Groundwork

Auto · County · Illinois

Collision repair and body shops in Mercer County, IL

How Mercer County, IL compares with other counties and the U.S. for collision repair and body shops: competitors, household spending, official counts and growth.

Groundwork market score

Not scored

The score needs at least 5 listings; this market has 2.

Listings
2
0 chain locations (0%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$8.2M
On vehicle maintenance and repairs · $1,243 a household
Spending per listing
$4.1M
Too few listings to compare
Listings per 10k households
3.0
Too few listings to compare
Population, 2025
15,229
−2.6% since 2020

See the collision repair and body shops around any address in Mercer County

The site report maps the collision repair and body 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 Mercer 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

Map listings as of September 2026 show 2 collision repair and body shops in Mercer County. That is 3.0 per 10,000 households.

At $1,243 per household (30% above the U.S. average), households in Mercer County spend about $8.2M a year on vehicle maintenance and repairs. That is about $4.1M of household spending for each shop on map listings. That spending covers all vehicle maintenance and repairs, which collision repair and body shops share with other businesses in the trade.

There is no official count of businesses with payroll classed as automotive body, paint and interior repair in Mercer County: counts under 3 aren’t published.

Population estimates put the population change in Mercer County from 2020 to 2025 at −2.6%, against +3.1% for the U.S. With 2 collision repair and body shops on map listings, Mercer County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.

How Mercer 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 collision repair and body 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.

Collision repair and body shops in Mercer County, IL compared with Illinois and the U.S.
MeasureMercer CountyIllinoisU.S.
Listings per 10k households3.03.23.1
Spending per listing$4.1M$3M$3.1M
Households per official establishmentn/a3,2833,689
Official establishment growth, 2019–2023n/a−5.8%−0.8%
Population growth, 2020–2025−2.6%−0.6%+3.1%
Spending per household on vehicle maintenance and repairs$1,243$975$958
Median household income$74,182$83,390$80,734
Groundwork market scoreNot scored33

Official counts and lending

Businesses

Official establishments, 2019 to 2023
n/a
Employees, 2023
n/a
Annual payroll, 2023
n/a
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
20 chain locations
Listings at the U.S. rate for this spending
3The 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 body, paint and interior repair in Mercer 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 Mercer County

Population, 2025 estimate
15,229−2.6% since 2020
Households
6,565
Median age
43.9
Homes lived in by their owners
84%
Vehicles per household
2.2
Land area
561 sq. mi.
People per square mile
28
Median household income
$74,182+24.1% vs. 2015–2019, before inflation
Average household income
$92,846
Median home value
$146,700
Jobs located here
3,052
Daytime population
11,354Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Mercer 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 collision repair and body shops on map listings by name and distance.

Or open the report at the center of Mercer County. Signed out, you see a blurred preview; on an account, each report is one action.

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Collision repair and body shops across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for collision repair and body shops, numbered among those based in Illinois, with Mercer County marked.

Top counties in Illinois

Counties in Illinois ranked for collision repair and body shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Kendall County, IL8381.8$7.3M+9.9%#39 of 1,327
2Boone County, IL7652.6$4.7M+0.4%#115 of 1,327
3McLean County, IL64182.6$4M+0.1%#331 of 1,327
4Kane County, IL64583.1$3.9M+1.8%#334 of 1,327
5Grundy County, IL6362.9$4.2M+2.9%#362 of 1,327
6DeKalb County, IL60123.0$3.4M+1.5%#433 of 1,327
7Lake County, IL59893.4$3.5M+0.8%#451 of 1,327
8Champaign County, IL57202.3$3.8M+1.8%#500 of 1,327
9Rock Island County, IL57172.8$3.5M−1.7%#504 of 1,327
10McHenry County, IL55463.9$3.2M+2.5%#545 of 1,327
Mercer County, ILNot scored23.0$4.1M−2.6%

Other business types in Mercer County

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

Questions

How many collision repair and body shops are in Mercer County, IL?

There are 2 collision repair and body shops on map listings in Mercer County as of September 2026. The listings count collision repair and auto body shops. No official count is published for automotive body, paint and interior repair in Mercer County: counts under 3 are left out.

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

About $8.2M a year, or $1,243 per household. That is 30% above the U.S. average (an index of 130, where 100 is the U.S. average). Spread across the 2 collision repair and body shops on map listings, it comes to $4.1M per shop. The spending figure covers all vehicle maintenance and repairs, not only collision repair and body shops. It is estimated from the incomes of the 6,565 households in Mercer County and national spending patterns by income.

How does Mercer County, IL compare with the U.S. for collision repair and body shops?

Mercer County has 2 collision repair and body shops on map listings, too few for a steady comparison with the U.S. rate. At the national ratio of collision repair and body shops to household spending, Mercer County would have about 3, against 2 on map listings.

How fast is Mercer County, IL growing?

Population estimates put Mercer County at 15,229 people in 2025, down 2.6% since 2020, against +3.1% for the U.S. It has 6,565 households. The median household income in Mercer County is $74,182 a year, 8% below the U.S. median of $80,734. That rose 24.1% 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. Mercer County has no market score for collision repair and body shops: the score needs at least 5 on map listings, and it has 2.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Mercer County. It maps the collision repair and body 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 collision repair and body shops · All 56 business types in Mercer County

Screening a site or an acquisition in Mercer 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 Mercer 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.