The Upland Lemon Festival is one of Southern California's largest community festivals, transforming downtown Upland into a celebration of the region's citrus heritage with live music, carnival attractions, food vendors, and artisan markets. The three-day festival draws over 120,000 attendees, centered on lemon-themed treats and entertainment stages. The audience is broad and family-driven, drawing families, young professionals, and lifestyle consumers from across Southern California who come for food, entertainment, and community experiences. Sponsors get experiential activations, product sampling, branded experiences, and on-site marketing across high-traffic festival zones, stage sponsorships, and vendor areas, plus digital promotion reaching a following of 20,000+. It's a strong fit for brands seeking a massive, family-oriented Southern California audience.