Auto · County · Michigan
Auto repair and car care businesses in Sanilac County, MI
The auto repair and car care businesses in Sanilac County, MI, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 42 out of 100: Lower middle
Ranked #1,576 of 2,401 scored counties
#50 of 75 scored counties in Michigan
- Listings
- 86
- 18 chain locations (21%)
- Official establishments
- 22
- −12.0% since 2019
- Household spending a year
- $18.4M
- On vehicle maintenance and repairs · $1,053 a household
- Spending per listing
- $214K
- 20% below the U.S.
- Listings per 10k households
- 49.1
- 38% above the U.S.
- Population, 2025
- 40,083
- −1.0% since 2020
See the auto repair and car care businesses around any address in Sanilac 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 Sanilac 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
Household spending on vehicle maintenance and repairs in Sanilac County comes to about $18.4M a year: $1,053 per household, 10% above the U.S. average. That works out to $214K per business, 20% below the U.S. figure of $269K.
Sanilac County has 86 auto repair and car care businesses on map listings as of September 2026. Chain locations make up 21% of them, against 24% across the U.S. That is 49.1 per 10,000 households, 38% above the U.S. rate of 35.7.
In 2023, official counts showed 22 businesses with payroll in Sanilac County classed as automotive repair and maintenance, and tire dealers, down 12.0% from 2019. That is one for every 796 households, against one for every 681 across the U.S. Another 88 one-person businesses have no payroll, by official counts.
Population estimates put the population change in Sanilac County from 2020 to 2025 at −1.0%, against +3.1% for the U.S. For auto repair and car care businesses, Sanilac County has a Groundwork market score of 42 (lower middle): #1,576 of 2,401 scored counties and #50 of 75 scored counties in Michigan.
How Sanilac 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 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 | Sanilac County | Michigan | U.S. |
|---|---|---|---|
| Listings per 10k households | 49.1 | 35.7 | 35.7 |
| Spending per listing | $214K | $286K | $269K |
| Households per official establishment | 796 | 643 | 681 |
| Official establishment growth, 2019–2023 | −12.0% | +3.9% | +4.1% |
| Population growth, 2020–2025 | −1.0% | +0.6% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,053 | $1,022 | $958 |
| Median household income | $58,863 | $72,875 | $80,734 |
| Groundwork market score | 42 | 45 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 25 → 22−12.0% over the period
- Employees, 2023
- 101
- Annual payroll, 2023
- $4.4M
- One-person businesses, 2023
- 88Businesses with no payroll
- Map listings, September 2026
- 8618 chain locations
- Listings at the U.S. rate for this spending
- 69The 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 automotive repair and maintenance, and tire dealers in Sanilac 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 Sanilac County
- Population, 2025 estimate
- 40,083−1.0% since 2020
- Households
- 17,516
- Median age
- 45.0
- Homes lived in by their owners
- 83%
- Vehicles per household
- 1.9
- Land area
- 963 sq. mi.
- People per square mile
- 42
- Median household income
- $58,863+23.5% vs. 2015–2019, before inflation
- Average household income
- $77,878
- Median home value
- $168,300
- Jobs located here
- 11,000
- Daytime population
- 36,733Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Sanilac 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 Sanilac 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 Michigan
Every Michigan market ranked →The highest-scoring counties in Michigan for auto repair and car care businesses, numbered among those based in Michigan, with Sanilac County marked.
Top counties in Michigan
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Leelanau County, MI | 88 | 19 | 19.7 | $627K | +3.0% | #28 of 2,401 |
| 2Alcona County, MI | 83 | 9 | 17.0 | $591K | +3.7% | #75 of 2,401 |
| 3Lake County, MI | 82 | 6 | 11.6 | $809K | +9.1% | #89 of 2,401 |
| 4Benzie County, MI | 80 | 27 | 35.0 | $326K | +3.1% | #132 of 2,401 |
| 5Antrim County, MI | 76 | 26 | 23.4 | $467K | +5.3% | #195 of 2,401 |
| 6Livingston County, MI | 76 | 226 | 29.6 | $423K | +1.7% | #197 of 2,401 |
| 7Cass County, MI | 75 | 55 | 25.9 | $442K | +0.2% | #221 of 2,401 |
| 8Clinton County, MI | 75 | 91 | 28.8 | $417K | +1.6% | #222 of 2,401 |
| 9Washtenaw County, MI | 72 | 342 | 22.7 | $450K | −0.4% | #290 of 2,401 |
| 10Monroe County, MI | 72 | 192 | 30.5 | $368K | +0.7% | #295 of 2,401 |
| 50Sanilac County, MI | 42 | 86 | 49.1 | $214K | −1.0% | #1,576 of 2,401 |
Other business types in Sanilac 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 care42
- Auto repair shops38
- Collision repair and body shops41
- Car washes and detailing31
- Tire shops47
- Oil change and quick lube
- Gas stations36
- Insurance agencies27
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 Sanilac County, MI?
Map listings as of September 2026 show 86 auto repair and car care businesses in Sanilac County. 18 of them (21%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 22 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, down 12.0% from 2019. Official counts list 88 one-person businesses without payroll.
How much do households in Sanilac County, MI spend on vehicle maintenance and repairs?
About $18.4M a year, or $1,053 per household. That is 10% above the U.S. average (an index of 110, where 100 is the U.S. average). Spread across the 86 auto repair and car care businesses on map listings, it comes to $214K per business. It is estimated from the incomes of the 17,516 households in Sanilac County and national spending patterns by income.
How does Sanilac County, MI compare with the U.S. for auto repair and car care businesses?
Sanilac County has 49.1 auto repair and car care businesses per 10,000 households, 38% above the U.S. rate of 35.7. Spending per business is $214K, 20% below the U.S. figure of $269K. At the U.S. ratio of auto repair and car care businesses to household spending, Sanilac County would have about 69, against 86 on map listings. There is one business with payroll in the industry for every 796 households, against one for every 681 across the U.S. The official count fell 12.0% from 2019 to 2023, against +4.1% for the U.S.
How fast is Sanilac County, MI growing?
Population estimates put Sanilac County at 40,083 people in 2025, down 1.0% since 2020, against +3.1% for the U.S. It has 17,516 households. The median household income in Sanilac County is $58,863 a year, 27% below the U.S. median of $80,734. That rose 23.5% 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. Sanilac County scores 42 for auto repair and car care businesses (lower middle), #1,576 of 2,401 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Sanilac 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 Sanilac County
Screening a site or an acquisition in Sanilac 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 Sanilac 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.