Burnham-on-Sea and Highbridge is a civil parish in Somerset, England. It has a population of 19,576. The parish contains the towns Burnham-on-Sea and Highbridge, which share a town council. Burnham-on-Sea urban district was created in 1894. In 1933 it annexed Highbridge urban district. This combined urban district became a civil parish in 1974 under the Local Government Act 1972.