Groundwork

Food and drink · County · Illinois

Sit-down restaurants in Knox County, IL

How Knox County, IL compares with other counties and the U.S. for sit-down restaurants: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 35 out of 100: Lower middle

Ranked #1,822 of 2,405 scored counties
#65 of 87 scored counties in Illinois

Listings
91
29 chain locations (32%)
Official establishments
39
−9.3% since 2019
Household spending a year
$68.9M
On food away from home · $3,287 a household
Spending per listing
$758K
14% above the U.S.
Listings per 10k households
43.4
29% below the U.S.
Population, 2025
47,767
−4.1% since 2020

See the sit-down restaurants around any address in Knox County

The site report maps the sit-down restaurants 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 Knox 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

The Groundwork market score for sit-down restaurants in Knox County is 35 (lower middle), #1,822 of 2,405 scored counties and #65 of 87 scored counties in Illinois. That puts it in the bottom quarter of counties.

Household spending on food away from home in Knox County comes to about $68.9M a year: $3,287 per household, 19% below the U.S. average. That is about $758K of household spending for each restaurant on map listings, 14% above the U.S. figure of $664K. The spending figure covers all food away from home, not only sit-down restaurants.

There are 91 sit-down restaurants on map listings in Knox County as of September 2026. Of those, 29 are chain locations, or 32%, against 29% across the U.S. That is 43.4 per 10,000 households, 29% below the U.S. rate of 61.3.

In 2023, official counts showed 39 businesses with payroll in Knox County classed as full-service restaurants, down 9.3% from 2019. That is one for every 538 households, against one for every 500 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $150K has gone to businesses classed as full-service restaurants in Knox County. Between 2020 and 2025, the population of Knox County declined 4.1%, against +3.1% for the U.S.

How Knox 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 sit-down restaurants counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Sit-down restaurants in Knox County, IL compared with Illinois and the U.S.
MeasureKnox CountyIllinoisU.S.
Listings per 10k households43.462.061.3
Spending per listing$758K$680K$664K
Households per official establishment538507500
Official establishment growth, 2019–2023−9.3%+0.4%+1.5%
Population growth, 2020–2025−4.1%−0.6%+3.1%
Spending per household on food away from home$3,287$4,215$4,070
Median household income$57,030$83,390$80,734
Groundwork market score3541

Official counts and lending

Businesses

Official establishments, 2019 to 2023
43 → 39−9.3% over the period
Employees, 2023
497
Annual payroll, 2023
$10M
One-person businesses, 2023
7Businesses with no payroll
Map listings, September 2026
9129 chain locations
Listings at the U.S. rate for this spending
104The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$150K

SBA-backed loans to businesses classed as full-service restaurants in Knox 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 Knox County

Population, 2025 estimate
47,767−4.1% since 2020
Households
20,972
Median age
42.6
Homes lived in by their owners
71%
Vehicles per household
1.7
Land area
716 sq. mi.
People per square mile
68
Median household income
$57,030+29.2% vs. 2015–2019, before inflation
Average household income
$74,560
Median home value
$111,900
Jobs located here
15,910
Daytime population
44,318Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Knox 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 sit-down restaurants on map listings by name and distance.

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

Free10 actions over 3 days, no card

Sit-down restaurants across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for sit-down restaurants, numbered among those based in Illinois, with Knox County marked.

Top counties in Illinois

Counties in Illinois ranked for sit-down restaurants by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Kendall County, IL8120745.6$1.1M+9.9%#114 of 2,405
2Boone County, IL787538.5$1.1M+0.4%#162 of 2,405
3Menard County, IL751426.8$1.5M−3.3%#231 of 2,405
4Piatt County, IL742739.0$1.1M+0.6%#263 of 2,405
5Woodford County, IL705839.5$1.1M−0.8%#365 of 2,405
6Will County, IL701,30753.5$898K+2.2%#382 of 2,405
7McHenry County, IL6754846.6$1M+2.5%#452 of 2,405
8Moultrie County, IL622746.4$801K−0.8%#676 of 2,405
9Monroe County, IL606446.2$1M−0.3%#729 of 2,405
10Cumberland County, IL601638.3$955K−2.1%#730 of 2,405
65Knox County, IL359143.4$758K−4.1%#1,822 of 2,405

Other business types in Knox County

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

Questions

How many sit-down restaurants are in Knox County, IL?

As of September 2026, map listings count 91 sit-down restaurants in Knox County. 29 of them (32%) are chain locations. The listings count restaurants of every cuisine, pizza included. Official counts show 39 businesses with payroll classed as full-service restaurants in 2023, down 9.3% from 2019. Official counts also show 7 one-person businesses without payroll.

How much do households in Knox County, IL spend on food away from home?

About $68.9M a year, or $3,287 per household. That is 19% below the U.S. average (an index of 81, where 100 is the U.S. average). Spread across the 91 sit-down restaurants on map listings, it comes to $758K per restaurant. That spending covers all food away from home, which sit-down restaurants share with other businesses in the trade. It is estimated from the incomes of the 20,972 households in Knox County and national spending patterns by income.

How does Knox County, IL compare with the U.S. for sit-down restaurants?

Knox County has 43.4 sit-down restaurants per 10,000 households, 29% below the U.S. rate of 61.3. Spending per restaurant is $758K, 14% above the U.S. figure of $664K. At the U.S. ratio of sit-down restaurants to household spending, Knox County would have about 104, against 91 on map listings. There is one business with payroll in the industry for every 538 households, against one for every 500 across the U.S. The official count fell 9.3% from 2019 to 2023, against +1.5% for the U.S.

How fast is Knox County, IL growing?

Population estimates put Knox County at 47,767 people in 2025, down 4.1% since 2020, against +3.1% for the U.S. It has 20,972 households. Median household income in Knox County is $57,030, 29% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.2%, 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. Knox County scores 35 for sit-down restaurants (lower middle), #1,822 of 2,405 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Knox County. It maps the sit-down restaurants 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 sit-down restaurants · All 56 business types in Knox County

Screening a site or an acquisition in Knox 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 Knox 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.