Iowa Code § 40.1
This is the official text of Iowa Code § 40.1, part of Iowa’s Code — part of the compiled statutory law of Iowa, published by the state as "Code." Browse the sections below, each linked to its official government source.
Not legal advice. This page reproduces the official text of a government statute for reference only. Laws change, and how a statute applies depends on your specific facts. For advice about your situation, consult a licensed attorney in your state.
Congressional districts.
Official statutory text
The state of Iowa is hereby organized and divided into four congressional districts, which shall be composed, respectively, of the following counties:
(1) The first district shall consist of the counties of Cedar, Clinton, Des Moines, Henry, Iowa, Jackson, Jasper, Jefferson, Johnson, Jones, Keokuk, Lee, Louisa, Mahaska, Marion, Muscatine, Scott, Van Buren, Warren, and Washington.
(2) The second district shall consist of the counties of Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo, Chickasaw, Clayton, Delaware, Dubuque, Fayette, Floyd, Grundy, Hardin, Howard, Linn, Mitchell, Poweshiek, Tama, Winneshiek, and Worth.
(3) The third district shall consist of the counties of Adair, Adams, Appanoose, Cass, Clarke, Dallas, Davis, Decatur, Greene, Guthrie, Lucas, Madison, Monroe, Montgomery, Page, Polk, Ringgold, Taylor, Union, Wapello, and Wayne.
(4) The fourth district shall consist of the counties of Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford, Dickinson, Emmet, Franklin, Fremont, Hamilton, Hancock, Harrison, Humboldt, Ida, Kossuth, Lyon, Marshall, Mills, Monona, O’Brien, Osceola, Palo Alto, Plymouth, Pocahontas, Pottawattamie, Sac, Shelby, Sioux, Story, Webster, Winnebago, Woodbury, and Wright.
[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]91 Acts, ch 223, §1; 2001 Acts, 1st Ex, ch 1, §1, 62011 Acts, ch 76, §1, 6; 2021 Acts, 2nd Ex, ch 2, §1, 6
(1) The first district shall consist of the counties of Cedar, Clinton, Des Moines, Henry, Iowa, Jackson, Jasper, Jefferson, Johnson, Jones, Keokuk, Lee, Louisa, Mahaska, Marion, Muscatine, Scott, Van Buren, Warren, and Washington.
(2) The second district shall consist of the counties of Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo, Chickasaw, Clayton, Delaware, Dubuque, Fayette, Floyd, Grundy, Hardin, Howard, Linn, Mitchell, Poweshiek, Tama, Winneshiek, and Worth.
(3) The third district shall consist of the counties of Adair, Adams, Appanoose, Cass, Clarke, Dallas, Davis, Decatur, Greene, Guthrie, Lucas, Madison, Monroe, Montgomery, Page, Polk, Ringgold, Taylor, Union, Wapello, and Wayne.
(4) The fourth district shall consist of the counties of Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford, Dickinson, Emmet, Franklin, Fremont, Hamilton, Hancock, Harrison, Humboldt, Ida, Kossuth, Lyon, Marshall, Mills, Monona, O’Brien, Osceola, Palo Alto, Plymouth, Pocahontas, Pottawattamie, Sac, Shelby, Sioux, Story, Webster, Winnebago, Woodbury, and Wright.
[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]91 Acts, ch 223, §1; 2001 Acts, 1st Ex, ch 1, §1, 62011 Acts, ch 76, §1, 6; 2021 Acts, 2nd Ex, ch 2, §1, 6
Status: in_force · Read it on the official government site
Need a lawyer in Iowa?
Find a Iowa lawyer
About this page: Statute text is reproduced from official government publishers via the
Open US Law dataset
(Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine
(Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.