Primary results

2026 Senate, House, and statewide primaries from Decision Desk HQ.

Race

✓Zach Lahn
38.0%80,407
Zach Lahn, 38.0%, race called, leading
Randy Feenstra
37.2%78,763
Randy Feenstra, 37.2%, trailing
Adam Steen
14.5%30,676
Adam Steen, 14.5%, trailing
Brad Sherman
6.9%14,669
Brad Sherman, 6.9%, trailing
Eddie Andrews
3.4%7,264
Eddie Andrews, 3.4%, trailing

All primaries

Race	Reporting	Leader	Gap	Status
DEM PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Jones · 167,751	—	Uncontested
REP PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Naig · 139,657	—	Uncontested
DEM PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Willems · 168,157	—	Uncontested
REP PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Bird · 138,657	—	Uncontested
DEM PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Wettach · 168,704	—	Uncontested
REP PRIMARY as of Jul 20, 2026, 2:35 PM EDT · DDHQ · unofficial	Reporting100.0%	✓Cournoyer 54.1%	Maas · −8.2 pts	✓Called
DEM PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Sand · 180,629	—	Uncontested
REP PRIMARY as of Jul 20, 2026, 2:51 PM EDT · DDHQ · unofficial	Reporting100.0%	✓Lahn 38.0%	Feenstra · −0.8 pts	✓Called
DEM PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Peterman · 168,994	—	Uncontested
REP PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Pate · 140,639	—	Uncontested
DEM PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Norwood · 168,219	—	Uncontested
REP PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Smith · 132,558	—	Uncontested
DEM PRIMARY as of Jul 20, 2026, 2:59 PM EDT · DDHQ · unofficial	Reporting100.0%	✓Bohannan 81.5%	Terrell · −62.9 pts	✓Called
REP PRIMARY as of Jul 20, 2026, 3:05 PM EDT · DDHQ · unofficial	Reporting100.0%	✓Miller-Meeks 71.6%	Pautsch · −43.2 pts	✓Called
DEM PRIMARY as of Jul 20, 2026, 3:10 PM EDT · DDHQ · unofficial	Reporting100.0%	✓James 57.8%	Twedt-Ball · −33.8 pts	✓Called
REP PRIMARY as of Jul 20, 2026, 3:08 PM EDT · DDHQ · unofficial	Reporting100.0%	✓Mitchell 61.5%	McClintock · −23.1 pts	✓Called
DEM PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Garriott · 50,317	—	Uncontested
REP PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓Nunn · 38,229	—	Uncontested
DEM PRIMARY as of Jul 13, 2026, 11:48 AM EDT · DDHQ · unofficial	Reporting100.0%	✓Dawson 39.1%	Steiner · −8.5 pts	✓Called
REP PRIMARY as of Jun 2, 2026, 10:36 PM EDT · DDHQ · unofficial	Unopposed	✓McGowan · 27,606	—	Uncontested
DEM PRIMARY as of Jul 20, 2026, 2:52 PM EDT · DDHQ · unofficial	Reporting100.0%	✓Turek 62.7%	Wahls · −25.3 pts	✓Called
REP PRIMARY as of Jul 20, 2026, 2:50 PM EDT · DDHQ · unofficial	Reporting100.0%	✓Hinson 74.2%	Carlin · −48.4 pts	✓Called

Primary results

Iowa Governor

All primaries

Iowa Governor

All primaries