Auto · County · Michigan
Auto repair shops in Sanilac County, MI
The auto repair shops in Sanilac County, MI, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 38 out of 100: Lower middle
Ranked #1,740 of 2,378 scored counties
#63 of 74 scored counties in Michigan
- Listings
- 48
- 4 chain locations (8%)
- Official establishments
- 20
- −13.0% since 2019
- Household spending a year
- $18.4M
- On vehicle maintenance and repairs · $1,053 a household
- Spending per listing
- $384K
- 14% below the U.S.
- Listings per 10k households
- 27.4
- 27% above the U.S.
- Population, 2025
- 40,083
- −1.0% since 2020
See the auto repair shops around any address in Sanilac County
The site report maps the auto repair 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 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
Map listings as of September 2026 show 48 auto repair shops in Sanilac County. Chain locations make up 8% of them, against 16% across the U.S. That comes to 27.4 for every 10,000 households, 27% above the U.S. rate of 21.5.
At $1,053 per household (10% above the U.S. average), households in Sanilac County spend about $18.4M a year on vehicle maintenance and repairs. That is about $384K of household spending for each shop on map listings, 14% below the U.S. figure of $445K. That spending covers all vehicle maintenance and repairs, which auto repair shops share with other businesses in the trade.
The official count of businesses with payroll classed as mechanical, body and glass repair in Sanilac County was 20 in 2023, down 13.0% from 2019. That is one for every 876 households, against one for every 955 across the U.S. Another 63 one-person businesses have no payroll, by official counts.
Population estimates show Sanilac County declined 1.0% from 2020 to 2025, against +3.1% for the U.S. The Groundwork market score for auto repair shops in Sanilac County is 38 (lower middle), #1,740 of 2,378 scored counties and #63 of 74 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 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 | Sanilac County | Michigan | U.S. |
|---|---|---|---|
| Listings per 10k households | 27.4 | 19.9 | 21.5 |
| Spending per listing | $384K | $512K | $445K |
| Households per official establishment | 876 | 960 | 955 |
| Official establishment growth, 2019–2023 | −13.0% | +1.2% | +2.1% |
| 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 | 38 | 56 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 23 → 20−13.0% over the period
- Employees, 2023
- 98
- Annual payroll, 2023
- $4.3M
- One-person businesses, 2023
- 63Businesses with no payroll
- Map listings, September 2026
- 484 chain locations
- Listings at the U.S. rate for this spending
- 42The 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 mechanical, body and glass repair 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 shops 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 shops across Michigan
Every Michigan market ranked →The highest-scoring counties in Michigan for auto repair shops, 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 | 90 | 11 | 11.4 | $1.1M | +3.0% | #18 of 2,378 |
| 2Lake County, MI | 82 | 5 | 9.6 | $971K | +9.1% | #75 of 2,378 |
| 3Benzie County, MI | 82 | 15 | 19.5 | $587K | +3.1% | #89 of 2,378 |
| 4Alcona County, MI | 78 | 5 | 9.4 | $1.1M | +3.7% | #140 of 2,378 |
| 5Livingston County, MI | 78 | 125 | 16.4 | $766K | +1.7% | #148 of 2,378 |
| 6Cass County, MI | 75 | 35 | 16.5 | $694K | +0.2% | #205 of 2,378 |
| 7Monroe County, MI | 74 | 97 | 15.4 | $729K | +0.7% | #224 of 2,378 |
| 8Washtenaw County, MI | 73 | 186 | 12.4 | $828K | −0.4% | #250 of 2,378 |
| 9Clinton County, MI | 72 | 59 | 18.6 | $643K | +1.6% | #286 of 2,378 |
| 10Crawford County, MI | 71 | 10 | 16.0 | $595K | +5.7% | #311 of 2,378 |
| 63Sanilac County, MI | 38 | 48 | 27.4 | $384K | −1.0% | #1,740 of 2,378 |
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
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 shops are in Sanilac County, MI?
There are 48 auto repair shops on map listings in Sanilac County as of September 2026. 4 of them (8%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 20 businesses with payroll classed as mechanical, body and glass repair in 2023, down 13.0% from 2019. Official counts list 63 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 48 auto repair shops on map listings, it comes to $384K per shop. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops. 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 shops?
Sanilac County has 27.4 auto repair shops per 10,000 households, 27% above the U.S. rate of 21.5. Spending per shop is $384K, 14% below the U.S. figure of $445K. At the national ratio of auto repair shops to household spending, Sanilac County would have about 42, against 48 on map listings. There is one business with payroll in the industry for every 876 households, against one for every 955 across the U.S. The official count fell 13.0% from 2019 to 2023, against +2.1% 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 38 for auto repair shops (lower middle), #1,740 of 2,378 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 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 auto repair shops · 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.