Groceries and convenience · County · Illinois
Convenience stores in Williamson County, IL
Competitor counts, household spending and official business counts for convenience stores in Williamson County, IL, set against other counties and the U.S.
Groundwork market score · out of 100
Score 55 out of 100: Upper middle
Ranked #927 of 2,261 scored counties
#33 of 72 scored counties in Illinois
- Listings
- 23
- 15 chain locations (65%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $167.7M
- On groceries · $5,785 a household
- Spending per listing
- $7.3M
- 7% below the U.S.
- Listings per 10k households
- 7.9
- In line with the U.S.
- Population, 2025
- 67,225
- +0.2% since 2020
See the convenience stores around any address in Williamson County
The site report maps the convenience 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 Williamson County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
Households in Williamson County spend about $167.7M a year on groceries, or $5,785 per household, 8% below the U.S. average. That works out to $7.3M per store, 7% below the U.S. figure of $7.9M. The spending figure covers all groceries, not only convenience stores.
There are 23 convenience stores on map listings in Williamson County as of September 2026. 15 of them (65%) are chain locations, against 60% across the U.S. That comes to 7.9 for every 10,000 households, in line with the U.S. rate of 8.0.
Official counts don’t publish a figure for convenience stores in Williamson County, since they leave out counts under 3.
Between 2020 and 2025, the population of Williamson County grew 0.2%, slower than the U.S. (+3.1%). For convenience stores, Williamson County has a Groundwork market score of 55 (upper middle): #927 of 2,261 scored counties and #33 of 72 scored counties in Illinois.
How Williamson 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 convenience 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.
| Measure | Williamson County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 7.9 | 5.5 | 8.0 |
| Spending per listing | $7.3M | $11.5M | $7.9M |
| Households per official establishment | n/a | 5,960 | 3,493 |
| Official establishment growth, 2019–2023 | n/a | +13.1% | +22.0% |
| Population growth, 2020–2025 | +0.2% | −0.6% | +3.1% |
| Spending per household on groceries | $5,785 | $6,290 | $6,319 |
| Median household income | $65,604 | $83,390 | $80,734 |
| Groundwork market score | 55 | 62 |
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
- 2315 chain locations
- Listings at the U.S. rate for this spending
- 21The 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 convenience stores in Williamson 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 Williamson County
- Population, 2025 estimate
- 67,225+0.2% since 2020
- Households
- 28,983
- Median age
- 42.8
- Homes lived in by their owners
- 71%
- Vehicles per household
- 1.8
- Land area
- 420 sq. mi.
- People per square mile
- 159
- Median household income
- $65,604+29.3% vs. 2015–2019, before inflation
- Average household income
- $85,846
- Median home value
- $156,400
- Jobs located here
- 28,604
- Daytime population
- 68,042Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Williamson 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 convenience stores on map listings by name and distance.
Or open the report at the center of Williamson County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardConvenience stores across Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for convenience stores, numbered among those based in Illinois, with Williamson County marked.
Top counties in Illinois
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Kendall County, IL | 96 | 18 | 4.0 | $17.3M | +9.9% | #4 of 2,261 |
| 2Lake County, IL | 86 | 106 | 4.1 | $16.9M | +0.8% | #79 of 2,261 |
| 3McHenry County, IL | 85 | 57 | 4.8 | $13.9M | +2.5% | #86 of 2,261 |
| 4Will County, IL | 85 | 136 | 5.6 | $12.3M | +2.2% | #89 of 2,261 |
| 5Kane County, IL | 83 | 99 | 5.4 | $12.6M | +1.8% | #116 of 2,261 |
| 6DuPage County, IL | 78 | 173 | 4.9 | $14.1M | +0.3% | #210 of 2,261 |
| 7McLean County, IL | 78 | 40 | 5.7 | $10.8M | +0.1% | #218 of 2,261 |
| 8DeKalb County, IL | 78 | 22 | 5.6 | $10.7M | +1.5% | #219 of 2,261 |
| 9Boone County, IL | 76 | 8 | 4.1 | $15.3M | +0.4% | #266 of 2,261 |
| 10Woodford County, IL | 75 | 6 | 4.1 | $15.8M | −0.8% | #287 of 2,261 |
| 33Williamson County, IL | 55 | 23 | 7.9 | $7.3M | +0.2% | #927 of 2,261 |
Other business types in Williamson County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
- Grocery and convenience stores74
- Grocery stores75
- Convenience stores55
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many convenience stores are in Williamson County, IL?
As of September 2026, map listings count 23 convenience stores in Williamson County. 15 of them (65%) are chain locations. The listings count convenience stores without fuel. No official count is published for convenience stores in Williamson County: counts under 3 are left out.
How much do households in Williamson County, IL spend on groceries?
About $167.7M a year, or $5,785 per household. That is 8% below the U.S. average (an index of 92, where 100 is the U.S. average). Spread across the 23 convenience stores on map listings, it comes to $7.3M per store. That spending covers all groceries, which convenience stores share with other businesses in the trade. It is estimated from the incomes of the 28,983 households in Williamson County and national spending patterns by income.
How does Williamson County, IL compare with the U.S. for convenience stores?
Williamson County has 7.9 convenience stores per 10,000 households, in line with the U.S. rate of 8.0. Spending per store is $7.3M, 7% below the U.S. figure of $7.9M. At the U.S. ratio of convenience stores to household spending, Williamson County would have about 21, against 23 on map listings.
How fast is Williamson County, IL growing?
Population estimates put Williamson County at 67,225 people in 2025, up 0.2% since 2020, slower than the U.S. (+3.1%). It has 28,983 households. The median household income in Williamson County is $65,604 a year, 19% below the U.S. median of $80,734. That rose 29.3% 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. Williamson County scores 55 for convenience stores (upper middle), #927 of 2,261 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Williamson County. It maps the convenience 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 convenience stores · All 56 business types in Williamson County
Screening a site or an acquisition in Williamson 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 Williamson 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.