Iowa District Court Jurisdictions

 U.S. District and Other Courts in Iowa 1845-1981  U.S. District Court for the Northern District
 * Eastern Division (Dubuque)
 * Central Division (Fort Dodge)
 * Western Division (Sioux City)
 * Cedar Rapids Division
 * Records of the U.S. Circuit Court for the Northern District
 * Eastern Division (Dubuque)
 * Central Division (Fort Dodge)
 * Western Division (Sioux City)
 * Cedar Rapids Division
 * Records of the U.S. District Court for the Southern District
 * Eastern Division (Keokuk)
 * Central Division (Des Moines
 * Middle Division (Iowa City)
 * Southern Division (Creston)
 * Southern Division (Burlington)
 * Western Division (Council Bluffs)
 * Davenport Division
 * Ottumwa Division
 * Records of the U.S. Circuit Court for the Southern District
 * Eastern Division (Keokuk)
 * Central Division (Des Moines)
 * Southern Division (Creston)
 * Western Division (Council Bluffs)
 * Davenport Division
 * Ottumwa Division

FamilySearch Historical Record Collections
 * United States, Iowa Naturalization Records, 1859-1990