The State Legislative Decade - Illinois

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Illinois

Data for Illinois includes 7,372 bills adopted from January 2011 to May 2024. See below for a breakdown by sponsorship and year:

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State legislatures

Legislatures

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2026

State legislative elections (2026) • State legislative special elections (2026) • Primary dates and filing requirements • 2026 Session Dates

2025

State legislative elections (2025) • State legislative special elections (2025) • Primary dates and filing requirements • 2025 Session Dates

Historical elections

2024 • 2023 • 2022 • 2021 • 2020 • 2019 • 2018 • 2017 • 2016 • 2015 • 2014 • 2013 • 2012 • 2011 • 2010 • 2009 • 2008 • 2007 • 2006 • 2005 • 2004 • 2003 • 2002 • 2001 • 2000

Features of state legislatures

How vacancies are filled in state legislatures • States with a full-time legislature • State legislatures with term limits • Comparison of state legislative salaries • When state legislators assume office after a general election • Population represented by state legislators • State constitutional articles governing state legislatures • State legislative sessions • Resign-to-run law • State legislature candidate requirements by state • Official names of state legislatures • State legislative chambers that use multi-member districts • Factors Affecting Competitiveness in State Legislative Elections

State senates

Length of terms of state senators • State senators • Partisan composition of state senates • State senators sorted by year first elected

State houses

Length of terms of state representatives • State representatives • Partisan composition of state houses • State representatives sorted by year first elected

Leadership positions

President of the Senate • President Pro Tempore • Senate Majority Leader • Senate Minority Leader • House Majority Leader • House Minority Leader • State Speaker of the House

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