Observations

Sep 2025: 109.850

Updated: Oct 24, 2025 8:05 AM CDT

Units:

Index Dec 2009=100,

Not Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

Consumer Price Index for All Urban Consumers: Education and communication services in Chicago-Gary-Kenosha, IL-IN-WI (CMSA)	2011-10-19	2018-02-13
Consumer Price Index for All Urban Consumers: Education and communication services in Chicago-Naperville-Elgin, IL-IN-WI (CBSA)	2018-02-14	2019-09-11
Consumer Price Index for All Urban Consumers: Education and Communication Services 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 Dec 2009=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