RealInflation

Illinois

IL

Midwest · 2 cities tracked · Updated 2026

State Averages

Avg Gas Price

$4.17

Regular unleaded

Avg Rent

$1,212

All units/mo

Avg COL Index

101

vs. 100 national avg

Cities in Illinois

Chicago

Illinois

COL 120

Gas

$4.17

Rent

$1,497

Food ↑

+2.1%

Springfield

Illinois

COL 82

Gas

$4.17

Rent

$927

Food ↑

+3.3%

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