Groundwork

Groceries and convenience · County · Illinois

Grocery stores in Grundy County, IL

Competitor counts, household spending and official business counts for grocery stores in Grundy County, IL, set against other counties and the U.S.

Groundwork market score · out of 100

Score 83 out of 100: High

Ranked #133 of 2,070 scored counties
#2 of 67 scored counties in Illinois

Listings
9
8 chain locations (89%)
Official establishments
6
Businesses with payroll, 2023
Household spending a year
$132.8M
On groceries · $6,450 a household
Spending per listing
$14.8M
59% above the U.S.
Listings per 10k households
4.4
35% below the U.S.
Population, 2025
54,052
+2.9% since 2020

See the grocery stores around any address in Grundy County

The site report maps the grocery stores 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 Grundy 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

The Groundwork market score for grocery stores in Grundy County is 83 (high), #133 of 2,070 scored counties and #2 of 67 scored counties in Illinois. That puts it in the top 10% of counties for grocery stores.

At $6,450 per household (2% above the U.S. average), households in Grundy County spend about $132.8M a year on groceries. That is about $14.8M of household spending for each store on map listings, 59% above the U.S. figure of $9.3M. The spending figure covers all groceries, not only grocery stores.

Grundy County has 9 grocery stores on map listings as of September 2026. Chain locations make up 89% of them, against 37% across the U.S. Per 10,000 households, that is 4.4, 35% below the U.S. rate of 6.8.

The official count of businesses with payroll classed as supermarkets and grocery stores in Grundy County was 6 in 2023. That is one for every 3,433 households, against one for every 2,053 across the U.S. Between 2020 and 2025, the population of Grundy County grew 2.9%, in step with the U.S. (+3.1%).

How Grundy County compares

The same measures for Illinois and the whole U.S. Spending per listing divides a year of household spending on all groceries by the grocery stores counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Grocery stores in Grundy County, IL compared with Illinois and the U.S.
MeasureGrundy CountyIllinoisU.S.
Listings per 10k households4.46.16.8
Spending per listing$14.8M$10.4M$9.3M
Households per official establishment3,4331,9032,053
Official establishment growth, 2019–2023n/a+2.4%0.0%
Population growth, 2020–2025+2.9%−0.6%+3.1%
Spending per household on groceries$6,450$6,290$6,319
Median household income$92,235$83,390$80,734
Groundwork market score8345

Official counts and lending

Businesses

Official establishments, 2019 to 2023
4 → 6
Employees, 2023
509
Annual payroll, 2023
$14.1M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
98 chain locations
Listings at the U.S. rate for this spending
14The 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 supermarkets and grocery stores in Grundy 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 Grundy County

Population, 2025 estimate
54,052+2.9% since 2020
Households
20,595
Median age
39.5
Homes lived in by their owners
74%
Vehicles per household
2.1
Land area
418 sq. mi.
People per square mile
127
Median household income
$92,235+19.2% vs. 2015–2019, before inflation
Average household income
$111,828
Median home value
$271,700
Jobs located here
22,659
Daytime population
48,130Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Grundy 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 grocery stores on map listings by name and distance.

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

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Grocery stores across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for grocery stores, numbered among those based in Illinois, with Grundy County marked.

Top counties in Illinois

Counties in Illinois ranked for grocery stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Kendall County, IL92153.3$20.8M+9.9%#34 of 2,070
2Grundy County, IL8394.4$14.8M+2.9%#133 of 2,070
3Monroe County, IL7953.6$18.5M−0.3%#208 of 2,070
4Boone County, IL7773.6$17.5M+0.4%#239 of 2,070
5McHenry County, IL76484.1$16.5M+2.5%#264 of 2,070
6Williamson County, IL7593.1$18.6M+0.2%#285 of 2,070
7Will County, IL741204.9$13.9M+2.2%#310 of 2,070
8Tazewell County, IL71254.6$13.2M−0.9%#369 of 2,070
9DeKalb County, IL68194.8$12.4M+1.5%#452 of 2,070
10Kane County, IL671045.6$12M+1.8%#479 of 2,070

Other business types in Grundy County

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

Questions

How many grocery stores are in Grundy County, IL?

Map listings as of September 2026 show 9 grocery stores in Grundy County. 8 of them (89%) are chain locations. The listings count grocery stores and supermarkets. Official counts show 6 businesses with payroll classed as supermarkets and grocery stores in 2023.

How much do households in Grundy County, IL spend on groceries?

About $132.8M a year, or $6,450 per household. That is 2% above the U.S. average (an index of 102, where 100 is the U.S. average). Spread across the 9 grocery stores on map listings, it comes to $14.8M per store. That spending covers all groceries, which grocery stores share with other businesses in the trade. It is estimated from the incomes of the 20,595 households in Grundy County and national spending patterns by income.

How does Grundy County, IL compare with the U.S. for grocery stores?

Grundy County has 4.4 grocery stores per 10,000 households, 35% below the U.S. rate of 6.8. Spending per store is $14.8M, 59% above the U.S. figure of $9.3M. At the U.S. ratio of grocery stores to household spending, Grundy County would have about 14, against 9 on map listings. There is one business with payroll in the industry for every 3,433 households, against one for every 2,053 across the U.S.

How fast is Grundy County, IL growing?

Population estimates put Grundy County at 54,052 people in 2025, up 2.9% since 2020, in step with the U.S. (+3.1%). It has 20,595 households. The median household income in Grundy County is $92,235 a year, 14% above the U.S. median of $80,734. That rose 19.2% 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. Grundy County scores 83 for grocery stores (high), #133 of 2,070 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Grundy County. It maps the grocery stores 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 grocery stores · All 56 business types in Grundy County

Screening a site or an acquisition in Grundy 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 Grundy 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.