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Oil change and quick-lube shops in St. Clair County, IL

How St. Clair County, IL compares with other counties and the U.S. for oil change and quick-lube shops: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 41 out of 100: Lower middle

Ranked #329 of 479 scored counties
#9 of 18 scored counties in Illinois

Listings
10
8 chain locations (80%)
Official establishments
8
Businesses with payroll, 2023
Household spending a year
$104.1M
On vehicle maintenance and repairs · $1,032 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
250,708
−2.5% 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.

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

What this means

At $1,032 per household (8% above the U.S. average), households in St. Clair County spend about $104.1M a year on vehicle maintenance and repairs. That is about $10.4M of household spending for each shop on map listings, 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.

St. Clair County has 10 oil change and quick-lube shops on map listings as of September 2026. 8 of them (80%) are chain locations, against 73% across the U.S. That comes to 1.0 for every 10,000 households, 43% above the U.S. rate of 0.7.

In 2023, official counts showed 8 businesses with payroll in St. Clair County classed as oil change and lubrication shops. That is one for every 12,606 households, against one for every 14,222 across the U.S.

Population estimates show St. Clair County declined 2.5% from 2020 to 2025, against +3.1% for the U.S. The Groundwork market score for oil change and quick-lube shops in St. Clair County is 41 (lower middle), #329 of 479 scored counties and #9 of 18 scored counties in Illinois.

How St. Clair County compares

The same measures for Illinois 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.

Oil change and quick lube in St. Clair County, IL compared with Illinois and the U.S.
MeasureSt. Clair CountyIllinoisU.S.
Listings per 10k households1.00.80.7
Spending per listing$10.4M$12.4M$13.7M
Households per official establishment12,60613,83614,222
Official establishment growth, 2019–2023n/a+15.6%+12.1%
Population growth, 2020–2025−2.5%−0.6%+3.1%
Spending per household on vehicle maintenance and repairs$1,032$975$958
Median household income$73,854$83,390$80,734
Groundwork market score4134

Official counts and lending

Businesses

Official establishments, 2019 to 2023
10 → 8
Employees, 2023
80
Annual payroll, 2023
$2.7M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
108 chain locations
Listings at the U.S. rate for this spending
8The 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. 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
250,708−2.5% since 2020
Households
100,846
Median age
40.3
Homes lived in by their owners
68%
Vehicles per household
1.8
Land area
658 sq. mi.
People per square mile
386
Median household income
$73,854+33.8% vs. 2015–2019, before inflation
Average household income
$96,153
Median home value
$180,300
Jobs located here
90,959
Daytime population
229,240Residents 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.

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Oil change and quick lube across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for oil change and quick-lube shops, numbered among those based in Illinois, with St. Clair County marked.

Top counties in Illinois

Counties in Illinois ranked for oil change and quick-lube shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Will County, IL66220.9$13.9M+2.2%#105 of 479
2Kane County, IL62170.9$13.3M+1.8%#137 of 479
3Lake County, IL58240.9$12.8M+0.8%#177 of 479
4DuPage County, IL57250.7$15.8M+0.3%#186 of 479
5McHenry County, IL57131.1$11.2M+2.5%#192 of 479
6Tazewell County, IL4550.9$11.6M−0.9%#299 of 479
7Cook County, IL431300.6$12.9M−1.3%#314 of 479
8Madison County, IL41111.0$10.7M−1.0%#328 of 479
9St. Clair County, IL41101.0$10.4M−2.5%#329 of 479
10Kankakee County, IL4051.2$8.7M−1.7%#339 of 479

Other business types in St. Clair County

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

Questions

How many oil change and quick-lube shops are in St. Clair County, IL?

Map listings as of September 2026 show 10 oil change and quick-lube shops in St. Clair County. 8 of them (80%) are chain locations. The listings count oil change and quick-lube shops. Official counts show 8 businesses with payroll classed as oil change and lubrication shops in 2023.

How much do households in St. Clair County, IL spend on vehicle maintenance and repairs?

About $104.1M a year, or $1,032 per household. That is 8% above the U.S. average (an index of 108, where 100 is the U.S. average). Spread across the 10 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 100,846 households in St. Clair County and national spending patterns by income.

How does St. Clair County, IL 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 8, against 10 on map listings. There is one business with payroll in the industry for every 12,606 households, against one for every 14,222 across the U.S.

How fast is St. Clair County, IL growing?

Population estimates put St. Clair County at 250,708 people in 2025, down 2.5% since 2020, against +3.1% for the U.S. It has 100,846 households. Median household income in St. Clair County is $73,854, 9% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 33.8%, 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 41 for oil change and quick-lube shops (lower middle), #329 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.