Grocery Prices in Joliet, IL
Updated August 23, 2026 · BLS CPI data · Weekly basket estimate
Why Grocery Prices in Joliet Vary
Grocery prices in Joliet are shaped by local labor costs, store density and competition, regional distribution distances, and the mix of national chains versus local grocers operating in the area. As a larger market, Joliet grocery prices run slightly above the Illinois statewide average — urban real estate and operating costs are the primary drivers.
The store you choose matters as much as geography — Aldi and Walmart consistently undercut traditional supermarkets by 15–25%, which can swing your weekly bill significantly regardless of where you live in Joliet.
Frequently Asked Questions
How much does a week of groceries cost in Joliet?
Grocery prices in Joliet track the Illinois state average closely. Check the state page for the latest figures.
What are the cheapest grocery stores in Joliet?
Aldi and Walmart Neighborhood Market consistently rank as the lowest-cost options in most Illinois markets, including Joliet. For bulk staples, Costco and Sam's Club offer strong per-unit value. Traditional chains like Kroger, Publix, and regional grocers typically run 10–20% higher on everyday items.
How do Joliet grocery prices compare to the national average?
Joliet generally tracks the Illinois state average, which you can compare to all 50 states on our main grocery prices page.