The lowest level of government is the Peasmarsh parish council. The parish council is responsible for local amenities such as the provision of litter bins, bus shelters and allotments. They also provide a voice into the district council meetings. The parish council comprises nine councillors with elections being held every four years. The May 2007 election was uncontested. Rother District council provides the next level of government with services such as refuse collection, planning consent, leisure amenities and council tax collection. Peasmarsh lies within the Rother Levels ward, which provides two councillors. The May 2007 election returned two Conservatives councillors. East Sussex county council is the third tier of government, providing education, libraries and highway maintenance. Peasmarsh falls within the Northern Rother ward. Peter Jones, Conservative, was elected in the May 2005 election with 49.7% of the vote. The UK Parliament constituency for Peasmarsh is Bexhill and Battle.
Gregory Barker was re-elected in the May 2005 election, and the current Member of Parliament is
Huw Merriman, a member of the Conservative Party. Prior to
Brexit in 2020, Peasmarsh was part of the
South East England constituency in the
European Parliament. ==Notable residents==