Groundwork

Auto · County · Michigan

Tire shops in St. Clair County, MI

Competitor counts, household spending and official business counts for tire shops in St. Clair County, MI, set against other counties and the U.S.

Groundwork market score · out of 100

Score 78 out of 100: High

Ranked #119 of 1,530 scored counties
#7 of 44 scored counties in Michigan

Listings
9
5 chain locations (56%)
Official establishments
7
Businesses with payroll, 2023
Household spending a year
$72.6M
On vehicle maintenance and repairs · $1,071 a household
Spending per listing
$8.1M
3.2 times the U.S.
Listings per 10k households
1.3
66% below the U.S.
Population, 2025
160,486
+0.1% since 2020

See the tire shops around any address in St. Clair County

The site report maps the tire 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 card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

The Groundwork market score for tire shops in St. Clair County is 78 (high), #119 of 1,530 scored counties and #7 of 44 scored counties in Michigan. That puts it in the top 10% of counties for tire shops.

As of September 2026, map listings count 9 tire shops in St. Clair County. Of those, 5 are chain locations, or 56%, against 39% across the U.S. Per 10,000 households, that is 1.3, 66% below the U.S. rate of 3.8.

Household spending on vehicle maintenance and repairs in St. Clair County comes to about $72.6M a year: $1,071 per household, 12% above the U.S. average. That is about $8.1M of household spending for each shop on map listings, 3.2 times the U.S. figure of $2.5M. That spending covers all vehicle maintenance and repairs, which tire shops share with other businesses in the trade.

The official count of businesses with payroll classed as tire dealers in St. Clair County was 7 in 2023. That is one for every 9,688 households, against one for every 6,381 across the U.S. Between 2020 and 2025, the population of St. Clair County grew 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 tire 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.

Tire shops in St. Clair County, MI compared with Michigan and the U.S.
MeasureSt. Clair CountyMichiganU.S.
Listings per 10k households1.33.03.8
Spending per listing$8.1M$3.4M$2.5M
Households per official establishment9,6887,6056,381
Official establishment growth, 2019–2023n/a+2.3%−0.4%
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 score7863

Official counts and lending

Businesses

Official establishments, 2019 to 2023
6 → 7
Employees, 2023
86
Annual payroll, 2023
$4.7M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
95 chain locations
Listings at the U.S. rate for this spending
29The 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 tire dealers 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 tire 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 card

Tire shops across Michigan

Every Michigan market ranked →

The highest-scoring counties in Michigan for tire shops, numbered among those based in Michigan, with St. Clair County marked.

Top counties in Michigan

Counties in Michigan ranked for tire shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Ottawa County, MI86292.6$4.5M+3.9%#29 of 1,530
2Livingston County, MI85141.8$6.8M+1.7%#38 of 1,530
3Monroe County, MI82132.1$5.4M+0.7%#69 of 1,530
4Allegan County, MI82112.4$5M+2.1%#72 of 1,530
5Lapeer County, MI80102.9$4.1M+1.0%#98 of 1,530
6Midland County, MI7982.3$4.8M+0.3%#108 of 1,530
7St. Clair County, MI7891.3$8.1M+0.1%#119 of 1,530
8Oakland County, MI761302.5$4.4M+1.2%#150 of 1,530
9Washtenaw County, MI73291.9$5.3M−0.4%#199 of 1,530
10Cass County, MI7362.8$4.1M+0.2%#206 of 1,530

Other business types in St. Clair County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many tire shops are in St. Clair County, MI?

St. Clair County has 9 tire shops on map listings as of September 2026. 5 of them (56%) are chain locations. The listings count tire shops and tire dealers. Official counts show 7 businesses with payroll classed as tire dealers 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 9 tire shops on map listings, it comes to $8.1M per shop. The spending figure covers all vehicle maintenance and repairs, not only tire shops. 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 tire shops?

St. Clair County has 1.3 tire shops per 10,000 households, 66% below the U.S. rate of 3.8. Spending per shop is $8.1M, 3.2 times the U.S. figure of $2.5M. At the national ratio of tire shops to household spending, St. Clair County would have about 29, against 9 on map listings. There is one business with payroll in the industry for every 9,688 households, against one for every 6,381 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 78 for tire shops (high), #119 of 1,530 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 tire 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 tire 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.