2026 Illinois House of Representatives election – District 42Nov 3, 2026IncumbentMargaret DeLaRosa DemocraticGeneral electionNovember 3, 2026Margaret A. Delarosa DemocratStephanie W. Trussell RepublicanPrimariesDemocratic primaryResults 15,964 votes✓Margaret A. Delarosa58.9% 9,396Lynn LaPlante41.1% 6,568Republican primaryResults 5,259 votes✓Stephanie W. TrussellUnopposed
