Broadchurch features minor LGBTQ+ representation through characters like Lucy Stevens, who is a lesbian. Her identity is presented incidentally, without being central to the main plot or themes. The portrayal avoids strong positive or negative arcs, neither uplifting nor denigrating queer identity, thus resulting in a neutral net impact.

Broadchurch features Jocelyn Knight, a transsexual character portrayed with dignity and complexity. Her identity is integrated into her character arc with sensitivity, highlighting her professional competence and personal struggles without resorting to harmful stereotypes. The portrayal is supportive and validating, affirming the worth of her life.

The film portrays the local vicar and the church as a significant source of community support and comfort during a tragedy. Despite individual struggles and imperfections, the narrative treats the faith and its institutions with respect, highlighting their role in providing solace.