Jeff Lamberti Republican Jack Kibbie & Jeff Lamberti[1] Democratic & Republican, respectively The 2004 Iowa State Senate elections took place as part of the biennial 2004 United States elections.

[3] On election day in November 2004, Republicans had control of the Iowa state Senate with 29 seats.

To take control of the chamber from Republicans, the Democrats needed to net 5 Senate seats.

The result of the 2004 election was an evenly-divided Iowa state Senate with Democrats netting 4 flips and the resulting balance being 25 seats held both by Democrats and Republicans.

As a result, Jeff Lamberti and Jack Kibbie were deemed co-Senate Presidents for the Republican & Democratic halves, respectively.