Peterhead is a town in Aberdeenshire, Scotland. It is the council area's largest settlement, with a population of 19,060 at the 2022 Census. I…Peterhead is a town in Aberdeenshire, Scotland. It is the council area's largest settlement, with a population of 19,060 at the 2022 Census. It is the largest fishing port in the United Kingdom for total landings by UK vessels, according to a 2019 survey.