Observations

Sep 2025: 307.944

Updated: Oct 24, 2025 8:05 AM CDT

Units:

Index 1982-1984=100,

Not Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

Consumer Price Index for All Urban Consumers: All items less food and energy in Chicago-Gary-Kenosha, IL-IN-WI (CMSA)	2011-10-19	2018-02-13
Consumer Price Index for All Urban Consumers: All items less food and energy in Chicago-Naperville-Elgin, IL-IN-WI (CBSA)	2018-02-14	2019-09-11
Consumer Price Index for All Urban Consumers: All Items Less Food and Energy in Chicago-Naperville-Elgin, IL-IN-WI (CBSA)	2019-09-12	2025-10-24

Source

U.S. Bureau of Labor Statistics	2011-10-19	2025-10-24

Release

Consumer Price Index	2011-10-19	2025-10-24

Units

Index 1982-1984=100	2011-10-19	2025-10-24

Frequency

Monthly	2011-10-19	2025-10-24

Seasonal Adjustment

Not Seasonally Adjusted	2011-10-19	2025-10-24

Release Tables

Consumer Price Index