Iowa Code 66.2 – Jurisdiction

The jurisdiction of the proceeding provided for in this chapter shall be as follows:

1. As to state officers whose offices are located at the seat of government, the district court of Polk county.

Jurisdiction: (1) The legal authority of a court to hear and decide a case. Concurrent jurisdiction exists when two courts have simultaneous responsibility for the same case. (2) The geographic area over which the court has authority to decide cases.
state: when applied to the different parts of the United States, includes the District of Columbia and the territories, and the words "United States" may include the said district and territories. See Iowa Code 4.1

2. As to state officers whose duties are confined to a district within the state, the district court of any county within such district.

3. As to county, municipal, or other officers, the district court of the county in which such officers’ duties are to be performed.