Iowa's 1st congressional district is a congressional district in the U.S. state of Iowa that covers its southeastern part, bordering the states of Illinois and Missouri, and the Mississippi River.

The district includes the cities of Davenport, Iowa City, Burlington, and Indianola.

Republican Mariannette Miller-Meeks is the current U.S. representative.

With a Cook Partisan Voting Index rating of R+3, it is one of the least Republican districts in Iowa, a state with an all-Republican congressional delegation.

[2] The 1st includes the entirety of the following counties:[3] Ashley Hinson(Marion)