Iowa Code § 303.47: Election.

1. Each registered voter residing within the proposed district may cast a ballot at the election and a person shall not vote in any precinct but that of the person’s residence. Ballots at the election shall be in substantially the following form:

For Land Use District

Against Land Use District

2. The election shall be conducted in the manner provided by law for general elections and the ballots so cast shall be issued, received, returned, and canvassed in the same manner and by the same officers, in the county whose board of supervisors is vested with jurisdiction of the proceedings, as provided by law in the case of ballots cast for county officers, except as modified by this chapter. The board of supervisors shall cause a statement of the result of the election to be spread upon the records of the county auditor. If a majority of the votes cast upon the question of incorporation of the proposed district is in favor of the proposed district, the proposed district becomes an organized district under this chapter.