See Iowa election results and maps for the 2026 primaries.

Voters head to the polls on June 2, 2026.

Both parties are picking candidates in the races to replace the Republican senator Joni Ernst and the Republican governor Kim Reynolds.

The winners will compete in November’s critical midterm elections, in which Iowa’s U.S. Senate and House seats could determine control of the narrowly divided chambers.

See California election results and maps for the 2026 primaries.

See New Jersey election results and maps for the 2026 primaries.

See Iowa election results and maps for the 2026 primaries.

See Montana election results and maps for the 2026 primaries.

See New Mexico election results and maps for the 2026 primaries.

See South Dakota election results and maps for the 2026 primaries.