There are 50 seats in the Iowa Senate, representing 50 single-member districts across the state of Iowa with populations of approximately 60,927 per constituency, as of the 2010 United States census[update].

The Senate meets at the Iowa State Capitol in Des Moines.

Terms are staggered so that half the Senate is up for reelection every two years.

The President of the Senate presides over the body, whose powers include referring bills to committees, recognizing members during debate, and making procedural rulings.

The President of the Senate is Republican Amy Sinclair of the 12th District.