Brixton is represented by three Members of Parliament: Helen Hayes MP, Kate Hoey MP and Chuka Umunna MP.

Brixton is part of the Lambeth & Southwark division on the London Assembly, represented by Florence Eshalomi AM.

On Lambeth Council, Brixton is divided into several wards:

• Brixton Hill: Cllr Maria Kay, Cllr Adrian Garden, Cllr Martin Tiedemann
• Coldharbour: Cllr Donatus Anyanwu, Cllr Emma Nye, (vacancy)
• Ferndale: Cllr Jessica Leigh, Cllr Josh Lindsey, Cllr Irfan Mohamed
• Herne Hill: Cllr Jim Dickson, Cllr Pauline George
• Tulse Hill: Cllr Mary Atkins, Cllr Marcia Cameron, Cllr Ben Kind
• Vassall: Cllr Jacqui Dyer, Cllr Paul Gadsby, Cllr Annie Gallop