2009 Iowa Code
Title 2 - Elections and Official Duties
Subtitle 1 - Elections
CHAPTER 40 - CONGRESSIONAL DISTRICTS
40.1 - CONGRESSIONAL DISTRICTS.

        40.1  CONGRESSIONAL DISTRICTS.
         The state of Iowa is hereby organized and divided into five
      congressional districts, which shall be composed, respectively, of
      the following counties:
         1.  The first district shall consist of the counties of Butler,
      Bremer, Fayette, Clayton, Black Hawk, Buchanan, Delaware, Dubuque,
      Jones, Jackson, Clinton, and Scott.
         2.  The second district shall consist of the counties of Linn,
      Johnson, Cedar, Washington, Louisa, Muscatine, Wapello, Jefferson,
      Henry, Des Moines, Wayne, Appanoose, Davis, Van Buren, and Lee.
         3.  The third district shall consist of the counties of Grundy,
      Tama, Benton, Polk, Jasper, Poweshiek, Iowa, Marion, Mahaska, Keokuk,
      Lucas, and Monroe.
         4.  The fourth district shall consist of the counties of Emmet,
      Kossuth, Winnebago, Worth, Mitchell, Howard, Winneshiek, Allamakee,
      Palo Alto, Hancock, Cerro Gordo, Floyd, Chickasaw, Pocahontas,
      Humboldt, Wright, Franklin, Calhoun, Webster, Hamilton, Hardin,
      Greene, Boone, Story, Marshall, Dallas, Madison, and Warren.
         5.  The fifth district shall consist of the counties of Lyon,
      Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena
      Vista, Woodbury, Ida, Sac, Monona, Crawford, Carroll, Harrison,
      Shelby, Audubon, Guthrie, Pottawattamie, Cass, Adair, Mills,
      Montgomery, Adams, Union, Clarke, Fremont, Page, Taylor, Ringgold,
      and Decatur.  

         Section History: Early Form

         [C27, 31, 35, § 526-a1; C39, § 526.1; C46, 50, 54, 58, 62, 66,
      71, 73, 75, 77, 79, 81, § 40.1; 81 Acts 2d Ex, ch 1, § 1] 

         Section History: Recent Form

         91 Acts, ch 223, §1; 2001 Acts, 1st Ex, ch 1, §1, 6
         Constitutional provision, Iowa Constitution, Art. III, § 37