U.S. RepresentativeVote for 1 Lauren UnderwoodDemocratic, IncumbentJim MarterRepublicanCompare these candidatesName missing or wrong? Tell usBallot listing (secondary source; official list not yet read): ballotpedia.org CompareLauren UnderwoodJim Marter withLauren UnderwoodJim Marter Show side by side All Illinois races