State of Illinois

The government of Illinois, under the Constitution of Illinois, has three branches of government: executive, legislative and judicial. The executive branch is split into several statewide elected offices, with the Governor as chief executive, and has numerous departments, agencies, boards and commissions. Legislative functions are granted to the General Assembly, composed of the 118-member House of Representatives and the 59-member Senate. The judiciary is composed of the Supreme Court and lower courts.

The government of Illinois has numerous departments, agencies, boards and commissions, but the code departments, so called because they're established by the Civil Administrative Code of Illinois, provide most of the state's services:

• Department on Aging
• Department of Agriculture
• Department of Central Management Services
• Department of Children and Family Services
• Department of Commerce and Economic Opportunity
• Department of Corrections
• Department of Employment Security
• Department of Financial and Professional Regulation
• Department of Healthcare and Family Services
• Department of Human Rights
• Department of Human Services
• Department of Juvenile Justice
• Department of Labor
• Department of the Lottery
• Department of Natural Resources
• Department of Public Health
• Department of Revenue
• Department of State Police
• Department of Transportation
• Department of Veterans' Affairs