The One Hundred Twenty-fifth Ohio General Assembly was the legislative body of the state of Ohio in 2003 and 2004. In this General Assembly, both the Ohio Senate and the Ohio House of Representatives were controlled by the Republican Party. In the Senate, there were 22 Republicans and 11 Democrats. In the House, there were 63 Republicans and 36 Democrats. It is also the first General Assembly to use redistricted legislative districts after the 2000 Census.