Bio
Lupe Castillo is a community activist from Little Village (40 years) and perennial Republican candidate in the heavily Democratic IL-04 district. She is the sole Republican candidate in the IL-04 primary. She has run twice against Chuy Garcia (2022: 28.1%, 2024: 27.3%). Born in San Antonio; Spanish is her first language; associate degree from Washburne Community Trade School. Trump-aligned platform. (Source: Ballotpedia 2024 survey; ILSOS filing confirmed)
Prior office: Candidate for IL-04 (2022, 2024); Candidate for IL House District 23 (withdrew 2024)