Observations

2025: 103,470.7

Updated: Sep 30, 2026 10:48 AM CDT

Units:

Millions of Dollars,

Not Seasonally Adjusted

Frequency:

Annual

Notes

Title	Release Dates

Gross Domestic Product by Industry: Private Industries: Professional and Business Services: Professional, Scientific, and Technical Services for Illinois	2016-06-14	2021-06-21
Gross Domestic Product: Professional, Scientific, and Technical Services (NAICS 54) in Illinois	2021-06-22	2023-09-28
Gross Domestic Product: Professional, Scientific, and Technical Services (54) in Illinois	2023-09-29	2026-09-30

Source

U.S. Bureau of Economic Analysis	2016-06-14	2026-09-30

Release

Gross Domestic Product (GDP) by State	2016-06-14	2021-02-15
Gross Domestic Product by State	2021-02-16	2026-09-30

Units

Millions of Dollars	2016-06-14	2026-09-30

Frequency

Annual	2016-06-14	2026-09-30

Seasonal Adjustment

Not Seasonally Adjusted	2016-06-14	2026-09-30

Notes

For more information about this release go to http://www.bea.gov/newsreleases/regional/gdp_state/qgsp_newsrelease.htm.	2016-06-14	2021-06-21
Information about this release can be found here (https://www.bea.gov/data/gdp/gdp-state). For information about BEA industries and other regional definitions, visit their Regional Economic Accounts: Regional Definitions website (https://www.bea.gov/data/gdp/gdp-state).	2021-06-22	2023-09-28
Information about this release can be found here (https://www.bea.gov/data/gdp/gdp-state). For information about BEA industries and other regional definitions, visit their Regional Economic Accounts: Regional Definitions website (https://apps.bea.gov/regional/definitions/).	2023-09-29	2026-09-30

Gross Domestic Product: Professional, Scientific, and Technical Services (54) in Illinois (ILPROSCITCHNGSP)