Groundwork

Auto · County · Illinois

Auto repair shops in Monroe County, IL

The auto repair shops in Monroe County, IL, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 57 out of 100: Upper middle

Ranked #838 of 2,378 scored counties
#21 of 87 scored counties in Illinois

Listings
30
9 chain locations (30%)
Official establishments
21
−8.7% since 2019
Household spending a year
$17.4M
On vehicle maintenance and repairs · $1,254 a household
Spending per listing
$579K
30% above the U.S.
Listings per 10k households
21.7
In line with the U.S.
Population, 2025
34,840
−0.3% since 2020

See the auto repair shops around any address in Monroe 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 Monroe 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

Map listings as of September 2026 show 30 auto repair shops in Monroe County. Of those, 9 are chain locations, or 30%, against 16% across the U.S. Per 10,000 households, that is 21.7, in line with the U.S. rate of 21.5.

Household spending on vehicle maintenance and repairs in Monroe County comes to about $17.4M a year: $1,254 per household, 31% above the U.S. average. That is about $579K of household spending for each shop on map listings, 30% above 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 Monroe County was 21 in 2023, down 8.7% from 2019. That is one for every 660 households, against one for every 955 across the U.S. Official counts also show 21 one-person businesses without payroll.

Population estimates show Monroe County declined 0.3% from 2020 to 2025, against +3.1% for the U.S. Monroe County scores 57 (upper middle) on the Groundwork market score for auto repair shops, ranking #838 of 2,378 scored counties and #21 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 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.

Auto repair shops in Monroe County, IL compared with Illinois and the U.S.
MeasureMonroe CountyIllinoisU.S.
Listings per 10k households21.720.321.5
Spending per listing$579K$479K$445K
Households per official establishment660840955
Official establishment growth, 2019–2023−8.7%−1.1%+2.1%
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 score5738

Official counts and lending

Businesses

Official establishments, 2019 to 2023
23 → 21−8.7% over the period
Employees, 2023
100
Annual payroll, 2023
$6.1M
One-person businesses, 2023
21Businesses with no payroll
Map listings, September 2026
309 chain locations
Listings at the U.S. rate for this spending
39The 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 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 shops 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 shops across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for auto repair shops, numbered among those based in Illinois, with Monroe County marked.

Top counties in Illinois

Counties in Illinois ranked for auto repair shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Kendall County, IL827817.2$752K+9.9%#78 of 2,378
2Piatt County, IL76913.0$994K+0.6%#182 of 2,378
3Woodford County, IL702215.0$818K−0.8%#330 of 2,378
4Marshall County, IL70815.7$743K−2.0%#332 of 2,378
5Boone County, IL694020.6$583K+0.4%#375 of 2,378
6Menard County, IL68815.3$725K−3.3%#401 of 2,378
7Crawford County, IL671824.0$475K+0.1%#477 of 2,378
8Jersey County, IL651620.1$599K−1.5%#517 of 2,378
9Greene County, IL64818.0$648K−5.1%#550 of 2,378
10Douglas County, IL631114.2$781K+0.5%#588 of 2,378
21Monroe County, IL573021.7$579K−0.3%#838 of 2,378

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 shops are in Monroe County, IL?

There are 30 auto repair shops on map listings in Monroe County as of September 2026. 9 of them (30%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 21 businesses with payroll classed as mechanical, body and glass repair in 2023, down 8.7% from 2019. Another 21 one-person businesses have no payroll, by official counts.

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 30 auto repair shops on map listings, it comes to $579K per shop. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops. 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 shops?

Monroe County has 21.7 auto repair shops per 10,000 households, in line with the U.S. rate of 21.5. Spending per shop is $579K, 30% above the U.S. figure of $445K. At the national ratio of auto repair shops to household spending, Monroe County would have about 39, against 30 on map listings. There is one business with payroll in the industry for every 660 households, against one for every 955 across the U.S. The official count fell 8.7% from 2019 to 2023, against +2.1% 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 57 for auto repair shops (upper middle), #838 of 2,378 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 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 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.