104th Illinois General Assembly

104th Illinois General Assembly
← 103rd 105th →
The Illinois State Capitol in 2020
Overview
Meeting place	Springfield, Illinois
Term	2025 – 2027
Election	2024
Website	Official site
Illinois Senate
President	Don Harmon, Democrat
Illinois House of Representatives
Speaker	Emanuel Welch, Democrat

The 104th Illinois General Assembly, consisting of the Illinois House and Illinois Senate, convened on January 8, 2025 ^[1] and will adjourn in 2027.

The membership of the 104th General Assembly was decided by the 2024 elections.

Senate

Party composition

Map of 2024 Illinois Senate election results

23 out of 59 seats were up for election in the 2024 Illinois Senate election. None of those seats changed party, and three new senators were elected. ^[2]

Affiliation	Members
Democratic Party	40
Republican Party	19
Total	59

House

Party composition

Map of 2024 Illinois House election results.

The House of the 104th General Assembly consists of 40 Republicans and 78 Democrats. ^[3] The party composition reflected the results of the 2024 election, in which seven new representatives were elected and no seats changed parties. ^[4]

Affiliation	Members
Democratic Party	78
Republican Party	40
Total	118

See also

• List of Illinois state legislatures

References

1. "2025 Spring Session Calendar" (PDF). Illinois House of Representatives. Retrieved May 1, 2025.
2. "2024 GENERAL ELECTION". Illinois State Board of Elections . Retrieved May 1, 2025.
3. "Illinois State Representatives: 104th General Assembly". Illinois General Assembly. Retrieved May 1, 2025.
4. "2024 Illinois House election results". Politico. April 9, 2025. Retrieved May 1, 2025.