Groundwork

Auto · County · Illinois

Auto repair and car care businesses in Monroe County, IL

How Monroe 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 59 out of 100: Upper middle

Ranked #771 of 2,401 scored counties
#19 of 87 scored counties in Illinois

Listings
51
21 chain locations (41%)
Official establishments
26
0.0% since 2019
Household spending a year
$17.4M
On vehicle maintenance and repairs · $1,254 a household
Spending per listing
$341K
27% above the U.S.
Listings per 10k households
36.8
3% above the U.S.
Population, 2025
34,840
−0.3% since 2020

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

Households in Monroe County spend about $17.4M a year on vehicle maintenance and repairs, or $1,254 per household, 31% above the U.S. average. That works out to $341K per business, 27% above the U.S. figure of $269K.

Monroe County has 51 auto repair and car care businesses on map listings as of September 2026. Chain locations make up 41% of them, against 24% across the U.S. That is 36.8 per 10,000 households, 3% above the U.S. rate of 35.7.

The official count of businesses with payroll classed as automotive repair and maintenance, and tire dealers in Monroe County was 26 in 2023, unchanged from 2019. That is one for every 533 households, against one for every 681 across the U.S. Official counts list 27 one-person businesses without payroll.

Between 2020 and 2025, the population of Monroe County declined 0.3%, against +3.1% for the U.S. Monroe County scores 59 (upper middle) on the Groundwork market score for auto repair and car care businesses, ranking #771 of 2,401 scored counties and #19 of 87 scored counties in Illinois.

How Monroe 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 Monroe County, IL compared with Illinois and the U.S.
MeasureMonroe CountyIllinoisU.S.
Listings per 10k households36.833.135.7
Spending per listing$341K$294K$269K
Households per official establishment533626681
Official establishment growth, 2019–20230.0%+2.0%+4.1%
Population growth, 2020–2025−0.3%−0.6%+3.1%
Spending per household on vehicle maintenance and repairs$1,254$975$958
Median household income$102,880$83,390$80,734
Groundwork market score5944

Official counts and lending

Businesses

Official establishments, 2019 to 2023
26 → 260.0% over the period
Employees, 2023
134
Annual payroll, 2023
$7.1M
One-person businesses, 2023
27Businesses with no payroll
Map listings, September 2026
5121 chain locations
Listings at the U.S. rate for this spending
65The 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 Monroe 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 Monroe County

Population, 2025 estimate
34,840−0.3% since 2020
Households
13,851
Median age
43.5
Homes lived in by their owners
85%
Vehicles per household
2.1
Land area
385 sq. mi.
People per square mile
91
Median household income
$102,880+20.0% vs. 2015–2019, before inflation
Average household income
$123,402
Median home value
$282,100
Jobs located here
9,117
Daytime population
25,946Residents who don’t work, plus everyone whose job is here

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

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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 Monroe 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
19Monroe County, IL595136.8$341K−0.3%#771 of 2,401

Other business types in Monroe 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 Monroe County, IL?

Map listings as of September 2026 show 51 auto repair and car care businesses in Monroe County. 21 of them (41%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 26 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, unchanged from 2019. Official counts also show 27 one-person businesses without payroll.

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

About $17.4M a year, or $1,254 per household. That is 31% above the U.S. average (an index of 131, where 100 is the U.S. average). Spread across the 51 auto repair and car care businesses on map listings, it comes to $341K per business. It is estimated from the incomes of the 13,851 households in Monroe County and national spending patterns by income.

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

Monroe County has 36.8 auto repair and car care businesses per 10,000 households, 3% above the U.S. rate of 35.7. Spending per business is $341K, 27% above the U.S. figure of $269K. At the U.S. ratio of auto repair and car care businesses to household spending, Monroe County would have about 65, against 51 on map listings. There is one business with payroll in the industry for every 533 households, against one for every 681 across the U.S. The official count held level from 2019 to 2023, against +4.1% for the U.S.

How fast is Monroe County, IL growing?

Population estimates put Monroe County at 34,840 people in 2025, down 0.3% since 2020, against +3.1% for the U.S. It has 13,851 households. The median household income in Monroe County is $102,880 a year, 27% above the U.S. median of $80,734. That rose 20.0% 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. Monroe County scores 59 for auto repair and car care businesses (upper middle), #771 of 2,401 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Monroe 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 Monroe 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.