Groundwork

Food and drink · County · Illinois

Restaurants and cafes in St. Clair County, IL

The restaurants and cafes in St. Clair County, IL, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 51 out of 100: Upper middle

Ranked #1,141 of 2,405 scored counties
#25 of 87 scored counties in Illinois

Listings
986
421 chain locations (43%)
Official establishments
378
0.0% since 2019
Household spending a year
$392.3M
On food away from home · $3,890 a household
Spending per listing
$398K
7% above the U.S.
Listings per 10k households
97.8
11% below the U.S.
Population, 2025
250,708
−2.5% since 2020

See the restaurants and cafes around any address in St. Clair County

The site report maps the restaurants and cafes 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

Household spending on food away from home in St. Clair County comes to about $392.3M a year: $3,890 per household, 4% below the U.S. average. That is about $398K of household spending for each restaurant on map listings, 7% above the U.S. figure of $371K.

St. Clair County has 986 restaurants and cafes on map listings as of September 2026. Of those, 421 are chain locations, or 43%, against 34% across the U.S. That comes to 97.8 for every 10,000 households, 11% below the U.S. rate of 109.8.

The official count of businesses with payroll classed as restaurants and other eating places in St. Clair County was 378 in 2023, unchanged from 2019. That is one for every 267 households, against one for every 209 across the U.S. Official counts also show 98 one-person businesses without payroll. Since fiscal 2022, 24 SBA-backed loans worth $10.6M have gone to businesses classed as restaurants and other eating places in St. Clair County.

Population estimates show St. Clair County declined 2.5% from 2020 to 2025, against +3.1% for the U.S. St. Clair County scores 51 (upper middle) on the Groundwork market score for restaurants and cafes, ranking #1,141 of 2,405 scored counties and #25 of 87 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 food away from home by the restaurants and cafes counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Restaurants and cafes in St. Clair County, IL compared with Illinois and the U.S.
MeasureSt. Clair CountyIllinoisU.S.
Listings per 10k households97.8112.0109.8
Spending per listing$398K$376K$371K
Households per official establishment267216209
Official establishment growth, 2019–20230.0%+3.2%+6.0%
Population growth, 2020–2025−2.5%−0.6%+3.1%
Spending per household on food away from home$3,890$4,215$4,070
Median household income$73,854$83,390$80,734
Groundwork market score5146

Official counts and lending

Businesses

Official establishments, 2019 to 2023
378 → 3780.0% over the period
Employees, 2023
7,982
Annual payroll, 2023
$159.9M
One-person businesses, 2023
98Businesses with no payroll
Map listings, September 2026
986421 chain locations
Listings at the U.S. rate for this spending
1,058The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
24
Amount
$10.6M

SBA-backed loans to businesses classed as restaurants and other eating places 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 restaurants and cafes 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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Restaurants and cafes across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for restaurants and cafes, numbered among those based in Illinois, with St. Clair County marked.

Top counties in Illinois

Counties in Illinois ranked for restaurants and cafes by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Piatt County, IL775883.8$511K+0.6%#207 of 2,405
2Kendall County, IL7538985.7$563K+9.9%#239 of 2,405
3Boone County, IL7515177.6$538K+0.4%#244 of 2,405
4Woodford County, IL7311477.6$560K−0.8%#298 of 2,405
5Menard County, IL723566.9$584K−3.3%#332 of 2,405
6McHenry County, IL671,08191.9$513K+2.5%#476 of 2,405
7Moultrie County, IL654984.2$442K−0.8%#571 of 2,405
8Will County, IL642,43899.8$481K+2.2%#599 of 2,405
9Cumberland County, IL643276.6$478K−2.1%#601 of 2,405
10Monroe County, IL6213396.0$483K−0.3%#666 of 2,405
25St. Clair County, IL5198697.8$398K−2.5%#1,141 of 2,405

Other business types in St. Clair County

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

Questions

How many restaurants and cafes are in St. Clair County, IL?

Map listings as of September 2026 show 986 restaurants and cafes in St. Clair County. 421 of them (43%) are chain locations. The listings count every restaurant, cafe, bar, bakery and food truck. Official counts show 378 businesses with payroll classed as restaurants and other eating places in 2023, unchanged from 2019. Another 98 one-person businesses have no payroll, by official counts.

How much do households in St. Clair County, IL spend on food away from home?

About $392.3M a year, or $3,890 per household. That is 4% below the U.S. average (an index of 96, where 100 is the U.S. average). Spread across the 986 restaurants and cafes on map listings, it comes to $398K per restaurant. 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 restaurants and cafes?

St. Clair County has 97.8 restaurants and cafes per 10,000 households, 11% below the U.S. rate of 109.8. Spending per restaurant is $398K, 7% above the U.S. figure of $371K. At the U.S. ratio of restaurants and cafes to household spending, St. Clair County would have about 1,058, against 986 on map listings. There is one business with payroll in the industry for every 267 households, against one for every 209 across the U.S. The official count held level from 2019 to 2023, against +6.0% for 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 51 for restaurants and cafes (upper middle), #1,141 of 2,405 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 restaurants and cafes 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 restaurants and cafes · 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.