Firle Parish Council's electoral boundary lies almost solely within the South Downs National Park, nestled under the foothills of the South Downs Way.
The electoral roll of Firle Parish Council is made up of 251 people who are represented by five parish councillors. Firle Parish Council lies within the Ouse Valley and Ringmer Ward of Lewes District Council, being part of East Sussex County Council and the UK Parliamentary constituency of Lewes.