looking at a specific site in St. Clair 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. Clair 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 Michigan
Every Michigan market ranked →The highest-scoring counties in Michigan for oil change and quick-lube shops, numbered among those based in Michigan, with St. Clair County marked.
Top counties in Michigan
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Livingston County, MI | 58 | 6 | 0.8 | $16M | +1.7% | #175 of 479 |
| 2Allegan County, MI | 58 | 5 | 1.1 | $10.9M | +2.1% | #182 of 479 |
| 3Ottawa County, MI | 53 | 19 | 1.7 | $6.9M | +3.9% | #235 of 479 |
| 4Lapeer County, MI | 44 | 5 | 1.4 | $8.3M | +1.0% | #311 of 479 |
| 5St. Clair County, MI | 36 | 7 | 1.0 | $10.4M | +0.1% | #362 of 479 |
| 6Washtenaw County, MI | 35 | 17 | 1.1 | $9.1M | −0.4% | #369 of 479 |
| 7Muskegon County, MI | 35 | 15 | 2.2 | $4.6M | +1.8% | #376 of 479 |
| 8Grand Traverse County, MI | 34 | 7 | 1.7 | $6.2M | +1.4% | #380 of 479 |
| 9Saginaw County, MI | 33 | 7 | 0.9 | $11.1M | −1.1% | #382 of 479 |
| 10Monroe County, MI | 33 | 9 | 1.4 | $7.9M | +0.7% | #385 of 479 |
Other business types in St. Clair 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 care64
- Auto repair shops64
- Collision repair and body shops67
- Car washes and detailing59
- Tire shops78
- Oil change and quick lube36
- Gas stations53
- Insurance agencies45
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. Clair County, MI?
As of September 2026, map listings count 7 oil change and quick-lube shops in St. Clair County. One of them (14%) is a chain location. The listings count oil change and quick-lube shops. Official counts show 10 businesses with payroll classed as oil change and lubrication shops in 2023.
How much do households in St. Clair County, MI spend on vehicle maintenance and repairs?
About $72.6M a year, or $1,071 per household. That is 12% above the U.S. average (an index of 112, where 100 is the U.S. average). Spread across the 7 oil change and quick-lube shops on map listings, it comes to $10.4M per shop. That spending covers all vehicle maintenance and repairs, which oil change and quick-lube shops share with other businesses in the trade. It is estimated from the incomes of the 67,816 households in St. Clair County and national spending patterns by income.
How does St. Clair County, MI compare with the U.S. for oil change and quick-lube shops?
St. Clair County has 1.0 oil change and quick-lube shops per 10,000 households, 43% above the U.S. rate of 0.7. Spending per shop is $10.4M, 24% below the U.S. figure of $13.7M. At the U.S. ratio of oil change and quick-lube shops to household spending, St. Clair County would have about 5, against 7 on map listings. There is one business with payroll in the industry for every 6,782 households, against one for every 14,222 across the U.S.
How fast is St. Clair County, MI growing?
Population estimates put St. Clair County at 160,486 people in 2025, up 0.1% since 2020, slower than the U.S. (+3.1%). It has 67,816 households. Median household income in St. Clair County is $71,270, 12% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 25.1%, 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. Clair County scores 36 for oil change and quick-lube shops (lower middle), #362 of 479 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in St. Clair 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. Clair County
Screening a site or an acquisition in St. Clair 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. Clair 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.