Iowa State Senate · 2026 general · 25 of 50 seats up

Republicans keep a majority in the Iowa State Senate

Democrats hold 17 seats and Republicans 32, with 1 still being counted; 26 make a majority. 2 seats changed party.

26 for a majorityBefore the electionD 17R 32Now, so farD 17R 32

1 seat flipped to Democrats1 to Republicans1 still uncalled

Seats not up in this election count with their holders. Source: Results and race calls: Iowa Secretary of State (unofficial)Updated Nov 7, 2026, 3:01 PM ET

2Seats flipped1 to Democrats, 1 to Republicans

1Incumbents defeatedIn the general election

9Open seatsNo incumbent on the ballot

6Uncontested seats4 Democratic, 2 Republican

4Decided by under 5 pointsCalled and uncalled

D +13.7Median swingContested districts, from the last race on the same lines

Source: Results and race calls: Iowa Secretary of State (unofficial)Updated Nov 7, 2026, 3:01 PM ET

Every race, by how close it was

All 24 races by the winner’s margin, D − R. The shaded band holds the 4 races decided by under 5 points. Ringed dots flipped; amber dots are still being counted. The 6 seats won without an opponent sit at the ends.