Villanueva is running for re-election in the March 17, 2026 Democratic primary. As a progressive champion for immigrant rights and social equity, she represents a heavily Latino district covering Little Village, Pilsen, Bridgeport, Brighton Park, Chinatown, Back of the Yards, and Cicero.
Villanueva ran unopposed in the 2022 general election after winning her primary with 68.7% of the vote. She was first appointed to the Illinois House in 2018, then moved to the Senate in 2020. Her 12th District is one of the most Latino-dense state senate districts in Illinois.
Key dates to watch: Primary on March 17, 2026 and General Election on November 3, 2026.