Library

This page provides access to resources pertaining to the Illinois General Assembly and state government operations.

Roster of Illinois Legislators

Information pertaining to the Illinois Legislature as well as the Executive Branch.

Learn More  

Catalog of State Assistance to Local Governments

Describes state programs providing financial and technical assistance to counties, municipalities and special districts.

Learn More  

Illinois Tax Handbook

Provides information on every significant Illinois state tax. Each is described in a separate section … Learn More  

1970 Illinois Constitution Annotated

Includes the current text of the 1970 … Learn More  

County Data Book

This reference book collects in one place the major demographic, economic, and political statistics for … Learn More  

How a Bill Becomes Law in Illinois

Simplified flowchart illustrating the process by which a bill becomes a law in Illinois.

Learn More  

Legislative Glossary

Legislative language can be confusing and complex. The following glossary of terms may help you … Learn More