Because of population changes, the state's House delegation will shrink from 34 members to 31 this year.
And every incumbent in the House delegation won easy re-election.
Democrats had a 4-to-2 advantage in the House delegation.
Still, Democrats hold a majority in the House delegation, six to four.
Democrats had a 5-to-4 edge in the House delegation.
Her victory gave the Democrats a majority of the state's House delegation for the first time in over half a century.
Currently, he is the most senior member of Illinois's House delegation.
Neighboring California's two senators are female, as is nearly a third of that state's House delegation.
The other three Democrats in the state's 13-member House delegation disagreed more often.
And the Republicans maintained their 2-to-1 advantage in the state's House delegation.