Margaret Croke is an American Democratic politician who has served in the Illinois House of Representatives for the 12th District, based in Chicago and covering Lakeview East, Lincoln Park, Old Town, and Gold Coast, since January 2021. Before her election, she was Deputy Chief of Staff at the Illinois Department of Commerce and Economic Opportunity and worked on Governor JB Pritzker's transition team, having previously served as statewide Women's Outreach Director for his 2018 gubernatorial campaign. She is the Democratic nominee in the 2026 Illinois Comptroller election.