Grocery Prices in St. Louis, MO
Updated August 24, 2026 ยท BLS CPI data ยท Weekly basket estimate
Why Grocery Prices in St. Louis Vary
Grocery prices in St. Louis 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, St. Louis grocery prices run slightly above the Missouri statewide average โ urban real estate and operating costs are the primary drivers.
The store you choose matters as much as geography โ Aldi and Walmart consistently undercut traditional supermarkets by 15โ25%, which can swing your weekly bill significantly regardless of where you live in St. Louis.
Frequently Asked Questions
How much does a week of groceries cost in St. Louis?
Grocery prices in St. Louis track the Missouri state average closely. Check the state page for the latest figures.
What are the cheapest grocery stores in St. Louis?
Aldi and Walmart Neighborhood Market consistently rank as the lowest-cost options in most Missouri markets, including St. Louis. For bulk staples, Costco and Sam's Club offer strong per-unit value. Traditional chains like Kroger, Publix, and regional grocers typically run 10โ20% higher on everyday items.
How do St. Louis grocery prices compare to the national average?
St. Louis generally tracks the Missouri state average, which you can compare to all 50 states on our main grocery prices page.