The 1908 Iowa Senate elections took place as part of the biennial 1908 United States elections. Iowa voters elected state senators in 29 of the senate's 50 districts. State senators serve four-year terms in the Iowa Senate. A statewide map of the 50 state Senate districts in the 1908 elections is provided by the Iowa General Assembly here. Following the previous election, Republicans had control of the Iowa Senate with 36 seats to Democrats' 14 seats. To claim control of the chamber from Republicans, the Democrats needed to net 12 Senate seats.