Groundwork

Auto · County · Illinois

Auto repair and car care businesses in Cook County, IL

How Cook County, IL compares with other counties and the U.S. for auto repair and car care businesses: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 45 out of 100: Lower middle

Ranked #1,407 of 2,401 scored counties
#48 of 87 scored counties in Illinois

Listings
5,571
1,267 chain locations (23%)
Official establishments
2,889
+2.2% since 2019
Household spending a year
$1.7B
On vehicle maintenance and repairs · $800 a household
Spending per listing
$302K
12% above the U.S.
Listings per 10k households
26.5
26% below the U.S.
Population, 2025
5,194,625
−1.3% since 2020

See the auto repair and car care businesses around any address in Cook 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 Cook 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

As of September 2026, map listings count 5,571 auto repair and car care businesses in Cook County. 1,267 of them (23%) are chain locations, against 24% across the U.S. Per 10,000 households, that is 26.5, 26% below the U.S. rate of 35.7.

Household spending on vehicle maintenance and repairs in Cook County comes to about $1.7B a year: $800 per household, 17% below the U.S. average. That works out to $302K per business, 12% above the U.S. figure of $269K.

Official counts show 2,889 businesses with payroll classed as automotive repair and maintenance, and tire dealers in Cook County in 2023, up 2.2% from 2019. That is one for every 727 households, against one for every 681 across the U.S. Another 5,184 one-person businesses have no payroll, by official counts. Since fiscal 2022, 153 SBA-backed loans worth $97.8M have gone to businesses classed as automotive repair and maintenance, and tire dealers in Cook County.

Population estimates put the population change in Cook County from 2020 to 2025 at −1.3%, against +3.1% for the U.S. For auto repair and car care businesses, Cook County has a Groundwork market score of 45 (lower middle): #1,407 of 2,401 scored counties and #48 of 87 scored counties in Illinois.

How Cook 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 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.

Auto repair and car care in Cook County, IL compared with Illinois and the U.S.
MeasureCook CountyIllinoisU.S.
Listings per 10k households26.533.135.7
Spending per listing$302K$294K$269K
Households per official establishment727626681
Official establishment growth, 2019–2023+2.2%+2.0%+4.1%
Population growth, 2020–2025−1.3%−0.6%+3.1%
Spending per household on vehicle maintenance and repairs$800$975$958
Median household income$83,498$83,390$80,734
Groundwork market score4544

Official counts and lending

Businesses

Official establishments, 2019 to 2023
2,826 → 2,889+2.2% over the period
Employees, 2023
16,594
Annual payroll, 2023
$881.9M
One-person businesses, 2023
5,184Businesses with no payroll
Map listings, September 2026
5,5711,267 chain locations
Listings at the U.S. rate for this spending
6,254The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
153
Amount
$97.8M

SBA-backed loans to businesses classed as automotive repair and maintenance, and tire dealers in Cook 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 Cook County

Population, 2025 estimate
5,194,625−1.3% since 2020
Households
2,100,230
Median age
39.2
Homes lived in by their owners
58%
Vehicles per household
1.4
Land area
945 sq. mi.
People per square mile
5,484
Median household income
$83,498+29.1% vs. 2015–2019, before inflation
Average household income
$120,729
Median home value
$324,500
Jobs located here
2,683,238
Daytime population
5,468,881Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Cook 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 Cook County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Auto repair and car care across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for auto repair and car care businesses, numbered among those based in Illinois, with Cook County marked.

Top counties in Illinois

Counties in Illinois ranked for auto repair and car care businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Piatt County, IL831521.7$597K+0.6%#73 of 2,401
2Kendall County, IL8213329.3$441K+9.9%#91 of 2,401
3Greene County, IL741227.0$432K−5.1%#243 of 2,401
4Marshall County, IL731733.4$349K−2.0%#273 of 2,401
5Woodford County, IL724732.0$383K−0.8%#294 of 2,401
6Boone County, IL726935.5$338K+0.4%#303 of 2,401
7Crawford County, IL712837.4$306K+0.1%#346 of 2,401
8Lawrence County, IL661425.6$403K−9.7%#487 of 2,401
9Menard County, IL651426.8$414K−3.3%#519 of 2,401
10Lake County, IL6586233.4$356K+0.8%#524 of 2,401
48Cook County, IL455,57126.5$302K−1.3%#1,407 of 2,401

Other business types in Cook County

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

Questions

How many auto repair and car care businesses are in Cook County, IL?

Cook County has 5,571 auto repair and car care businesses on map listings as of September 2026. 1,267 of them (23%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 2,889 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, up 2.2% from 2019. Official counts list 5,184 one-person businesses without payroll.

How much do households in Cook County, IL spend on vehicle maintenance and repairs?

About $1.7B a year, or $800 per household. That is 17% below the U.S. average (an index of 83, where 100 is the U.S. average). Spread across the 5,571 auto repair and car care businesses on map listings, it comes to $302K per business. It is estimated from the incomes of the 2,100,230 households in Cook County and national spending patterns by income.

How does Cook County, IL compare with the U.S. for auto repair and car care businesses?

Cook County has 26.5 auto repair and car care businesses per 10,000 households, 26% below the U.S. rate of 35.7. Spending per business is $302K, 12% above the U.S. figure of $269K. At the national ratio of auto repair and car care businesses to household spending, Cook County would have about 6,254, against 5,571 on map listings. There is one business with payroll in the industry for every 727 households, against one for every 681 across the U.S. The official count rose 2.2% from 2019 to 2023, against +4.1% for the U.S.

How fast is Cook County, IL growing?

Population estimates put Cook County at 5,194,625 people in 2025, down 1.3% since 2020, against +3.1% for the U.S. It has 2,100,230 households. Median household income in Cook County is $83,498, 3% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.1%, 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. Cook County scores 45 for auto repair and car care businesses (lower middle), #1,407 of 2,401 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Cook 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 Cook County

Screening a site or an acquisition in Cook 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 Cook 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.