Modern Family prominently features Mitch and Cam, a gay couple, as beloved main characters. Their relationship is depicted with warmth, humor, and complexity, showcasing their journey through adoption, marriage, and family life. The show consistently affirms their love and identity, normalizing LGBTQ+ relationships within a mainstream family context and portraying them with dignity and respect.

Modern Family features a transgender child character, Tom, whose portrayal is handled with sensitivity. The narrative focuses on the adult characters' journey from initial discomfort to acceptance, promoting understanding and normalizing transgender identity within a family context. The net impact is affirming.

The show portrays Christianity primarily as a cultural and traditional backdrop for the Dunphy and Pritchett families, often aligning with virtues like family unity, forgiveness, and love. While characters' personal quirks or humorous situations may arise from their faith, the narrative does not critique the religion itself.