Illinois Grocery Prices
Cost index vs national average · Source: BLS CPI · Updated monthly
Cost Index
105
National avg = 100
vs National Average
+5% above avg
📊 Near national average
Key Grocery Items — National Averages
🥚
Eggs (doz)
$4.82
↑ +12%
🥛
Milk (gal)
$3.94
↑ +3%
🍞
Bread (loaf)
$3.98
↑ +5%
🥩
Ground Beef
$5.43
↑ +8%
🐔
Chicken (lb)
$2.11
↓ -1%
🧈
Butter (lb)
$5.11
↑ +15%
BLS CPI data · Updated monthly · Illinois prices may vary ±5%
Illinois Grocery Prices — FAQ
How do grocery prices in Illinois compare to the national average?
Illinois grocery prices are close to the national average. The state benefits from competitive retail markets and reasonable distribution costs.
What groceries are most expensive in Illinois?
Across the US — including Illinois — the items that have seen the steepest price increases include eggs (up over 100% since 2021 due to avian flu), beef (+25%), and butter (+30%). Fresh produce prices also vary significantly by season and supply chain conditions.
Does Illinois have a grocery tax?
Most states exempt groceries from sales tax, though policies vary. States like Alabama, Mississippi, and South Dakota still charge sales tax on food. Check your state's department of revenue for the exact rules — some states tax prepared food differently from unprepared staples.
What is the cheapest grocery store in Illinois?
Studies consistently rank Aldi and Lidl as the cheapest major grocery chains, typically 15–25% below average. Walmart and Walmart Neighborhood Market are also consistently low-priced. Warehouse clubs like Costco and Sam's Club offer the best per-unit prices on bulk items. Check our store comparison guide for a full breakdown.
How much does the average family spend on groceries in Illinois?
The USDA estimates the average American family of four spends $1,100–$1,500/month on groceries depending on eating habits. In Illinois, costs tend to be closer to or below the national average. Cooking at home vs. buying prepared foods is the biggest single variable.