Observations

Sep 2026: 393.798

Updated: Oct 14, 2026 8:07 AM CDT

Units:

Index Dec 1982=100,

Not Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

Consumer Price Index for All Urban Consumers: Services less rent of shelter in Chicago-Gary-Kenosha, IL-IN-WI (CMSA)	2011-10-19	2018-02-13
Consumer Price Index for All Urban Consumers: Services less rent of shelter in Chicago-Naperville-Elgin, IL-IN-WI (CBSA)	2018-02-14	2019-09-11
Consumer Price Index for All Urban Consumers: Services Less Rent of Shelter in Chicago-Naperville-Elgin, IL-IN-WI (CBSA)	2019-09-12	2026-10-14

Source

U.S. Bureau of Labor Statistics	2011-10-19	2026-10-14

Release

Consumer Price Index	2011-10-19	2026-10-14

Units

Index Dec 1982=100	2011-10-19	2026-10-14

Frequency

Monthly	2011-10-19	2026-10-14

Seasonal Adjustment

Not Seasonally Adjusted	2011-10-19	2026-10-14

Release Tables

Consumer Price Index