The universities below are Iowa State's 29 peers in the Integrated Postsecondary Education Data System. The list includes the 2023 revised set of 10 peer institutions, the seven institutions removed from the previous peers list and 12 additional Research I institutions.
- Michigan State University, East Lansing
- North Carolina State University, Raleigh
- Purdue University, West Lafayette
- Colorado State University, Fort Collins
- Kansas State University, Manhattan
- Oklahoma State University, Stillwater
- Oregon State University, Corvallis
- University of Missouri, Columbia
- University of Nebraska, Lincoln
- Virginia Polytechnic and State University, Blacksburg
- Ohio State University, Columbus
- Pennsylvania State University, Happy Valley
- Texas A&M University, College Station
- University of California, Davis
- University of Illinois, Champaign
- University of Minnesota, Minneapolis
- University of Wisconsin, Madison
- University of Arizona, Tucson
- Arizona State University, Tempe
- State University of New York, Buffalo
- University of Clemson
- University of Georgia, Athens
- University of Kentucky, Lexington
- Louisiana State University, Baton Rouge
- University of Maryland, College Park
- University of Tennessee, Knoxville
- Texas Tech University, Lubbock
- Washington State University, Pullman
- West Virginia University, Morgantown
