Statewide Banking Activity

Overview

The Office of the Illinois Treasurer is responsible for receiving, safeguarding, and managing the State’s public funds. This includes ensuring sufficient liquidity to meet the State’s obligations and investing available funds in authorized investment vehicles.

To carry out these responsibilities, the Treasurer’s Office maintains accounts with financial institutions that support core banking and treasury operations, including check clearing, lockbox services, ACH transactions, depository and custodial services, and electronic payment processing on behalf of the State.

In fiscal year 2025, the Treasurer’s Office processed approximately $256 billion in receipts and $253 billion in expenditures, helping ensure the secure and efficient movement of public funds across State government.