Iowa Code
Chapter 39 - ELECTIONS, ELECTORS, APPOINTMENTS, TERMS, AND OFFICERS
Section 39.1 - General election.

39.1 General election.
The general election shall be held throughout the state on the first Tuesday after the first Monday in November of each even-numbered year.
[C51, §239; R60, §459; C73, §573; C97, §1057; S13, §1057-a; C24, 27, 31, 35, 39, §504; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §39.1]
Iowa Constitution, Art. II, §7