The County Board budget is established according to the State of Illinois Counties Code and the Winnebago County Board budget policy 2018-CR-044.

• 2025 REVISED Proposed Budget Book
• 2024 Budget Book
• 2023 Budget Book
• 2022 Budget Book
• 2021 Budget Book
• 2020 Budget Book
• 2019 Budget Book
• 2018 Budget Book
• 2017 Budget Book
• 2016 Budget Book
• 2015 Budget Book
• 2014 Budget Book
• 2013 Budget Book