103rd Illinois General Assembly


The 103rd Illinois General Assembly, consisting of the Illinois House and Illinois Senate, convened on January 11, 2023, and adjourned sine die on January 7, 2025.
The membership of the 103rd General Assembly was decided by the 2022 elections. The election resulted in the Democratic supermajority losing one seat in the Senate to the Republican party and gaining five seats in the House of Representatives.

Senate

Party composition

All of the Senate's 59 members were up for election in the 2022 Illinois Senate election. Two seats in the Senate changed hands from the Democratic to the Republican party, and one seat changed hands from the Republican party to the Democratic party.
AffiliationMembers
Democratic Party40
Republican Party19
Total59

House

Party composition

The House of the 103rd General Assembly consisted of 40 Republicans and 78 Democrats. The party composition reflected the results of the 2022 election.
AffiliationMembers
Democratic Party78
Republican Party40
Total118