The 2020 elections for the Illinois House of Representatives were held on Tuesday, November 3, 2020, to elect representatives from all 118 districts. The primary election occurred on March 17, 2020. The winners of this election are currently serving in the 102nd General Assembly, with seats apportioned among the states based on the 2010 United States census. The Democratic Party has held a House majority since 1997. The inauguration of the 102nd General Assembly occurred on Wednesday January 13, 2021.
The elections for the Illinois Fair Tax, United States President, Illinois United States Senator, Illinois's 18 congressional districts, and the Illinois Senate were held on this date.
The Republican Party needed to flip control of 16 seats to earn a majority in the Illinois House. The Republican Party flipped 4 seats and the Democratic Party flipped 3 seats, resulting in a net gain of one additional seat for the Republicans. The Democratic Party retained their supermajority after this election.
Predictions
Results
Close races
District index
Districts 1–25
District 1
The 1st district has been represented by Democrat Aaron Ortiz since January 9, 2019. Ortiz was unopposed in his first election in 2018. Ortiz faced Alicia Martinez, a worker with Brackenbox, Inc. and a former staffer for Alderman Edward M. Burke. After winning the nomination, Ortiz faced no other ballot-listed candidates in the general election.
Endorsements
Results
District 2
The 2nd district includes all or parts of the Chicago neighborhoods of Armour Square, Bridgeport, Brighton Park, Lower West Side, McKinley Park, Near South Side, Near West Side, and New City. The district has been represented by Democrat Theresa Mah since January 11, 2017. Mah was re-elected unopposed in the 2018 election. Mah faced two primary challengers on March 17, 2020: Kenneth M. Kozlar, a retired research technician and Bobby Martinez Olson, an attorney. After winning the nomination, Mah faced no ballot-listed candidates in the general election.
Endorsements
Results
District 3
The 3rd district includes parts of Elmwood Park, as well as all or parts of the Chicago neighborhoods of Austin, Belmont Cragin, Dunning, Hermosa, Logan Square, Montclare, and Portage Park. The district had been represented by Democrat Luis Arroyo since his appointment in December 2006. Arroyo was re-elected unopposed in the 2018 election. Arroyo would resign from his seat on November 1, 2019 after he was arrested a week prior for a federal bribery charge and "just hours before a legislative committee was set to consider his ouster from the General Assembly." Eva-Dina Delgado was appointed to his seat on November 15, 2019. Her appointment came under contentious fire from Illinois House Speaker Michael Madigan after proxy votes from former representative Arroyo were used to select Delgado as his replacement. Delgado faced primary challenger Nidia Carranza, a bilingual Pre-K teacher, on March 17, 2020. After winning the nomination, Delgado faced no ballot-listed candidates in the general election.
Endorsements
Results
District 4
The 4th district includes parts of the Chicago neighborhoods of Hermosa, Humboldt Park, Logan Square, and West Town. Ramirez was elected with 99.98% of the vote in 2018. The district has been represented by Democrat Delia Ramirez since January 9, 2019. Ramirez faced no other ballot-listed candidates in the general election.
Endorsements
Results
District 5
The 5th district includes parts of the Chicago neighborhoods of Armour Square, Avalon Park, Douglas, Englewood, Fuller Park, Grand Boulevard, Greater Grand Crossing, Loop, Near North Side, Near South Side, South Shore, Washington Park, and Woodlawn. The district has been represented by Democrat Lamont Robinson since January 9, 2019. Robinson was unopposed in his first election in 2018. Robinson faced no other ballot-listed candidates in the general election.
District 6
The 6th district includes parts of the Chicago neighborhoods of Armour Square, Bridgeport, Chicago Lawn, Douglas, Englewood, Fuller Park, Grand Boulevard, Greater Grand Crossing, Loop, Near North Side, Near South Side, Near West Side, New City, and West Englewood. The district has been represented by Democrat Sonya Harper since her appointment in October 2015. Harper was re-elected unopposed in the 2018 election. Harper faced no other ballot-listed candidates in the general election.